Climate and monthly weather forecast
Haenam-gun, South Korea

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The climate of Haenam-gun

Haenam-gun is located in South Korea and has a predominant Köppen climate classification of Cfa, describing a Humid Subtropical climate with no dry season. This geographical positioning and climate synthesis dictate the weather patterns within this region. The thin line differentiating the seasons arises from the subtleties in the monsoon influences and the temperate oceanic characteristics.

In terms of temperature, the variance is palpable throughout the year. The highest average temperature touches 30.2°C (86.4°F) in August while it dips to a chilling low of -3.2°C (26.2°F) in the month of January. On average, there are wide fluctuations in the yearly temperature register from -3.2°C (26.2°F) in the coldest month to 30.2°C (86.4°F) in the warmest one. As for rainfall, the region experiences an ever-present presence of showers with the wettest month being July with a hefty amount of 247mm (9.72") rainfall. On the contrary, the precipitations recede significantly in December when the rain gauge only measures 28mm (1.1"). Additionally, the average daylight hours show seasonal swings from a low of 9.9 hours in December to a high of 14.4 hours in the longest days of June.

Upon studying the annually distributed data, some unique weather aspects surface. The relative humidity shows subtle differences across the year, with the highest in July at 82.3%, and the lowest in April at 68.5%. The sunshine duration also seems to oscillate between 5.2 hours during the months of January and December to around 7.7 hours in the sun-kissed month of May.

The best time to visit Haenam-gun

Choosing when to visit Haenam-gun should be mostly based on individual preferences for weather conditions. However, the period from May to June could be considered a favorable time for most travelers, with temperatures fairly warm, ranging from 18.4°C (65.1°F) to 26.2°C (79.2°F) during the day and dropping to a mild 11.6°C (52.9°F) to 17.1°C (62.8°F) during the night. Plus, these months offer a good balance between rainfall and sunshine, with average rainfall at 90mm (3.54") in May and 106mm (4.17") in June, and an encouraging 7.7 hours of sunshine in May and 6.6 hours in June.

The worst time to visit Haenam-gun

The months to mainly avoid would arguably be July and August due to the intensified heat and heavy rainfall. With temperatures soaring to a sizzling 30.2°C (86.4°F) in August and the region being hit by downpours, amounting to 247mm (9.72") in July and 249mm (9.8") in August, these conditions could hamper outdoor activities and sightseeing.

Spring weather in Haenam-gun

Spring in Haenam-gun, spanning from March to May, encapsulates the gradual rise in temperatures and increases in daylight hours. March starts with mild temperatures ranging from -2.4°C (27.7°F) to 12.4°C (54.3°F) and ends with May reaching from 11.6°C (52.9°F) to 22.9°C (73.2°F). Rainfall during this season is relatively modest, with 73mm (2.87") in March and 90mm (3.54") in May, and the average daylight hours grow from 12 hours in March to 14 hours in May.

Summer weather in Haenam-gun

Summer, from June to August, indicates the advent of hotter temperatures and increased humidity in Haenam-gun. The period begins with temperatures posting between 17.1°C (62.8°F) and 26.2°C (79.2°F) in June and peaking at the scorching highs of 22.1°C (71.8°F) to 30.2°C (86.4°F) in August. This season also bears witness to the bulk of the rainfall involving 200mm (7.87") in June, surging upwards to 249mm (9.8") in August.

Autumn weather in Haenam-gun

Autumn signifies the descent of temperatures and reduced rainfall from September to November. The fall season witnesses temperatures between 16.6°C (61.9°F) and 26.8°C (80.2°F), which taper down to between 3.3°C (37.9°F) and 15.2°C (59.4°F) by November. Rainfall also slides from 164mm (6.46") in September to just 47mm (1.85") by November signifying drier conditions.

Winter weather in Haenam-gun

The winter months of December through February, bring colder temperatures and a lower chance of rainfall in Haenam-gun. The thermometer postings fall between -1.6°C (29.1°F) and 9°C (48.2°F) in December to between -3.2°C (26.2°F) and 6.1°C (43°F) in January. The rainfall figures also retreat to 28mm (1.1") in December and stay fairly constant at 33mm (1.3") in January. It's essential to note the decreased daylight during winter, dropping to 9.9 hours in December recovering slightly to 10.1 hours in January.

Weather in January

January experiences the chill of winter, with temperatures reaching a low of -3.2°C (26.2°F). Haenam-gun's cityscape transforms into a silvery-white panorama due to overnight frosts. Outdoor activities require warm clothing, yet the clear skies with abundant sunshine hours can make daytime explorations enjoyable. Weather in January »

Weather in February

February warms up slightly from the preceding month, yet the lingering cold is still palpable in Haenam-gun. Activity in the local ecosystem starts to increase, and early flowering plants begin their bloom. With a rise in temperature to a maximum of 8°C (46.4°F), snowfall becomes less frequent which takes away from the stark winter look but brings a promise of the approaching spring. Weather in February »

Weather in March

In Haenam-gun, March denotes a transition from the chilly winters to the comforting beginning of spring. An increase in temperature up to 12.4°C (54.3°F) contributes to the thawing of the frozen landscapes, fostering a rejuvenating energy across the city. Weather in March »

Weather in April

April marks the full arrival of spring in Haenam-gun, allowing the city to bask in the vibrant charm of blooming petals. With the onset of warmer days, outdoor festivities gain momentum, and the city dons a festive spirit. Nature trails turn into treasured escapades as the maximum temperature peaks up to 18.4°C (65.1°F). Weather in April »

