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Zwolle, Netherlands climate
Cfb Oceanic / temperate
Zwolle 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 33°F at night. Around 32 inches of precipitation falls each year, peaking in August (3.6 inches) and easing off in April (1.7 inches). At latitude 52°N, day length swings from 7.4 hours in midwinter to 16.6 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 countsZwolle climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 42 | 44 | 50 | 58 | 64 | 69 | 73 | 72 | 66 | 58 | 49 | 43 |
| Avg temp (°F) | 38 | 38 | 43 | 49 | 55 | 60 | 64 | 63 | 58 | 51 | 44 | 39 |
| Avg low (°F) | 33 | 33 | 36 | 40 | 46 | 51 | 55 | 54 | 50 | 44 | 39 | 34 |
| Precipitation (in) | 2.7 | 2.2 | 2.2 | 1.7 | 2.3 | 2.6 | 3.6 | 3.6 | 2.9 | 3.0 | 2.7 | 2.9 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 42 | 44 | 50 | 58 | 64 | 69 |
| Avg temp (°F) | 38 | 38 | 43 | 49 | 55 | 60 |
| Avg low (°F) | 33 | 33 | 36 | 40 | 46 | 51 |
| Precipitation (in) | 2.7 | 2.2 | 2.2 | 1.7 | 2.3 | 2.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 73 | 72 | 66 | 58 | 49 | 43 |
| Avg temp (°F) | 64 | 63 | 58 | 51 | 44 | 39 |
| Avg low (°F) | 55 | 54 | 50 | 44 | 39 | 34 |
| Precipitation (in) | 3.6 | 3.6 | 2.9 | 3.0 | 2.7 | 2.9 |
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 | 12 | 12 | 13 | 14 | 14 | 14 | 16 | 16 | 18 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.0 | 0.2 | 0.7 | 0.6 | 0.0 | — | — | — |
| Days with low ≤ 32°F (days) | 13 | 13 | 10 | 4 | 0.1 | — | — | — | — | 2 | 5 | 12 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 16 | 14 | 13 | 12 | 12 | 13 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.0 | 0.2 |
| Days with low ≤ 32°F (days) | 13 | 13 | 10 | 4 | 0.1 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 14 | 14 | 14 | 16 | 16 | 18 |
| Days with high ≥ 90°F (days) | 0.7 | 0.6 | 0.0 | — | — | — |
| Days with low ≤ 32°F (days) | — | — | — | 2 | 5 | 12 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 74 | 72 | 68 | 68 | 72 | 69 | 69 | 70 | 74 | 77 | 77 |
| Clear days (≤ 30% cloud) | 2 | 2 | 3 | 3 | 4 | 3 | 3 | 3 | 3 | 2 | 1 | 1 |
| Partly cloudy days (30–70%) | 8 | 8 | 8 | 10 | 10 | 8 | 10 | 11 | 9 | 8 | 8 | 8 |
| Cloudy days (≥ 70%) | 21 | 19 | 20 | 17 | 17 | 19 | 18 | 17 | 18 | 21 | 21 | 22 |
| Relative humidity (%) | 93 | 90 | 86 | 81 | 78 | 78 | 79 | 80 | 83 | 87 | 92 | 93 |
| Wind speed (mph) | 9.5 | 9.1 | 8.6 | 7.4 | 7.4 | 7.0 | 6.7 | 6.6 | 7.0 | 8.0 | 8.1 | 8.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 76 | 74 | 72 | 68 | 68 | 72 |
| Clear days (≤ 30% cloud) | 2 | 2 | 3 | 3 | 4 | 3 |
| Partly cloudy days (30–70%) | 8 | 8 | 8 | 10 | 10 | 8 |
| Cloudy days (≥ 70%) | 21 | 19 | 20 | 17 | 17 | 19 |
| Relative humidity (%) | 93 | 90 | 86 | 81 | 78 | 78 |
| Wind speed (mph) | 9.5 | 9.1 | 8.6 | 7.4 | 7.4 | 7.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 69 | 70 | 74 | 77 | 77 |
| Clear days (≤ 30% cloud) | 3 | 3 | 3 | 2 | 1 | 1 |
| Partly cloudy days (30–70%) | 10 | 11 | 9 | 8 | 8 | 8 |
| Cloudy days (≥ 70%) | 18 | 17 | 18 | 21 | 21 | 22 |
| Relative humidity (%) | 79 | 80 | 83 | 87 | 92 | 93 |
| Wind speed (mph) | 6.7 | 6.6 | 7.0 | 8.0 | 8.1 | 8.8 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Lelystad, a weather station, about 39 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.