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Chorzów, Poland climate
Cfb Oceanic / temperate
Chorzów has a seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 77°F, while the coldest is January averaging around 23°F at night. Around 29 inches of precipitation falls each year, peaking in July (4.2 inches) and easing off in February (1.6 inches). At latitude 50°N, day length swings from 7.8 hours in midwinter to 16.2 hours at midsummer.
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)Chorzów climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 35 | 39 | 47 | 59 | 67 | 73 | 77 | 76 | 67 | 57 | 46 | 37 |
| Avg temp (°F) | 29 | 32 | 38 | 47 | 56 | 62 | 66 | 65 | 56 | 48 | 39 | 31 |
| Avg low (°F) | 23 | 24 | 29 | 36 | 44 | 51 | 55 | 54 | 46 | 39 | 32 | 26 |
| Precipitation (in) | 1.7 | 1.6 | 1.9 | 2.0 | 2.9 | 3.0 | 4.2 | 3.0 | 2.9 | 2.1 | 2.0 | 1.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 35 | 39 | 47 | 59 | 67 | 73 |
| Avg temp (°F) | 29 | 32 | 38 | 47 | 56 | 62 |
| Avg low (°F) | 23 | 24 | 29 | 36 | 44 | 51 |
| Precipitation (in) | 1.7 | 1.6 | 1.9 | 2.0 | 2.9 | 3.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 77 | 76 | 67 | 57 | 46 | 37 |
| Avg temp (°F) | 66 | 65 | 56 | 48 | 39 | 31 |
| Avg low (°F) | 55 | 54 | 46 | 39 | 32 | 26 |
| Precipitation (in) | 4.2 | 3.0 | 2.9 | 2.1 | 2.0 | 1.9 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 76 | 69 | 66 | 67 | 68 | 65 | 62 | 65 | 71 | 75 | 74 |
| Relative humidity (%) | 93 | 91 | 84 | 78 | 75 | 72 | 68 | 66 | 73 | 82 | 90 | 93 |
| Wind speed (mph) | 7.4 | 7.2 | 6.9 | 5.8 | 5.4 | 5.1 | 5.0 | 4.7 | 5.3 | 5.8 | 6.2 | 7.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 76 | 69 | 66 | 67 | 68 |
| Relative humidity (%) | 93 | 91 | 84 | 78 | 75 | 72 |
| Wind speed (mph) | 7.4 | 7.2 | 6.9 | 5.8 | 5.4 | 5.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 65 | 62 | 65 | 71 | 75 | 74 |
| Relative humidity (%) | 68 | 66 | 73 | 82 | 90 | 93 |
| Wind speed (mph) | 5.0 | 4.7 | 5.3 | 5.8 | 6.2 | 7.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Katowice, a weather station, about 9 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.