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Aschaffenburg, Bavaria climate
Cfb Oceanic / temperate
Aschaffenburg 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 −1°C at night. Precipitation is fairly even year-round, totalling about 598 mm. At latitude 50°N, day length swings from 7.9 hours in midwinter to 16.1 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 countsAschaffenburg climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 5 | 7 | 11 | 16 | 20 | 24 | 26 | 26 | 21 | 15 | 9 | 5 |
| Avg temp (°C) | 2 | 3 | 7 | 11 | 15 | 18 | 20 | 20 | 16 | 11 | 6 | 3 |
| Avg low (°C) | −1 | 0 | 2 | 5 | 9 | 13 | 15 | 14 | 11 | 7 | 3 | 0 |
| Precipitation (mm) | 44 | 39 | 39 | 37 | 60 | 55 | 63 | 61 | 48 | 50 | 47 | 54 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 5 | 7 | 11 | 16 | 20 | 24 |
| Avg temp (°C) | 2 | 3 | 7 | 11 | 15 | 18 |
| Avg low (°C) | −1 | 0 | 2 | 5 | 9 | 13 |
| Precipitation (mm) | 44 | 39 | 39 | 37 | 60 | 55 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 21 | 15 | 9 | 5 |
| Avg temp (°C) | 20 | 20 | 16 | 11 | 6 | 3 |
| Avg low (°C) | 15 | 14 | 11 | 7 | 3 | 0 |
| Precipitation (mm) | 63 | 61 | 48 | 50 | 47 | 54 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 14 | 12 | 12 | 11 | 13 | 11 | 13 | 12 | 11 | 13 | 13 | 15 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.1 | 1 | 3 | 3 | 0.1 | — | — | — |
| Days with low ≤ 0°C (days) | 17 | 16 | 10 | 3 | 0.2 | — | — | — | — | 2 | 7 | 15 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 14 | 12 | 12 | 11 | 13 | 11 |
| Days with high ≥ 32°C (days) | — | — | — | — | 0.1 | 1 |
| Days with low ≤ 0°C (days) | 17 | 16 | 10 | 3 | 0.2 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 13 | 12 | 11 | 13 | 13 | 15 |
| Days with high ≥ 32°C (days) | 3 | 3 | 0.1 | — | — | — |
| Days with low ≤ 0°C (days) | — | — | — | 2 | 7 | 15 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 75 | 73 | 69 | 72 | 72 | 70 | 68 | 68 | 73 | 79 | 78 |
| Clear days (≤ 30% cloud) | 3 | 3 | 4 | 5 | 3 | 3 | 4 | 4 | 5 | 3 | 2 | 2 |
| Partly cloudy days (30–70%) | 7 | 6 | 6 | 7 | 8 | 8 | 9 | 9 | 7 | 7 | 6 | 6 |
| Cloudy days (≥ 70%) | 21 | 19 | 21 | 18 | 20 | 20 | 19 | 18 | 18 | 20 | 23 | 23 |
| Relative humidity (%) | 93 | 89 | 83 | 76 | 73 | 67 | 62 | 62 | 70 | 82 | 91 | 93 |
| Wind speed (km/h) | 10.5 | 10.4 | 10.0 | 8.5 | 8.3 | 8.0 | 8.0 | 7.5 | 7.8 | 8.5 | 8.5 | 9.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 75 | 73 | 69 | 72 | 72 |
| Clear days (≤ 30% cloud) | 3 | 3 | 4 | 5 | 3 | 3 |
| Partly cloudy days (30–70%) | 7 | 6 | 6 | 7 | 8 | 8 |
| Cloudy days (≥ 70%) | 21 | 19 | 21 | 18 | 20 | 20 |
| Relative humidity (%) | 93 | 89 | 83 | 76 | 73 | 67 |
| Wind speed (km/h) | 10.5 | 10.4 | 10.0 | 8.5 | 8.3 | 8.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 70 | 68 | 68 | 73 | 79 | 78 |
| Clear days (≤ 30% cloud) | 4 | 4 | 5 | 3 | 2 | 2 |
| Partly cloudy days (30–70%) | 9 | 9 | 7 | 7 | 6 | 6 |
| Cloudy days (≥ 70%) | 19 | 18 | 18 | 20 | 23 | 23 |
| Relative humidity (%) | 62 | 62 | 70 | 82 | 91 | 93 |
| Wind speed (km/h) | 8.0 | 7.5 | 7.8 | 8.5 | 8.5 | 9.8 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Rhein Main, a weather station, about 41 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.