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Contents
- The climate of Haeju
- The best time to visit Haeju
- The worst time to visit Haeju
- Spring weather in Haeju
- Summer weather in Haeju
- Autumn weather in Haeju
- Winter weather in Haeju
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Haeju
Haeju, a city located in the Southwestern part of North Korea, experiences a Humid continental climate, identified by the Köppen climate classification as Dwa. This classification is characterized by a severe dry winter and a hot summer. Throughout the year, the city deals with significant temperature swings, average humidity close to 67%, varying wind speeds averaging around 12.1 KPH, and rainfall mostly concentrated in the summer months.
The city's temperature matrix varies quite a deal as the yearly journey progresses. High temperatures are registered from -0.3°C (31.5°F) in January and peak at 28°C (82.4°F) in August. On the other hand, the lowest temperatures oscillate between -5.9°C (21.4°F) in January and 21°C (69.8°F) in August. Relative humidity, ranging from 58% in March to 85% in July, implies a damp environment for the most part of the year, especially during monsoon season.
Rainfall reaches its zenith with 144mm (5.67") in July and dips to a minimum of 10mm (0.39") in January. Conspicuously, July and August record the maximum rainfall days, 17.8 and 17 respectively. Snowfall is experienced mostly in the winter months with the highest measurements observed in January with 23mm (0.91") of snow, and December not far behind with 27mm (1.06"). Furthermore, the average wind speed exhibits minor fluctuations with the maximum recorded at 14 KPH in March and the minimum at 9.5 KPH in June.
The city's temperature matrix varies quite a deal as the yearly journey progresses. High temperatures are registered from -0.3°C (31.5°F) in January and peak at 28°C (82.4°F) in August. On the other hand, the lowest temperatures oscillate between -5.9°C (21.4°F) in January and 21°C (69.8°F) in August. Relative humidity, ranging from 58% in March to 85% in July, implies a damp environment for the most part of the year, especially during monsoon season.
Rainfall reaches its zenith with 144mm (5.67") in July and dips to a minimum of 10mm (0.39") in January. Conspicuously, July and August record the maximum rainfall days, 17.8 and 17 respectively. Snowfall is experienced mostly in the winter months with the highest measurements observed in January with 23mm (0.91") of snow, and December not far behind with 27mm (1.06"). Furthermore, the average wind speed exhibits minor fluctuations with the maximum recorded at 14 KPH in March and the minimum at 9.5 KPH in June.
The best time to visit Haeju
To enjoy Haeju's most agreeable weather, the ideal period is between May and September. During this time, the city boasts a moderate temperature range from 20.8°C (69.4°F) to 28°C (82.4°F), coupled with abundant daylight hours, peaking at 14.8 in June. Though there is substantial rainfall in the summer months, the hours of sunshine outweigh the dampness, ranging from 9.9 hours per day in May, peaking at 10.1 in June, and decreasing slightly to 9.7 in September.
The worst time to visit Haeju
Winter in Haeju, mainly from December to February, exhibits severe cold with the average high temperatures dipping to -0.3°C (31.5°F) in January and the lowest recorded at -5.9°C (21.4°F). The city also sees substantial snowfall, reaching 27mm (1.06") in December and 23mm (0.91") in January. The average daylight hours are relatively short, from 9.6 to 10.8. Thus, travelers are advised to avoid this frigid season due to the harsh and unfavorable weather conditions.
Spring weather in Haeju
Starting in March and lasting till May, the spring in Haeju witnesses a significant rise in temperatures from 8.6°C (47.5°F) to 20.8°C (69.4°F). Rainfall is moderate and increases gradually from 17mm (0.67") in March to 46mm (1.81") in May. The average daylight hours also increase from 12 to 14.2, accompanying the increase in temperature.
Summer weather in Haeju
From June to August, Haeju experiences its warmest and wettest climate. Average high temperature goes from 24.9°C (76.8°F) in June up to 28°C (82.4°F) in August, while the lowest hovers around 16.8°C (62.2°F). The city receives ample daylight in summer, with the highest point being in June at 14.8 hours. However, precipitation also spikes during this period, peaking at 144mm (5.67") in July.
Autumn weather in Haeju
Autumn sets in from September till November. The temperature starts to drop from a high of 23.8°C (74.8°F) in September to a chilly 10.2°C (50.4°F) by November. Rainfall decreases significantly from 65mm (2.56") in September to 33mm (1.3") in November, and daylight hours decrease from 12.4 to 10.1 during the same period.
Winter weather in Haeju
Winter in Haeju is rigorous with average high temperatures ranging from 1.9°C (35.4°F) in December, going down to -0.3°C (31.5°F) in January, before rising to a still chilly 2.7°C (36.9°F) in February. Snowfall is predominant in December and January with 27mm (1.06") and 23mm (0.91") respectively. Daylight is on the lower end, ranging from 9.6 to 10.8 hours.
