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Opole, Poland climate
Cfb Oceanic / temperate
Opole has a seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 26°C, while the coldest is January averaging around −4°C at night. Around 589 mm of precipitation falls each year, peaking in July (83 mm) and easing off in February (30 mm). At latitude 51°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)Opole climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 2 | 4 | 9 | 15 | 20 | 23 | 26 | 26 | 20 | 14 | 8 | 3 |
| Avg temp (°C) | −1 | 1 | 4 | 10 | 14 | 18 | 20 | 19 | 15 | 10 | 5 | 1 |
| Avg low (°C) | −4 | −3 | 0 | 4 | 8 | 12 | 14 | 13 | 9 | 5 | 2 | −2 |
| Precipitation (mm) | 32 | 30 | 35 | 37 | 70 | 80 | 83 | 53 | 59 | 41 | 36 | 33 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 2 | 4 | 9 | 15 | 20 | 23 |
| Avg temp (°C) | −1 | 1 | 4 | 10 | 14 | 18 |
| Avg low (°C) | −4 | −3 | 0 | 4 | 8 | 12 |
| Precipitation (mm) | 32 | 30 | 35 | 37 | 70 | 80 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 20 | 14 | 8 | 3 |
| Avg temp (°C) | 20 | 19 | 15 | 10 | 5 | 1 |
| Avg low (°C) | 14 | 13 | 9 | 5 | 2 | −2 |
| Precipitation (mm) | 83 | 53 | 59 | 41 | 36 | 33 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 76 | 71 | 66 | 67 | 69 | 66 | 63 | 66 | 72 | 75 | 75 |
| Relative humidity (%) | 92 | 89 | 82 | 75 | 72 | 68 | 65 | 63 | 70 | 80 | 89 | 92 |
| Wind speed (mph) | 7.4 | 7.3 | 7.1 | 6.1 | 5.7 | 5.4 | 5.3 | 5.1 | 5.7 | 6.2 | 6.5 | 7.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 76 | 71 | 66 | 67 | 69 |
| Relative humidity (%) | 92 | 89 | 82 | 75 | 72 | 68 |
| Wind speed (mph) | 7.4 | 7.3 | 7.1 | 6.1 | 5.7 | 5.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 63 | 66 | 72 | 75 | 75 |
| Relative humidity (%) | 65 | 63 | 70 | 80 | 89 | 92 |
| Wind speed (mph) | 5.3 | 5.1 | 5.7 | 6.2 | 6.5 | 7.1 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Opole, a weather station, about 7 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.