Climate and monthly weather forecastSeosan, South Korea
Climate and monthly weather forecast
Weather in January
January, like December, in Seosan, South Korea, is an icy winter month, with an average temperature fluctuating between -1°C (30.2°F) and 2.7°C (36.9°F). January, marked by an average high-temperature of 2.7°C (36.9°F) and a low-temperature of -1°C (30.2°F), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Seosan, South Korea, with an average temperature fluctuating between 0.5°C (32.9°F) and 4.3°C (39.7°F). Seosan indicates an average high-temperature of a still icy 4.3°C (39.7°F) in February, showing minor variation from January's 2.7°C (36.9°F). Weather in February »Weather in March
March, the first month of the spring in Seosan, is a frosty month, with an average temperature fluctuating between 3.8°C (38.8°F) and 8.2°C (46.8°F). A slight uplift of average high-temperatures is noted in March, with temperatures adjusting from an icy 4.3°C (39.7°F) in February to a frosty 8.2°C (46.8°F). Weather in March »Weather in April
April in Seosan, South Korea, is a fresh spring month, with temperature in the range of an average high of 12.8°C (55°F) and an average low of 8.2°C (46.8°F). A gentle upsurge in temperatures occurs as March gives way to April, with average highs shifting from a frosty 8.2°C (46.8°F) to a fresh 12.8°C (55°F). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Seosan, South Korea, with temperature in the range of an average high of 18.3°C (64.9°F) and an average low of 13°C (55.4°F). As Seosan transitions into May, the average high-temperature is observed to rise from a fresh 12.8°C (55°F) in April to a refreshing 18.3°C (64.9°F). Weather in May »Weather in June
June, the first month of the summer in Seosan, is an agreeable month, with an average temperature varying between 18.3°C (64.9°F) and 22.8°C (73°F). Entering June, Seosan notices a subtle temperature elevation, with the average high-temperature advancing from May's refreshing 18.3°C (64.9°F) to an agreeable 22.8°C (73°F). Weather in June »Weather in July
July in Seosan, South Korea, is a moderately hot summer month, with temperature in the range of an average low of 21.8°C (71.2°F) and an average high of 25.6°C (78.1°F). Seosan's average high-temperature marks a moderately hot 25.6°C (78.1°F) with the advent of July, closely mirroring that of the preceding month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Seosan, South Korea, with an average temperature fluctuating between 27.3°C (81.1°F) and 23.4°C (74.1°F). In Seosan, August records the highest average temperatures, peaking at 27.3°C (81.1°F) and reaching a low of 23.4°C (74.1°F). August's heat index is computed to be a hot 31°C (87.8°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Seosan, South Korea, with an average temperature fluctuating between 19.5°C (67.1°F) and 23.6°C (74.5°F). With the onset of September, Seosan's climate undergoes a slight change as the average high-temperature moves from 27.3°C (81.1°F) in August to a still moderately hot 23.6°C (74.5°F). Weather in September »Weather in October
October, the same as September, is another comfortable autumn month in Seosan, South Korea, with an average temperature varying between 14.2°C (57.6°F) and 18.5°C (65.3°F). With the onset of October, Seosan experiences a modest temperature adjustment, with the average high-temperature receding from a warm 23.6°C (74.5°F) in September to a refreshing 18.5°C (65.3°F). Weather in October »Weather in November
November, the last month of the autumn in Seosan, is another cool month, with an average temperature fluctuating between 8.1°C (46.6°F) and 12°C (53.6°F). The onset of November entails a temperature shift, as the average high-temperature decreases from an enjoyable 18.5°C (65.3°F) in October to a cool 12°C (53.6°F). Weather in November »Weather in December
December, the first month of the winter in Seosan, is also an icy month, with an average temperature fluctuating between 4.9°C (40.8°F) and 1.2°C (34.2°F). Seosan's transition into December involves a shift in temperature, receding from a fresh 12°C (53.6°F) in November to an icy 4.9°C (40.8°F). Weather in December »Updated: Jan 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
January, on average, is the coldest month, registering a high temperature of 2.7°C (36.9°F) and a low of -1°C (30.2°F).
January is the month with the least rainfall in Seosan. Rain falls for 5.3 days and accumulates 19mm (0.75") of precipitation.
In Seosan, during the entire year, the rain falls for 123 days and collects up to 754mm (29.69") of precipitation.
January through March, November and December are months with snowfall in Seosan.
Throughout the year, there are 22.9 snowfall days, and 93mm (3.66") of snow is accumulated.
The months with the lowest UV index in Seosan, South Korea, are January, February and December, with an average maximum UV index of 2.