Weather in January
January in Haeju, North Korea, is characterized by cold temperatures, causing a little challenge as people adapt from the comparatively mild December weather. Weather conditions often involve snow, making it a winter wonderland suitable for snow games and activities. Weather in January »
Weather in February
February weather in Haeju is not remarkably different from the cold January weather conditions. The freezing wind sweeping across the city signals that February is the coldest month. The city endures a long winter period, allowing outdoor activities that thrive in cold weather, like ice fishing and skating. Weather in February »
Weather in March
March weather in Haeju is a welcome shift, signifying the beginning of the end of winter. Temperatures begin to rise gradually, leading to a decrease in snowfall. The longer daylight hours provide more opportunity to enjoy outdoor activities, marking the start of spring. Weather in March »
Weather in April
April weather in Haeju is notably warmer, signaling the fully-fledged arrival of spring. April’s weather enables the enjoyment of outdoor activities without the hindrance of snow or extreme cold. Blossoming flowers add beauty to the city, offering an excellent opportunity for nature enthusiasts to explore. Weather in April »
Weather in May
May weather in Haeju sees the transition from spring to summer. The weather gets decidedly warmer, and rainfall also rises significantly. Longer daylight hours coupled with increased sunshine make for comfortable, energizing days. Families could opt to go picnicking and hiking during this beautiful period. Weather in May »
Weather in June
June ushers in the real summer in Haeju with temperatures getting warmer, rendering the city perfect for summer fun activities like swimming. The average sea temperature is typically warm, encouraging water activities. The month sees the longest daylight hours of the year, contributing to enjoyable, sun-filled days. Weather in June »
Weather in July
July weather in Haeju continues with the warmth of summer, while the rainfall rises significantly from June levels. This month experiences the highest temperatures of the year, providing the perfect weather for summer vacations. Also, it gets quite humid, marking the city’s full transition into a tropical climate. Weather in July »
Weather in August
August weather in Haeju offers the highest average temperature with the vividness of summer in full swing. The sea temperature is typically warmest this month, attracting visitors to the beaches. The rainfall and humidity remain relatively high, continuing the city's tropical aspect. Weather in August »
Weather in September
September presents a shift in Haeju's weather, marking the start of autumn and a moderate decrease in temperatures. The decrease from the extreme summer temperatures sets in a cooler, more comfortable environment. The month sees a drop in rainfall levels and humidity from its August peak. Weather in September »
Weather in October
October weather in Haeju sees the progression of autumn, characterized by moderately cool temperatures. The dramatic drop in rainfall from September makes it a relatively dry month, a stark contrast to the rainy summer months. The humidity also reduces, creating pleasant conditions for outdoor activities. Weather in October »
Weather in November
November sees further cooling in Haeju, signaling winter's approach. Weather conditions become noticeably different with shorter daylight hours, reduced UV index, and increased cloud cover. The month also witnesses a decrease in sea temperature, making water activities less appealing. Weather in November »
Weather in December
December weather in Haeju brings the cold winter temperatures seen in January, closing the year in full circle. It typically marks the return of the snow-filled scenes with a significant increase in snowfall. The reduction in daylight hours enhances the wintry vibe, setting the stage for festive holiday activities. Weather in December »
Updated: Aug 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
Haeju's January weather, with an average high temperature of -0.3°C (31.5°F) and an average low temperature of -5.9°C (21.4°F), tends to be the coldest of the year.
What is the driest month?
January is the month with the least rainfall. Rain falls for 2.4 days and accumulates 10mm (0.39") of precipitation.
How many days does it rain?
Throughout the year, there are 101.6 rainfall days, and 591mm (23.27") of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, November and December.
How many days does it snow?
Throughout the year, there are 15.7 snowfall days, and 89mm (3.5") of snow is accumulated.
What are the months with the lowest UV index?
The months with the lowest UV index in Haeju are January, February, November and December, with an average maximum UV index of 2.
When is the sea coldest?
The month with the coldest seawater is February, with an average sea temperature of 2.3°C (36.1°F).
What is the least humid month?
The months with the lowest humidity are March and April, with an average relative humidity of 58%.
When it does not snow?
May through October are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 14h and 48min of daylight.
What month has the most sunshine?
With an average of 10.1h of sunshine, June has the most sunshine of the year.
What is the most humid month?
With an average relative humidity of 85%, July is the most humid month.
What is the rainiest month?
The month with the most rainfall is July, when the rain falls for 17.8 days and typically aggregates up to 144mm (5.67") of precipitation.
What are the months with the highest UV index?