Weather in May

In Haenam-gun, the month of May brings the relative warmth of the pre-summer phase. The cityscape undergoes another transformation from the refreshing green of spring to tantalizing hues of early summer. Night-time temperatures noticeably rise up to an average of 11.6°C (52.9°F), indicating the imminent arrival of summer. Weather in May »

Weather in June

June in Haenam-gun ushers in the early phase of summer, distinctly recognizable due to the increase in heat and daylight hours. Maximum temperatures reach up to 26.2°C (79.2°F). Occasional heat waves may be experienced, warranting necessary precautions for outdoor adventures. Weather in June »

Weather in July

July showcases the peak of South Korean summer in Haenam-gun, with an observable increase in humidity. The city's forested areas appear lusher, basking in the peak rainfall of 247mm (9.72"). Encountering a heatwave becomes more likely with temperatures soaring to a maximum of 28.7°C (83.7°F). Weather in July »

Weather in August

August in Haenam-gun is the zenith of the summer season, witnessing the highest average temperatures at a scorching 30.2°C (86.4°F). Local cuisine with refreshing elements becomes popular, offering a respite from the heat. The monsoon trend continues with heavy bouts of rainfall, making it the wettest month of the year with a record 249mm (9.8") of precipitation. Weather in August »

Weather in September

September in Haenam-gun signals the onset of early autumn. The heat of summer retreats, paving the way for cooler evening temperatures that average at 16.6°C (61.9°F). Preparations for the fall festivities may commence, while the local vegetation begins the transformation into its seasonal hues. Weather in September »

Weather in October

October in Haenam-gun brings the magnificence of full autumn, widely celebrated in South Korea. The ubiquity of the striking fall foliage makes every outing picturesque. Outdoor excursions become extremely popular, Mr. Sherbino recommends layers to comfortably adjust with the increasingly cold nights. Weather in October »

Weather in November

The arrival of November in Haenam-gun ushers in the pre-winter chill, with temperatures dipping to an average low of 3.3°C (37.9°F). While the last remnants of fall color can still be seen, winter preparations begin in full swing. Weather in November »

Weather in December

December in Haenam-gun witnesses the advent of winter, characterized by short days and long, chilly nights. Flurries become a common sight, turning the city into a winter wonderland. The average low dips further to -1.6°C (29.1°F), marking it as the coldest month of the year. Weather in December »
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Frequently asked questions

What is the coldest time of year in Haenam-gun?

January brings the lowest temperatures in Haenam-gun, with an average high of 6.1°C (43°F) and an average low of -3.2°C (26.2°F).

How much does it rain in Haenam-gun?

In Haenam-gun, during the entire year, the rain falls for 110.1 days and collects up to 1325mm (52.17") of precipitation.

What is the month with the least sunshine in Haenam-gun?

January and December, with an average of 5.2h of sunshine, are months with the least sunshine in Haenam-gun.

What is the least humid month in Haenam-gun?

April is the least humid month in Haenam-gun, South Korea, with an average relative humidity of 68.5%.

What month has the most sunshine in Haenam-gun?

With an average of 7.7h of sunshine, May has the most sunshine of the year in Haenam-gun, South Korea.

When are the longest days in Haenam-gun?

The month with the longest days in Haenam-gun, South Korea, is June, with an average of 14h and 24min of daylight.

What is the most humid month in Haenam-gun?

The most humid month in Haenam-gun, South Korea, is July, with an average relative humidity of 82.3%.

What part of the year is the hottest in Haenam-gun?

August, with its average high-temperature of 30.2°C (86.4°F) and an average low-temperature of 22.1°C (71.8°F), holds the record as the warmest month in Haenam-gun, South Korea.

What is the rainiest month in Haenam-gun?

The month with the most rainfall is August, when the rain falls for 12 days and typically aggregates up to 249mm (9.8") of precipitation.

What is the driest month in Haenam-gun?

December is the month with the least rainfall in Haenam-gun. Rain falls for 8.1 days and accumulates 28mm (1.1") of precipitation.

What is the month with the shortest days in Haenam-gun?

With an average of 9h and 54min of daylight, December has the shortest days of the year in Haenam-gun, South Korea.

Is there Daylight Saving Time (DST) in Haenam-gun?

Haenam-gun does not utilize Daylight Saving Time (DST). KST timezone is used over the entire year.

Average temperature
Haenam-gun, South Korea

Average temperature - Haenam-gun, South Korea

The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (6.1°C).

The month with the highest average low temperature is August (22.1°C).
The coldest month (with the lowest average low temperature) is January (-3.2°C).

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Average humidity
Haenam-gun, South Korea

Average humidity - Haenam-gun, South Korea

The month with the highest relative humidity is July (82.3%).
The month with the lowest relative humidity is April (68.5%).

[Resources]

Average rainfall
Haenam-gun, South Korea

Average rainfall - Haenam-gun, South Korea

The wettest month (with the highest rainfall) is August (248.5mm).
The driest month (with the least rainfall) is December (28.1mm).

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Average rainfall days
Haenam-gun, South Korea

Average rainfall days - Haenam-gun, South Korea

The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is October (5.8 days).

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Average daylight / Average sunshine
Haenam-gun, South Korea

Average daylight / Average sunshine - Haenam-gun, South Korea

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The month with the most sunshine is May (Average sunshine: 7h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 12min).

[Resources]

Haenam-gun, South Korea

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