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Haeju, North Korea climate
Cwa Monsoon-influenced humid subtropical
Haeju has a strongly seasonal cool-temperate climate (Monsoon-influenced humid subtropical, Köppen Cwa). The hottest month is August with an average daily high near 29°C, while the coldest is January averaging around −7°C at night. Precipitation totals about 1028 mm a year and is strongly seasonal — July alone averages 305 mm while January barely receives 10 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Haeju climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 1 | 4 | 10 | 16 | 22 | 26 | 27 | 29 | 26 | 20 | 11 | 3 |
| Avg temp (°C) | −3 | −1 | 5 | 11 | 17 | 21 | 24 | 25 | 21 | 15 | 7 | −1 |
| Avg low (°C) | −7 | −5 | 0 | 6 | 12 | 17 | 21 | 22 | 17 | 9 | 2 | −5 |
| Precipitation (mm) | 10 | 19 | 25 | 50 | 105 | 105 | 305 | 244 | 83 | 36 | 33 | 12 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 1 | 4 | 10 | 16 | 22 | 26 |
| Avg temp (°C) | −3 | −1 | 5 | 11 | 17 | 21 |
| Avg low (°C) | −7 | −5 | 0 | 6 | 12 | 17 |
| Precipitation (mm) | 10 | 19 | 25 | 50 | 105 | 105 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 29 | 26 | 20 | 11 | 3 |
| Avg temp (°C) | 24 | 25 | 21 | 15 | 7 | −1 |
| Avg low (°C) | 21 | 22 | 17 | 9 | 2 | −5 |
| Precipitation (mm) | 305 | 244 | 83 | 36 | 33 | 12 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 53 | 48 | 48 | 52 | 55 | 64 | 72 | 66 | 56 | 49 | 57 | 56 |
| Relative humidity (%) | 76 | 73 | 72 | 72 | 72 | 75 | 84 | 84 | 80 | 75 | 76 | 77 |
| Wind speed (km/h) | 12.9 | 12.8 | 12.4 | 11.7 | 10.3 | 8.5 | 9.3 | 8.8 | 8.8 | 10.0 | 11.7 | 12.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 53 | 48 | 48 | 52 | 55 | 64 |
| Relative humidity (%) | 76 | 73 | 72 | 72 | 72 | 75 |
| Wind speed (km/h) | 12.9 | 12.8 | 12.4 | 11.7 | 10.3 | 8.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 72 | 66 | 56 | 49 | 57 | 56 |
| Relative humidity (%) | 84 | 84 | 80 | 75 | 76 | 77 |
| Wind speed (km/h) | 9.3 | 8.8 | 8.8 | 10.0 | 11.7 | 12.9 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Haeju, a weather station, about 2 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.