The months with the highest UV index are July and August, with an average maximum UV index of 6.
What is the warmest month in Haeju?
August, on average, is the warmest month, registering a high temperature of 28°C (82.4°F) and a low of 21°C (69.8°F).
When is the sea warmest?
With an average sea temperature of 22.9°C (73.2°F), August is the month with the warmest seawater.
What are the months with the least sunshine?
The months with the least sunshine are November and December, with an average of 5.5h of sunshine.
When does it snow the most?
December is the month with the most snowfall. Snow falls for 5.8 days and accumulates 27mm (1.06") of snow.
What is the month with the shortest days?
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST)?
Haeju does not observe Daylight Saving Time (DST). KST timezone is used over the entire year.
Average temperature
Haeju, North Korea
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (-0.3°C).
The month with the highest average low temperature is August (21°C).
The coldest month (with the lowest average low temperature) is January (-5.9°C).
Average pressure
Haeju, North Korea
- Average pressure in January:
1025.6mbar - Average pressure in February:
1023.9mbar - Average pressure in March:
1020mbar - Average pressure in April:
1015.4mbar - Average pressure in May:
1011.2mbar - Average pressure in June:
1007.5mbar
- Average pressure in July:
1006.5mbar - Average pressure in August:
1007.9mbar - Average pressure in September:
1014mbar - Average pressure in October:
1019.5mbar - Average pressure in November:
1022.4mbar - Average pressure in December:
1024.5mbar
The month with the highest atmospheric pressure is January (1025.6mbar).
The month with the lowest atmospheric pressure is July (1006.5mbar).
Average wind speed
Haeju, North Korea
- Average wind speed in January:
12.9km/h - Average wind speed in February:
12.9km/h - Average wind speed in March:
14km/h - Average wind speed in April:
12.8km/h - Average wind speed in May:
11.5km/h - Average wind speed in June:
9.5km/h
- Average wind speed in July:
10.4km/h - Average wind speed in August:
9.9km/h - Average wind speed in September:
8.7km/h - Average wind speed in October:
10.8km/h - Average wind speed in November:
12.8km/h - Average wind speed in December:
13.6km/h
The windiest month (with the highest average wind speed) is March (14km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).
Average humidity
Haeju, North Korea
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are March and April (58%).
Average rainfall
Haeju, North Korea
The wettest month (with the highest rainfall) is July (144mm).
The driest month (with the least rainfall) is January (10mm).
Average rainfall days
Haeju, North Korea
- Average rainfall days in January:
2.4 days - Average rainfall days in February:
2.7 days - Average rainfall days in March:
5.6 days - Average rainfall days in April:
7.9 days - Average rainfall days in May:
8.6 days - Average rainfall days in June:
10.5 days
- Average rainfall days in July:
17.8 days - Average rainfall days in August:
17 days - Average rainfall days in September:
8.3 days - Average rainfall days in October:
6 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
5.4 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (2.4 days).
Average snowfall
Haeju, North Korea
The month with the highest snowfall is December (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Haeju, North Korea
- Average snowfall days in January:
5 days - Average snowfall days in February:
2.5 days - Average snowfall days in March:
1.2 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1.1 days - Average snowfall days in December:
5.8 days
The month with the highest number of snowfall days is December (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Haeju, North Korea
The best month for swimming (with the highest average sea temperature) is August (22.9°C).
The coldest month (with the lowest average sea temperature) is February (2.3°C).
Average daylight / Average sunshine
Haeju, North Korea
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 1min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
5h and 5min - Average sunshine in February:
6h and 1min - Average sunshine in March:
8h and 3min - Average sunshine in April:
9h and 4min - Average sunshine in May:
9h and 5min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
7h and 4min - Average sunshine in August:
9h and 1min - Average sunshine in September:
9h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 3min - Average sunshine in December:
5h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The months with the least sunshine are November and December (Average sunshine: 5h and 30min).
Average sunshine days
Haeju, North Korea
- Average sunshine days in January:
24.8 days - Average sunshine days in February:
23.7 days - Average sunshine days in March:
23.7 days - Average sunshine days in April:
21.1 days - Average sunshine days in May:
21.2 days - Average sunshine days in June:
17.4 days
- Average sunshine days in July:
10.4 days - Average sunshine days in August:
10.2 days - Average sunshine days in September:
18.7 days - Average sunshine days in October:
24 days - Average sunshine days in November:
18.1 days - Average sunshine days in December:
20.8 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is August (10.2 days).
Average UV index
Haeju, North Korea
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Haeju, North Korea
The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility
Haeju, North Korea
The months with the highest visibility are January, February, March, April, May, October, November and December (10km).
The month with the lowest visibility is July (8km).
