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Bremerhaven, Bremen climate
Cfb Oceanic / temperate
Bremerhaven has a seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is August with an average daily high near 72°F, while the coldest is January averaging around 33°F at night. Around 30 inches of precipitation falls each year, peaking in July (3.3 inches) and easing off in April (1.4 inches). At latitude 54°N, day length swings from 7.2 hours in midwinter to 16.8 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 countsBremerhaven climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 40 | 41 | 47 | 56 | 62 | 67 | 72 | 72 | 65 | 57 | 47 | 42 |
| Avg temp (°F) | 36 | 37 | 42 | 49 | 56 | 61 | 65 | 65 | 59 | 52 | 43 | 38 |
| Avg low (°F) | 33 | 33 | 36 | 42 | 49 | 55 | 59 | 59 | 54 | 47 | 40 | 35 |
| Precipitation (in) | 2.4 | 1.9 | 1.9 | 1.4 | 2.0 | 2.8 | 3.3 | 3.1 | 2.8 | 2.7 | 2.5 | 2.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 40 | 41 | 47 | 56 | 62 | 67 |
| Avg temp (°F) | 36 | 37 | 42 | 49 | 56 | 61 |
| Avg low (°F) | 33 | 33 | 36 | 42 | 49 | 55 |
| Precipitation (in) | 2.4 | 1.9 | 1.9 | 1.4 | 2.0 | 2.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 72 | 72 | 65 | 57 | 47 | 42 |
| Avg temp (°F) | 65 | 65 | 59 | 52 | 43 | 38 |
| Avg low (°F) | 59 | 59 | 54 | 47 | 40 | 35 |
| Precipitation (in) | 3.3 | 3.1 | 2.8 | 2.7 | 2.5 | 2.8 |
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 | 12 | 13 | 15 | 15 | 15 | 14 | 15 | 16 | 18 |
| Days with high ≥ 90°F (days) | — | — | — | — | — | 0.1 | 0.7 | 0.5 | — | — | — | — |
| Days with low ≤ 32°F (days) | 12 | 12 | 7 | 0.9 | — | — | — | — | — | 0.5 | 4 | 10 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 17 | 14 | 14 | 12 | 13 | 15 |
| Days with high ≥ 90°F (days) | — | — | — | — | — | 0.1 |
| Days with low ≤ 32°F (days) | 12 | 12 | 7 | 0.9 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 15 | 15 | 14 | 15 | 16 | 18 |
| Days with high ≥ 90°F (days) | 0.7 | 0.5 | — | — | — | — |
| Days with low ≤ 32°F (days) | — | — | — | 0.5 | 4 | 10 |
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 | 87 | 82 | 80 | 79 | 79 | 78 | 82 | 87 | 93 | 94 |
| Wind speed (mph) | 9.4 | 9.0 | 8.6 | 7.2 | 7.0 | 7.0 | 6.7 | 6.6 | 7.0 | 7.8 | 7.9 | 8.6 |
| 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 | 87 | 82 | 80 | 79 |
| Wind speed (mph) | 9.4 | 9.0 | 8.6 | 7.2 | 7.0 | 7.0 |
| 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 (%) | 79 | 78 | 82 | 87 | 93 | 94 |
| Wind speed (mph) | 6.7 | 6.6 | 7.0 | 7.8 | 7.9 | 8.6 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Bremerhaven, a weather station, about 2 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.