Gangwon-do Climate

Last updated: January 18, 2025

Gangwon-do, South Korea, exhibits a diverse climate characterized by a mix of Koppen-Geiger climate classes, including Cfa, Dwa, Dwb, Dfb, and Dfa. This region experiences significant seasonal temperature variations; January sees chilling lows of -26°C (-14°F), while the peak of summer in August can soar to an impressive 37°C (99°F). The annual average temperature hovers around 11°C (53°F), highlighting the distinct seasonal changes that define the area's climate and contribute to its unique ecological landscape.

Gangwon-do temperature by month

In Gangwon-do, South Korea, seasonal temperature patterns reveal a pronounced shift from the harsh winter months to the warm summer. January and February experience deep freezes, with minimum temperatures plummeting to -26°C (-14°F) and -22°C (-7°F), respectively, while daily averages remain below freezing. As spring arrives in March, temperatures gradually rise, reaching monthly averages of 6°C (43°F), with maximums peaking at 21°C (71°F) by late March. April ushers in milder weather, highlighted by a jump in maximums to 29°C (85°F), paving the way for the warm embrace of summer. The months of May through August are characterized by comfortable to hot temperatures, with averages from 16°C (61°F) in May to 24°C (76°F) in both July and August, culminating in maximum summer highs reaching 37°C (99°F). As autumn sets in, temperatures begin to cool again, with October showing a return to average highs around 13°C (56°F) and November dips to minimums of -11°C (12°F). This cyclical progression showcases Gangwon-do's vibrant climate, transitioning through a distinct rhythm of cold winters and warm summers.

Monthly Temperatures in Gangwon-do, South Korea

The chart illustrates Gangwon-do's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec283143526168757667564431
Data source: Gangwon-do temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

Pyeongchang experiences a minimum temperature of -22°C (-8°F) in December and a maximum of 35°C (95°F) in August, showcasing a distinct seasonal contrast monthly temperatures in Pyeongchang. Similarly, Gangneung records a minimum of -19°C (-3°F) in December and reaches a maximum of 33°C (93°F) in July, reflecting its own seasonal variations monthly temperatures in Gangneung. In Sokcho, the temperature dips to a minimum of -17°C (1°F) in January while peaking at 33°C (92°F) in August, further illustrating the region's diverse climate monthly temperatures in Sokcho.

Precipitation Patterns in Gangwon-do

Gangwon-do, South Korea, experiences a distinct precipitation pattern that varies significantly throughout the year. The winter months of January and February register relatively low precipitation levels, with 30 mm (1.2 in) and 28 mm (1.1 in) respectively, and only a few days of rainfall—3 days in January and 4 in February. As spring unfolds, particularly in March and April, precipitation begins to rise, peaking at 80 mm (3.1 in) in April after a notable increase from 70 mm (2.7 in) in March, accompanied by more rainy days. The transition into late spring and summer sees a substantial uptick in rainfall, particularly from May onwards.

The summer months of July and August are characterized by significant rainfall, with 226 mm (8.9 in) and 239 mm (9.4 in) respectively, contributing to the region's lush landscapes. These months also coincide with the highest number of rainy days, reaching up to 15 days in July and 17 days in August. Following the summer deluge, precipitation decreases in September to 169 mm (6.7 in), and continues to decline through October and November. Ultimately, December marks a return to lower precipitation levels, with just 24 mm (0.9 in) over 3 days, rounding out the year with a return to drier conditions.

Monthly Average Precipitation in Gangwon-do, South Korea

The average monthly precipitation in Gangwon-do, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec3028708010180226239169975024
Data source: Gangwon-do precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Gangwon-do

Gangwon-do, South Korea, showcases a dynamic pattern of sunshine duration that reflects the shifting seasons. The year begins with modest sunshine hours, with January receiving 197 hours of sunlight, which gradually increases to 238 hours in February. As spring blossoms, sunshine duration steadily rises, peaking at 305 hours in May and reaching a maximum of 315 hours in June. This time of year marks the height of brightness in Gangwon-do, with longer days and a consistent presence of the sun, inviting outdoor activities and vibrant flora.

However, as summer transitions to autumn, the total sunshine hours begin to decline. July still holds considerable sunlight with 290 hours, but this drops to 272 hours in August, signaling the shift towards shorter days. By September, sunshine continues its descent to 258 hours, with October showing 252 hours. The trend continues into the winter months, with November recording 233 hours and December slightly increasing again to 238 hours. Overall, this seasonal cycle highlights Gangwon-do's abundant summer sunshine starkly contrasting with the more subdued light of the fall and winter months, underscoring the region's beautiful climatic transitions throughout the year.

Monthly Sunshine in Gangwon-do, South Korea

Monthly sunshine duration represents the total hours of direct sunlight Gangwon-do receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec197h238h274h285h305h315h290h272h258h252h233h238h
Data source: Gangwon-do sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Gangwon-do UV Index Trends

The Ultraviolet (UV) Index in Gangwon-do, South Korea, reveals significant seasonal fluctuations that guide sun safety practices. During the winter months, the UV Index remains relatively low, with readings of 3 in January and December, and 4 in February, classifying the exposure as moderate. As spring approaches, there is a marked escalation in UV radiation; by March, the index rises to 7, categorizing it as high, and further increases to 9 in April. May continues this upward trend, reaching 10, indicating very high UV exposure that necessitates protective measures.

