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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 84°F, while the coldest is January averaging around 19°F at night. Precipitation totals about 40 inches a year and is strongly seasonal — July alone averages 12.0 inches while January barely receives 0.40 inches.
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 (°F) | 35 | 39 | 49 | 61 | 71 | 78 | 81 | 84 | 78 | 67 | 52 | 38 |
| Avg temp (°F) | 27 | 31 | 41 | 52 | 62 | 71 | 76 | 78 | 70 | 58 | 44 | 31 |
| Avg low (°F) | 19 | 23 | 32 | 43 | 53 | 63 | 70 | 71 | 62 | 49 | 36 | 24 |
| Precipitation (in) | 0.4 | 0.7 | 1.0 | 2.0 | 4.1 | 4.1 | 12.0 | 9.6 | 3.3 | 1.4 | 1.3 | 0.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 35 | 39 | 49 | 61 | 71 | 78 |
| Avg temp (°F) | 27 | 31 | 41 | 52 | 62 | 71 |
| Avg low (°F) | 19 | 23 | 32 | 43 | 53 | 63 |
| Precipitation (in) | 0.4 | 0.7 | 1.0 | 2.0 | 4.1 | 4.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 81 | 84 | 78 | 67 | 52 | 38 |
| Avg temp (°F) | 76 | 78 | 70 | 58 | 44 | 31 |
| Avg low (°F) | 70 | 71 | 62 | 49 | 36 | 24 |
| Precipitation (in) | 12.0 | 9.6 | 3.3 | 1.4 | 1.3 | 0.5 |
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 (mph) | 8.0 | 7.9 | 7.7 | 7.2 | 6.4 | 5.3 | 5.8 | 5.5 | 5.5 | 6.2 | 7.3 | 8.0 |
| 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 (mph) | 8.0 | 7.9 | 7.7 | 7.2 | 6.4 | 5.3 |
| 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 (mph) | 5.8 | 5.5 | 5.5 | 6.2 | 7.3 | 8.0 |
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.