Climate Insights for Wonsan

Wonsan-si, Kangwon, North Korea

Hottest
August
27°C peak81°F peak
Coldest
January
-5°C low22°F low
Wettest
August
288 mm rain11.3 in rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Wonsan is temperate. The average annual temperature is 12°C and approximately 1,411 mm of precipitation falls per year. August is the wettest month, receiving around 288 mm of rainfall. Wonsan is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, December, February, when temperatures can drop to -5°C. Snowfall occurs from January to December, with around 84cm accumulating over the season.The climate in Wonsan is temperate. The average annual temperature is 53°F and approximately 55.6 in of precipitation falls per year. August is the wettest month, receiving around 11.3 in of rainfall. Wonsan is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, December, February, when temperatures can drop to 22°F. Snowfall occurs from January to December, with around 33in accumulating over the season.

Temperature

-10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 1°Average: -2°Min: -5°FebMax: 3°Average: 0°Min: -3°MarMax: 8°Average: 5°Min: 2°AprMax: 14°Average: 11°Min: 8°MayMax: 19°Average: 16°Min: 13°JunMax: 23°Average: 21°Min: 18°JulMax: 27°Average: 25°Min: 23°AugMax: 27°Average: 25°Min: 23°SepMax: 23°Average: 21°Min: 19°OctMax: 17°Average: 14°Min: 12°NovMax: 11°Average: 7°Min: 5°DecMax: 3°Average: 0°Min: -3°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 34°FAverage: 28°FMin: 22°FFebMax: 37°FAverage: 32°FMin: 27°FMarMax: 47°FAverage: 41°FMin: 36°FAprMax: 57°FAverage: 51°FMin: 46°FMayMax: 67°FAverage: 61°FMin: 55°FJunMax: 74°FAverage: 69°FMin: 65°FJulMax: 80°FAverage: 76°FMin: 73°FAugMax: 81°FAverage: 77°FMin: 74°FSepMax: 73°FAverage: 69°FMin: 65°FOctMax: 63°FAverage: 58°FMin: 53°FNovMax: 51°FAverage: 45°FMin: 40°FDecMax: 37°FAverage: 32°FMin: 26°F
Max
Average
Min

Temperatures in Wonsan vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 27°C and the mean temperature sits around 25°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is -2°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between November and December, with a 8°C shift in average temperatures.Temperatures in Wonsan vary considerably across the year, with a 59°F difference between the coldest and warmest months. The warmest month is August, when average highs reach 81°F and the mean temperature sits around 77°F. The coldest month is January, when overnight lows fall to 22°F and the daily average is 28°F. Daily temperature variation is modest, with an average difference of 10°F between highs and lows. The sharpest temperature change occurs between November and December, with a 14°F shift in average temperatures.

Precipitation

0mm50mm100mm150mm200mm250mm300mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 26mmSnow: 16mmFebPrecipitation: 37mmSnow: 24mmMarPrecipitation: 56mmSnow: 21mmAprPrecipitation: 66mmSnow: 2mmMayPrecipitation: 109mmSnow: 0mmJunPrecipitation: 127mmSnow: 0mmJulPrecipitation: 256mmSnow: 0mmAugPrecipitation: 288mmSnow: 0mmSepPrecipitation: 198mmSnow: 0mmOctPrecipitation: 143mmSnow: 0mmNovPrecipitation: 69mmSnow: 3mmDecPrecipitation: 37mmSnow: 20mm
Precipitation
Snow
0in2in4in6in8in10in12inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 1inSnow (in): 6inFebPrecipitation: 1.5inSnow (in): 9inMarPrecipitation: 2.2inSnow (in): 8inAprPrecipitation: 2.6inSnow (in): 1inMayPrecipitation: 4.3inSnow (in): 0inJunPrecipitation: 5inSnow (in): 0inJulPrecipitation: 10.1inSnow (in): 0inAugPrecipitation: 11.3inSnow (in): 0inSepPrecipitation: 7.8inSnow (in): 0inOctPrecipitation: 5.6inSnow (in): 0inNovPrecipitation: 2.7inSnow (in): 1inDecPrecipitation: 1.4inSnow (in): 8in
Precipitation
Snow (in)

Wonsan is a fairly wet location, receiving approximately 1,411 mm of precipitation annually, which averages out to around 118 mm per month. The wettest month is August, averaging 288 mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 26 mm. That's 262 mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 84cm accumulating over the season. February typically sees the most snow at around 24cm.Wonsan is a fairly wet location, receiving approximately 55.6 in of precipitation annually, which averages out to around 4.6 in per month. The wettest month is August, averaging 11.3 in of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 1 in. That's 10.3 in less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 33in accumulating over the season. February typically sees the most snow at around 9in.

Wind

0km/h5km/h10km/h15km/h20km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 17km/hFebWind Speed: 16km/hMarWind Speed: 13km/hAprWind Speed: 13km/hMayWind Speed: 13km/hJunWind Speed: 11km/hJulWind Speed: 10km/hAugWind Speed: 10km/hSepWind Speed: 11km/hOctWind Speed: 12km/hNovWind Speed: 16km/hDecWind Speed: 19km/h
Wind Speed
0mph5mph10mph15mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 11mphFebWind Speed: 10mphMarWind Speed: 8mphAprWind Speed: 8mphMayWind Speed: 8mphJunWind Speed: 7mphJulWind Speed: 6mphAugWind Speed: 7mphSepWind Speed: 7mphOctWind Speed: 8mphNovWind Speed: 10mphDecWind Speed: 12mph
Wind Speed

Wonsan is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 17km/h in winter, 13km/h in spring, 11km/h in summer, 13km/h in autumn.Wonsan is moderately windy, with an average annual wind speed of 8mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is December, averaging 12mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 11mph in winter, 8mph in spring, 7mph in summer, 8mph in autumn.

Monthly Climate Data

The table below shows monthly climate averages for Wonsan based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Wonsan based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-5 °C22 °F
1 °C34 °F
17 km/h11 mph
26 mm1 in
16 cm6 in
Feb
-3 °C27 °F
3 °C37 °F
16 km/h10 mph
37 mm1.5 in
24 cm9 in
Mar
2 °C36 °F
8 °C47 °F
13 km/h8 mph
56 mm2.2 in
21 cm8 in
Apr
8 °C46 °F
14 °C57 °F
13 km/h8 mph
66 mm2.6 in
2 cm1 in
May
13 °C55 °F
19 °C67 °F
13 km/h8 mph
109 mm4.3 in
0 cm0 in
Jun
18 °C65 °F
23 °C74 °F
11 km/h7 mph
127 mm5 in
0 cm0 in
Jul
23 °C73 °F
27 °C80 °F
10 km/h6 mph
256 mm10.1 in
0 cm0 in
Aug
23 °C74 °F
27 °C81 °F
10 km/h7 mph
288 mm11.3 in
0 cm0 in
Sep
19 °C65 °F
23 °C73 °F
11 km/h7 mph
198 mm7.8 in
0 cm0 in
OctCurrent
12 °C53 °F
17 °C63 °F
12 km/h8 mph
143 mm5.6 in
0 cm0 in
Nov
5 °C40 °F
11 °C51 °F
16 km/h10 mph
69 mm2.7 in
3 cm1 in
Dec
-3 °C26 °F
3 °C37 °F
19 km/h12 mph
37 mm1.4 in
20 cm8 in