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Groningen, Netherlands climate
Cfb Oceanic / temperate
Groningen has a seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 73°F, while the coldest is January averaging around 32°F at night. Around 33 inches of precipitation falls each year, peaking in July (3.8 inches) and easing off in April (1.6 inches). At latitude 53°N, day length swings from 7.3 hours in midwinter to 16.7 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)Groningen climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 41 | 43 | 49 | 58 | 64 | 69 | 73 | 73 | 66 | 58 | 48 | 43 |
| Avg temp (°F) | 37 | 38 | 42 | 48 | 54 | 59 | 63 | 63 | 58 | 51 | 43 | 38 |
| Avg low (°F) | 32 | 32 | 34 | 39 | 45 | 50 | 54 | 54 | 49 | 44 | 38 | 33 |
| Precipitation (in) | 2.7 | 2.3 | 2.2 | 1.6 | 2.2 | 2.7 | 3.8 | 3.1 | 3.4 | 3.0 | 2.9 | 3.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 41 | 43 | 49 | 58 | 64 | 69 |
| Avg temp (°F) | 37 | 38 | 42 | 48 | 54 | 59 |
| Avg low (°F) | 32 | 32 | 34 | 39 | 45 | 50 |
| Precipitation (in) | 2.7 | 2.3 | 2.2 | 1.6 | 2.2 | 2.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 73 | 73 | 66 | 58 | 48 | 43 |
| Avg temp (°F) | 63 | 63 | 58 | 51 | 43 | 38 |
| Avg low (°F) | 54 | 54 | 49 | 44 | 38 | 33 |
| Precipitation (in) | 3.8 | 3.1 | 3.4 | 3.0 | 2.9 | 3.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 78 | 77 | 74 | 68 | 69 | 72 | 70 | 71 | 72 | 76 | 80 | 80 |
| Relative humidity (%) | 93 | 90 | 86 | 80 | 78 | 78 | 78 | 79 | 82 | 87 | 92 | 93 |
| Wind speed (mph) | 10.3 | 9.8 | 9.4 | 8.1 | 8.0 | 7.7 | 7.4 | 7.2 | 7.7 | 8.6 | 8.7 | 9.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 78 | 77 | 74 | 68 | 69 | 72 |
| Relative humidity (%) | 93 | 90 | 86 | 80 | 78 | 78 |
| Wind speed (mph) | 10.3 | 9.8 | 9.4 | 8.1 | 8.0 | 7.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 70 | 71 | 72 | 76 | 80 | 80 |
| Relative humidity (%) | 78 | 79 | 82 | 87 | 92 | 93 |
| Wind speed (mph) | 7.4 | 7.2 | 7.7 | 8.6 | 8.7 | 9.5 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 28 years of daily observations at Eelde, a weather station, about 11 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.