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Bremen, Bremen climate
Cfb Oceanic / temperate
Bremen has a seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 75°F, while the coldest is January averaging around 31°F at night. Precipitation is fairly even year-round, totalling about 26 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 figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsBremen climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 40 | 42 | 49 | 58 | 65 | 70 | 75 | 74 | 67 | 57 | 47 | 42 |
| Avg temp (°F) | 36 | 37 | 41 | 49 | 55 | 61 | 65 | 64 | 58 | 50 | 42 | 37 |
| Avg low (°F) | 31 | 31 | 34 | 39 | 45 | 51 | 55 | 55 | 49 | 43 | 37 | 33 |
| Precipitation (in) | 2.3 | 1.7 | 1.8 | 1.6 | 2.0 | 2.5 | 3.0 | 2.7 | 2.3 | 2.2 | 2.0 | 2.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 40 | 42 | 49 | 58 | 65 | 70 |
| Avg temp (°F) | 36 | 37 | 41 | 49 | 55 | 61 |
| Avg low (°F) | 31 | 31 | 34 | 39 | 45 | 51 |
| Precipitation (in) | 2.3 | 1.7 | 1.8 | 1.6 | 2.0 | 2.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 75 | 74 | 67 | 57 | 47 | 42 |
| Avg temp (°F) | 65 | 64 | 58 | 50 | 42 | 37 |
| Avg low (°F) | 55 | 55 | 49 | 43 | 37 | 33 |
| Precipitation (in) | 3.0 | 2.7 | 2.3 | 2.2 | 2.0 | 2.4 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 17 | 14 | 14 | 11 | 13 | 13 | 14 | 14 | 13 | 15 | 15 | 17 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.0 | 0.2 | 1 | 1 | 0.0 | — | — | — |
| Days with low ≤ 32°F (days) | 15 | 15 | 11 | 5 | 0.6 | — | — | — | 0.0 | 3 | 7 | 13 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 17 | 14 | 14 | 11 | 13 | 13 |
| Days with high ≥ 90°F (days) | — | — | — | — | 0.0 | 0.2 |
| Days with low ≤ 32°F (days) | 15 | 15 | 11 | 5 | 0.6 | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 14 | 14 | 13 | 15 | 15 | 17 |
| Days with high ≥ 90°F (days) | 1 | 1 | 0.0 | — | — | — |
| Days with low ≤ 32°F (days) | — | — | 0.0 | 3 | 7 | 13 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 75 | 72 | 66 | 67 | 72 | 69 | 69 | 69 | 71 | 76 | 77 |
| Clear days (≤ 30% cloud) | 2 | 2 | 3 | 4 | 5 | 3 | 4 | 3 | 3 | 3 | 2 | 2 |
| Partly cloudy days (30–70%) | 8 | 8 | 9 | 9 | 9 | 8 | 9 | 10 | 9 | 9 | 8 | 8 |
| Cloudy days (≥ 70%) | 21 | 19 | 19 | 16 | 17 | 19 | 19 | 18 | 17 | 19 | 20 | 21 |
| Relative humidity (%) | 94 | 91 | 86 | 80 | 78 | 78 | 78 | 78 | 82 | 87 | 93 | 95 |
| Wind speed (mph) | 8.7 | 8.4 | 8.0 | 6.7 | 6.4 | 6.3 | 6.0 | 5.9 | 6.2 | 7.0 | 7.1 | 8.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 75 | 75 | 72 | 66 | 67 | 72 |
| Clear days (≤ 30% cloud) | 2 | 2 | 3 | 4 | 5 | 3 |
| Partly cloudy days (30–70%) | 8 | 8 | 9 | 9 | 9 | 8 |
| Cloudy days (≥ 70%) | 21 | 19 | 19 | 16 | 17 | 19 |
| Relative humidity (%) | 94 | 91 | 86 | 80 | 78 | 78 |
| Wind speed (mph) | 8.7 | 8.4 | 8.0 | 6.7 | 6.4 | 6.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 69 | 69 | 71 | 76 | 77 |
| Clear days (≤ 30% cloud) | 4 | 3 | 3 | 3 | 2 | 2 |
| Partly cloudy days (30–70%) | 9 | 10 | 9 | 9 | 8 | 8 |
| Cloudy days (≥ 70%) | 19 | 18 | 17 | 19 | 20 | 21 |
| Relative humidity (%) | 78 | 78 | 82 | 87 | 93 | 95 |
| Wind speed (mph) | 6.0 | 5.9 | 6.2 | 7.0 | 7.1 | 8.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Bremen-seefahrtschule, a weather station, about 3 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.