The summer months of June, July, and August present the highest UV levels, with the index peaking at 11 in June and July, and reaching a critical 12 in August, which is classified as extreme. During this period, the recommended burn time is reduced to just 10 minutes, highlighting the need for sunscreen and protective clothing when outdoors. As autumn arrives, the UV Index decreases, with readings of 10 in September and falling back to 7 in October. By November, the index drops to 5, and then back to 3 in December, signaling the return of moderate UV exposure. These trends underscore the importance of monitoring UV levels, particularly during the warmer months, to ensure safe sun exposure.

Monthly Maximum UV Index for Gangwon-do, South Korea

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Gangwon-do. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec34791011111210753
Data source: Gangwon-do UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Daylight Hours in Gangwon-do

In Gangwon-do, South Korea, daylight duration varies significantly throughout the year, impacting daily life and outdoor activities. The year begins in January with 9 hours of daylight, gradually increasing as spring approaches. By February, the duration extends to 10 hours, and March sees a further increase to 11 hours. This upward trend continues notably in April, when daylight hours reach 13 hours, allowing residents to enjoy longer evenings and more time outdoors as nature awakens from winter dormancy.

Moving into the summer months, daylight duration stabilizes at a peak of 14 hours from May to July, providing ample time for various activities, celebrations, and tourism. However, as summer gives way to autumn, the duration begins to decline: August drops to 13 hours, followed by a gradual decrease to 12 hours in September and 11 hours in October. The trend aligns with the arrival of winter, where daylight shortens again to 10 hours in November and back to 9 hours in December. This cyclical pattern highlights the natural rhythm of daylight in Gangwon-do, with longer days characterizing the vibrant summer and shorter days marking the quieter winter months.

Average Monthly Daylight Hours in Gangwon-do, South Korea

This chart shows the total daylight hours Gangwon-do receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec590h645h717h790h852h883h867h813h743h670h607h574h
Data source: Gangwon-do daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Gangwon-do's Popular Destinations

Chuncheon, South Korea experiences a distinct four-season climate characterized by cold winters and warm summers. January temperatures can plummet to a minimum of -24°C (-10°F), while July sees highs reaching 37°C (99°F). Precipitation peaks in the summer months, particularly in July and August, with over 250 mm (10 in) of rain, contributing to its lush landscapes. The city enjoys ample sunshine, particularly from May to June, when daylight hours reach nearly 300. For a detailed overview, visit Chuncheon climate.

The climate in Dongnae, South Korea, exhibits distinct seasonal variations. Winters are quite cold, with January temperatures ranging from -20°C to 12°C and minimal precipitation of about 23 mm. Summers are warm and humid, peaking in July and August when temperatures can reach as high as 37°C, accompanied by significant rainfall averaging over 250 mm. The region enjoys ample sunshine, especially during May and June, with up to 307 hours of sunlight. For more details, visit Dongnae climate.

Gangneung, South Korea experiences distinct seasonal variations, with cold winters and warm summers. January and December witness the lowest temperatures, ranging from -19°C (min) to 9°C (max), while summer months like July and August peak at 33°C. Precipitation is highest during the summer, with July and August averaging around 246 mm, whereas winter months such as January see significantly lower precipitation at 40 mm. Sunshine is abundant from late spring to early summer, peaking in June with 312 hours. For more detailed information, visit Gangneung climate.

Pyeongchang, South Korea, experiences a diverse climate with distinct seasonal variations. Winters (December to February) can be quite harsh, featuring average temperatures around -2°C (29°F) in January and substantial snowfall, while summers (June to August) are warm, with average highs reaching 31°C (89°F) in June. Rainfall peaks during the summer months, with July and August seeing over 200 mm of precipitation, while sunshine hours are abundant, especially from May to June. For more detailed information, visit Pyeongchang climate.

Sokcho, South Korea experiences a diverse climate throughout the year, with winter temperatures dropping as low as -17°C (1°F) in January and milder conditions in summer, peaking at 33°C (92°F) in August. Annual precipitation varies, with July and August receiving the most rainfall, averaging around 219 mm (8.6 in) and 208 mm (8.2 in), respectively. Sunshine hours are abundant from March to June, reaching a peak of 323 hours in June, while the winter months provide fewer sunny days. For detailed climate information, visit Sokcho climate.

Wonju, South Korea experiences a continental climate characterized by cold winters and warm summers. January temperatures can plummet as low as -24°C (-11°F), while July averages around 25°C (77°F), with highs reaching 35°C (95°F). Precipitation peaks in the summer months, particularly in July and August, where it can exceed 250 mm (10 in). The city enjoys ample sunshine, especially in spring and early summer, averaging over 300 hours of sunlight in May and June. For more detailed weather information, visit Wonju climate.

Conclusion

In conclusion, Gangwon-do, South Korea, presents a fascinating interplay of climate, precipitation, sunshine duration, UV index, and daylight patterns throughout the year. The region experiences distinct seasonal changes that influence both weather conditions and outdoor activities, from the harsh winters with low UV exposure and shorter daylight hours to the vibrant summers characterized by longer days, intense sunlight, and heightened UV risks. Understanding these climatic nuances equips residents and visitors alike with essential knowledge for effectively adapting to the environment. As Gangwon-do continues to attract nature lovers and adventure seekers, awareness of these patterns proves invaluable for safe and enjoyable experiences throughout the seasons.

Discover the Climate of Gangwon-do's Places

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