February is the least humid month in Seosan, with an average relative humidity of 64%.
April through October are months without snowfall in Seosan, South Korea.
With an average of 14h and 36min of daylight, June has the longest days of the year in Seosan, South Korea.
With an average of 10.2h of sunshine, June has the most sunshine of the year in Seosan, South Korea.
The most humid month in Seosan, South Korea, is July, with an average relative humidity of 86%.
The month with the most rainfall in Seosan, South Korea, is July, when the rain falls for 19.1 days and typically aggregates up to 170mm (6.69") of precipitation.
July through September, with an average maximum UV index of 6, are months with the highest UV index.
With its average high temperature of 27.3°C (81.1°F) and a low of 23.4°C (74.1°F), August is regarded as the warmest month in Seosan, South Korea.
The month with the most snowfall is December, when snow falls for 7.7 days and typically aggregates up to 40mm (1.57") of snow.
The month with the shortest days in Seosan, South Korea, is December, with an average of 9h and 42min of daylight.
Seosan does not utilize Daylight Saving Time (DST). KST timezone is used throughout the entire year.
With an average of 4.8h of sunshine, December has the least sunshine of the year in Seosan.
Average temperature
Seosan, South Korea
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (2.7°C).
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (-1°C).
Average pressure
Seosan, South Korea
- Average pressure in January:
1025.7mbar - Average pressure in February:
1024mbar - Average pressure in March:
1020.2mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1011.6mbar - Average pressure in June:
1007.7mbar
- Average pressure in July:
1006.9mbar - Average pressure in August:
1008.2mbar - Average pressure in September:
1013.9mbar - Average pressure in October:
1019.4mbar - Average pressure in November:
1022.5mbar - Average pressure in December:
1024.7mbar
The month with the highest atmospheric pressure is January (1025.7mbar).
The month with the lowest atmospheric pressure is July (1006.9mbar).
Average wind speed
Seosan, South Korea
- Average wind speed in January:
17.7km/h - Average wind speed in February:
16.5km/h - Average wind speed in March:
17km/h - Average wind speed in April:
14.8km/h - Average wind speed in May:
13.2km/h - Average wind speed in June:
10.4km/h
- Average wind speed in July:
13km/h - Average wind speed in August:
12.7km/h - Average wind speed in September:
12.2km/h - Average wind speed in October:
14.5km/h - Average wind speed in November:
17km/h - Average wind speed in December:
19.3km/h
The windiest month (with the highest average wind speed) is December (19.3km/h).
The calmest month (with the lowest average wind speed) is June (10.4km/h).
Average humidity
Seosan, South Korea
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is February (64%).
Average rainfall
Seosan, South Korea
The wettest month (with the highest rainfall) is July (170mm).
The driest month (with the least rainfall) is January (19mm).
Average rainfall days
Seosan, South Korea
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
8 days - Average rainfall days in April:
9.7 days - Average rainfall days in May:
8.8 days - Average rainfall days in June:
10.5 days
- Average rainfall days in July:
19.1 days - Average rainfall days in August:
18.3 days - Average rainfall days in September:
9.4 days - Average rainfall days in October:
7.7 days - Average rainfall days in November:
11.4 days - Average rainfall days in December:
9.5 days
The month with the highest number of rainy days is July (19.1 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall
Seosan, South Korea
The month with the highest snowfall is December (40mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Seosan, South Korea
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
3.6 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0 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 days - Average snowfall days in December:
7.7 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Seosan, South Korea
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 24min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 12min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
7h and 12min - Average sunshine in March:
8h and 12min - Average sunshine in April:
8h and 42min - Average sunshine in May:
10h and 6min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
8h and 24min - Average sunshine in August:
9h and 30min - Average sunshine in September:
8h and 24min - Average sunshine in October:
7h and 24min - Average sunshine in November:
5h and 42min - Average sunshine in December:
4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days
Seosan, South Korea
- Average sunshine days in January:
15.7 days - Average sunshine days in February:
18.4 days - Average sunshine days in March:
21.7 days - Average sunshine days in April:
19.3 days - Average sunshine days in May:
21.1 days - Average sunshine days in June:
17.4 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
10.3 days - Average sunshine days in September:
18.5 days - Average sunshine days in October:
21.8 days - Average sunshine days in November:
14.5 days - Average sunshine days in December:
11.6 days
The month with the most sunshine days is October (21.8 days).
The months with the least sunshine days are July and August (10.3 days).
Average UV index
Seosan, South Korea
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Seosan, South Korea
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility
Seosan, South Korea
The months with the highest visibility are February, March, April, May, June, September, October and November (10km).
The months with the lowest visibility are January, July, August and December (9km).
