Climate and monthly weather forecast
Gangneung, South Korea

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The climate of Gangneung

Gangneung is a city in South Korea subjected to the Humid continental climate as per the Köppen climate classification, specifically the Dfb type. This denotes no dry season and warm summer. The city enjoys a diverse palette of weather patterns, all cause by its diciate geographical position.

Upon analyzing the average data for the climate in Gangneung, it becomes clear that the temperatures fluctuate considerably throughout the year. High temperatures range from a chilling 1°C (33.8°F) in January to a warm 25.8°C (78.4°F) in August. The lowest temperatures swing between a chilly negative -4.6°C (23.7°F) in January to a rather comfortable 20.5°C (68.9°F) in August. Therefore, the city experiences a variation of temperatures over the year, from biting cold to pleasantly warm.

Rainfall, humidity and snowfall in Gangneung also shift significantly during the year. Rainfall spikes in the summer months, reaching its peak in July with 148mm (5.83"). The least rainfall is in January and February at approximately 25mm (0.98"). On the other hand, humidity is fairly consistent across the year, with the lowest percentages in January at 62% and the highest in July at 85%. Gangneung experiences snowfall only during the winter months, particularly from December to February, and absolutely no snowfall from May to September.

Gangneung also experiences alternation in daylight hours and sunshine duration throughout the year. The shortest daylight hours being in December at 9.6 hours and the longest in June at 14.7 hours, while the duration of sunshine varies between 6 hours in December and January to 10.4 hours in May. Wind speed in Gangneung is partially steady, with the lowest average speed recorded at 9.5km/h (5.9mph) in June and the highest average speed of 16.5km/h (10.3mph) in December.

The best time to visit Gangneung

Considering the above weather features, the most pleasant time to visit Gangneung would be from May to June. During these months, weather conditions are quite favorable. The high temperatures flit between 18.6°C (65.5°F) and 21.9°C (71.4°F), with relatively lower rainfalls of 37mm (1.46") and 86mm (3.39") in May and June respectively. These months also hold the highest daylight hours and longer periods of sunshine. This time of the year is virtually free from snowfall, enhancing the accessibility and comfort of outdoor activities.

The worst time to visit Gangneung

The most challenging period to navigate Gangneung is potentially during July and August. These months witness extreme climates. Temperature highs soar to above 24°C (75.2°F), coupled with the highest rainfall in the year reaching as high as 148mm (5.83") in July. These months also record the highest humidity levels of 85% and 83%. Visiting Gangneung during these months would mean dealing with high temperatures, heavy rainfall and high humidity, a combination many would find uncomfortable.

Spring weather in Gangneung

Spring in Gangneung is a period of gradual transition. March experiences an average temperature high of 8°C (46.4°F) and a low of 1.5°C (34.7°F), and the city gets regular but moderate rainfall of 31mm (1.22"). As we shift towards April, temperatures rise, reaching a high of 13.2°C (55.8°F) and a low of 6.5°C (43.7°F). Rainfall also increases slightly to 42mm (1.65"), while the city experiences a slight increase in the daylight hours. By May, highs typically reach 18.6°C (65.5°F), with lows of 11.6°C (52.9°F). Rainfall sees a slight drop to 37mm (1.46"), while daylight hours steadily increase to 14.2 hours.

Summer weather in Gangneung

Summer is typically the wettest season in Gangneung. The city experiences its highest rainfall during these months, reaching as high as 148mm (5.83") in July. Average high temperatures are at the maximum during the summer months, reaching 24.8°C (76.6°F) and 25.8°C (78.4°F) in July and August respectively. The lowest temperatures remain quite warm, between 19.3°C (66.7°F) to 20.5°C (68.9°F) from June to August. Humidity also reaches its peak during these months.

Autumn weather in Gangneung

Autumn sees a gradual decrease in temperatures and rainfall. From September to November, the high temperatures drop from 21.4°C (70.5°F) to 10°C (50°F) and the low temperatures plunge from 15.9°C (60.6°F) to 4.6°C (40.3°F). Autumn also brings a decrease in rainfall from a substantial 87mm (3.43") in September to a modest 47mm (1.85") in November. The number of sunshine hours also declines during these months.

