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Dülmen, North Rhine-Westphalia climate
Cfb Oceanic / temperate
Dülmen has a seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 24°C, while the coldest is January averaging around 0°C at night. Around 726 mm of precipitation falls each year, peaking in August (75 mm) and easing off in April (33 mm). At latitude 52°N, day length swings from 7.6 hours in midwinter to 16.4 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 figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsDülmen climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 6 | 7 | 11 | 16 | 19 | 22 | 24 | 24 | 20 | 15 | 10 | 7 |
| Avg temp (°C) | 3 | 3 | 6 | 10 | 13 | 17 | 19 | 18 | 15 | 11 | 7 | 4 |
| Avg low (°C) | 0 | 0 | 1 | 4 | 7 | 11 | 13 | 12 | 9 | 7 | 3 | 1 |
| Precipitation (mm) | 68 | 56 | 49 | 33 | 47 | 60 | 75 | 75 | 61 | 63 | 67 | 72 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 6 | 7 | 11 | 16 | 19 | 22 |
| Avg temp (°C) | 3 | 3 | 6 | 10 | 13 | 17 |
| Avg low (°C) | 0 | 0 | 1 | 4 | 7 | 11 |
| Precipitation (mm) | 68 | 56 | 49 | 33 | 47 | 60 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 24 | 24 | 20 | 15 | 10 | 7 |
| Avg temp (°C) | 19 | 18 | 15 | 11 | 7 | 4 |
| Avg low (°C) | 13 | 12 | 9 | 7 | 3 | 1 |
| Precipitation (mm) | 75 | 75 | 61 | 63 | 67 | 72 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 16 | 14 | 13 | 10 | 11 | 13 | 13 | 14 | 12 | 14 | 15 | 20 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.1 | 0.6 | 2 | 2 | 0.4 | — | — | — |
| Days with low ≤ 0°C (days) | 14 | 14 | 12 | 5 | 1 | — | — | — | 0.1 | 2 | 7 | 12 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 16 | 14 | 13 | 10 | 11 | 13 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.1 | 0.6 |
| Days with low ≤ 0°C (days) | 14 | 14 | 12 | 5 | 1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 13 | 14 | 12 | 14 | 15 | 20 |
| Days with high ≥ 32°C (days) | 2 | 2 | 0.4 | — | — | — |
| Days with low ≤ 0°C (days) | — | — | 0.1 | 2 | 7 | 12 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 74 | 73 | 71 | 68 | 70 | 72 | 69 | 68 | 67 | 70 | 75 | 74 |
| Clear days (≤ 30% cloud) | 3 | 3 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 3 | 2 | 3 |
| Partly cloudy days (30–70%) | 8 | 6 | 7 | 8 | 8 | 8 | 9 | 9 | 8 | 9 | 8 | 7 |
| Cloudy days (≥ 70%) | 20 | 19 | 20 | 17 | 19 | 19 | 18 | 18 | 17 | 19 | 20 | 22 |
| Relative humidity (%) | 94 | 91 | 87 | 81 | 79 | 77 | 72 | 72 | 77 | 85 | 92 | 94 |
| Wind speed (km/h) | 14.2 | 13.5 | 12.4 | 10.1 | 9.7 | 9.5 | 9.5 | 9.4 | 9.9 | 11.4 | 11.8 | 13.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 74 | 73 | 71 | 68 | 70 | 72 |
| Clear days (≤ 30% cloud) | 3 | 3 | 4 | 4 | 4 | 3 |
| Partly cloudy days (30–70%) | 8 | 6 | 7 | 8 | 8 | 8 |
| Cloudy days (≥ 70%) | 20 | 19 | 20 | 17 | 19 | 19 |
| Relative humidity (%) | 94 | 91 | 87 | 81 | 79 | 77 |
| Wind speed (km/h) | 14.2 | 13.5 | 12.4 | 10.1 | 9.7 | 9.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 68 | 67 | 70 | 75 | 74 |
| Clear days (≤ 30% cloud) | 4 | 4 | 4 | 3 | 2 | 3 |
| Partly cloudy days (30–70%) | 9 | 9 | 8 | 9 | 8 | 7 |
| Cloudy days (≥ 70%) | 18 | 18 | 17 | 19 | 20 | 22 |
| Relative humidity (%) | 72 | 72 | 77 | 85 | 92 | 94 |
| Wind speed (km/h) | 9.5 | 9.4 | 9.9 | 11.4 | 11.8 | 13.2 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 13 years of daily observations at Waltrop-abdinghof, a weather station, about 27 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.