Winter weather in Gangneung

Winter in Gangneung is predominantly cold with indications of snow. The highest temperature in December is a chilly 2.9°C (37.2°F) plummeting to 1°C (33.8°F) in January. Low temperatures can hit as low as -4.6°C (23.7°F) in January. This period is the snowiest with 68mm (2.68") of snowfall in December and 79mm (3.11") in January. Despite the cold and snow, these months register the lowest rainfall in the year at 23mm (0.91") and 26mm (1.02") in December and January respectively.

Weather in January

Beginning a new calendar year, Gangneung's weather in January exhibits chilly conditions with the temperature plunging to its annual lowest. Despite this, the city experiences significant snowfall with an average snowfall of 68mm (2.68"), making it ideal for winter sports enthusiasts. Weather in January »

Weather in February

February's weather in Gangneung continues with winter's firm grip, though it begins to show a slight uptick in temperature. With snowfall reducing to 79mm (3.11") from January's high, the city begins to move towards the end of its winter season, thereby warming up the landscape. Weather in February »

Weather in March

March's weather in Gangneung marks the onset of spring, a transitional period between the retreating winter and the fast-approaching summer. Temperatures improve considerably, and the bitter cold gives way to milder low that may hover around 1.5°C (34.7°F). Weather in March »

Weather in April

Weather in Gangneung during April becomes noticeably warmer as spring reaches its peak. The minimum temperatures rise to 6.5°C (43.7°F), reinforcing the transition period to summer. Concurrently, a steady increase in rainfall occurs, resulting in an average of 42mm (1.65") of precipitation. Weather in April »

Weather in May

May's weather in Gangneung exhibits the city's swift progression towards the summer season, with a significant leap in temperatures. The weather becomes more pleasant with temperatures rising to an average high of 18.6°C (65.5°F). Weather in May »

Weather in June

Gangneung's weather in June ushers in the vibrant summer season. Temperatures shoot up, signaling the start of warmer months. Increased humidity, nearing the 80's, signals the peak of the rainy season with an average of 86mm (3.39"). Weather in June »

Weather in July

Weather in Gangneung in July reveals the city in the full swing of summer, with the highest recorded temperature peaking at 24.8°C (76.6°F) - the highest of the year. Alongside the soaring temperatures is an increase in humidity, averagely climbing to 85. Weather in July »

Weather in August

August's weather continues the trend seen in July with its peak summer temperatures in Gangneung. However, a slight dip in average high and low temperatures is noted. The rainfall also decreases, while still remaining relatively high, a characteristic of summer’s typical rainy pattern. Weather in August »

Weather in September

By September, Gangneung's weather starts to transition into fall with temperatures beginning to cool. A significant fall in the average high temperature is observed, yet still maintaining a fairly warm weather condition. In contrast to the high summer rainfall, September sees a drop to 87mm (3.43") of rainfall. Weather in September »

Weather in October

October in Gangneung brings along cooler weather, heralding the advent of autumn. Compared to September, the city observes a noticeable dip in temperatures. The rainfall also begins to descend, marking a transition period to the drier months. Weather in October »

Weather in November

Gangneung's weather in November marks the commencement of the wintery chill. Temperatures experience a significant reduction, falling to an average low of 4.6°C (40.3°F). Notably, the appearance of snow also marks the arrival of winter with a moderate amount of 10mm (0.39") of snowfall noted during the month. Weather in November »

Weather in December

Weather in Gangneung in December sees the full-blown impact of winter. The chill is felt quite strongly with temperatures dropping further. In comparison to November, December witnesses increased snowfall, with the city recording an average snowfall of 40mm (1.57"). Weather in December »
Updated: Jan 31, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are the coldest months in Gangneung?

January, having an average high-temperature of 1°C (33.8°F) and an average low-temperature of -4.6°C (23.7°F), is the coldest month.

What are the least humid months in Gangneung?

The months with the lowest humidity in Gangneung are January and December, with an average relative humidity of 62%.

How much does it rain in Gangneung?

In Gangneung, during the entire year, the rain falls for 127 days and collects up to 755mm (29.72") of precipitation.

When does it snow in Gangneung?

Months with snowfall in Gangneung, South Korea, are January through April, November and December.

How much does it snow in Gangneung?

In Gangneung, during the entire year, snow falls for 17.1 days and aggregates up to 248mm (9.76") of snow.

What are the months with the lowest UV index in Gangneung?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the snowiest month in Gangneung?

The month with the most snowfall is February, when snow falls for 5.6 days and typically aggregates up to 79mm (3.11") of snow.

When is the sea coldest in Gangneung?

March is the month with the coldest seawater, with an average sea temperature of 8.4°C (47.1°F).

When it does not snow in Gangneung?

In Gangneung, South Korea, snow does not fall in May through October.

What month has the most sunshine in Gangneung?

The month with the most sunshine is May, with an average of 10.4h of sunshine.

When are the longest days in Gangneung?

With an average of 14h and 42min of daylight, June has the longest days of the year.

When is the highest UV index in Gangneung?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

What is the most humid month in Gangneung?

With an average relative humidity of 85%, July is the most humid month in Gangneung, South Korea.

What is the rainiest month in Gangneung?

July is the month with the most rainfall in Gangneung, South Korea. Rain falls for 19.9 days and accumulates 148mm (5.83") of precipitation.

What part of the year is the hottest in Gangneung?

With its average high temperature of 25.8°C (78.4°F) and a low of 20.5°C (68.9°F), August is regarded as the warmest month.

What month is the sea warmest in Gangneung?

August is the month with the warmest seawater in Gangneung, South Korea, with an average sea temperature of 24°C (75.2°F).

What is the month with the least sunshine in Gangneung?

November has the least sunshine of the year in Gangneung, with an average of 6h of sunshine.

What is the driest month in Gangneung?

December is the month with the least rainfall. Rain falls for 5.8 days and accumulates 23mm (0.91") of precipitation.

What is the month with the shortest days in Gangneung?

With an average of 9h and 36min of daylight, December has the shortest days of the year in Gangneung.

Is there Daylight Saving Time (DST) in Gangneung?

Gangneung, South Korea, does not utilize Daylight Saving Time (DST). KST timezone is used over the entire year.

Average temperature
Gangneung, South Korea

Average temperature - Gangneung, South Korea

The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (1°C).

The month with the highest average low temperature is August (20.5°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).

Average pressure
Gangneung, South Korea

Average pressure - Gangneung, South Korea

The month with the highest atmospheric pressure is January (1023.2mbar).
The month with the lowest atmospheric pressure is July (1007.1mbar).

Average wind speed
Gangneung, South Korea

Average wind speed - Gangneung, South Korea

The windiest month (with the highest average wind speed) is December (16.5km/h).
The calmest month (with the lowest average wind speed) is June (9.5km/h).

Average humidity
Gangneung, South Korea

Average humidity - Gangneung, South Korea

The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January and December (62%).

Average rainfall
Gangneung, South Korea

Average rainfall - Gangneung, South Korea

The wettest month (with the highest rainfall) is July (148mm).
The driest month (with the least rainfall) is December (23mm).

Average rainfall days
Gangneung, South Korea

Average rainfall days - Gangneung, South Korea

The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (4.8 days).

Average snowfall
Gangneung, South Korea

Average snowfall - Gangneung, South Korea

The month with the highest snowfall is February (79mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days
Gangneung, South Korea

Average snowfall days - Gangneung, South Korea

The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature
Gangneung, South Korea

Average sea temperature - Gangneung, South Korea

The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).

Average daylight / Average sunshine
Gangneung, South Korea

Average daylight / Average sunshine - Gangneung, South Korea

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

The month with the most sunshine is May (Average sunshine: 10h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 0min).

Average sunshine days
Gangneung, South Korea

Average sunshine days - Gangneung, South Korea

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (7.1 days).

Average UV index
Gangneung, South Korea

Average UV index - Gangneung, South Korea

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average visibility
Gangneung, South Korea

Average visibility - Gangneung, South Korea

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).

Gangneung, South Korea

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