Bremen, Germany Climate & Monthly Averages
Bremen has an oceanic climate. August is the hottest month, averaging 74° by day; January is the coldest at 42°.
How weather changes through the year in Bremen
Bremen has an oceanic climate. Average highs run from 42°F (5°C) in January to 74°F (23°C) in August, and the city records roughly 153 days of measurable precipitation a year.
Bremen climate quick facts
- Hottest month: August - highs near 74°F (23°C)
- Coldest month: January - highs near 42°F (5°C)
- Decade extremes (2015-2024): 97°F (36°C) high · 4°F (-16°C) low
- Wettest month: July (13 rainy days) · Sunniest: June (11.6 h sun/day)
- Climate type: oceanic
- Annual swing: 16°C between the average warmest and coolest month · day to night: 7°C
- Snow: about 7 days a year
- Average humidity: 78%
Temperatures, rain and sunshine
Three of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is May through June. January bottoms out at 42°F (5°C) in daylight, 34°F (1°C) after dark. At its warmest, in August, Bremen runs to 74°F (23°C) in the afternoon and back to 58°F (15°C) by dawn.
Sunshine averages 7.5 hours a day over the year - duller than all but 7% of the 3496 cities in our dataset, peaking in June at 11.6 hours.
Days and nights are about 7°C apart on average - narrower than about 80% of the cities we track. Snow falls on roughly 7 days a year, mostly December through March. The gridded 2015-2024 daily record for this location tops out at 97°F (36°C) and bottoms at 4°F (-16°C) - decade extremes, not all-time station records.
Where Bremen sits among other climates
- 28% of the year's precipitation falls in its wettest three months - more evenly spread than almost every other city we track.
These comparisons use the same ten-year window for every city in the dataset.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 42° | 34° | 16 | 3.2 in | 2.9 h/day | 8.1 h | 50% | 86% |
| February | 45° | 34° | 13 | 2.8 in | 4.8 h/day | 9.8 h | 47% | 82% |
| March | 50° | 36° | 12 | 2.4 in | 6.9 h/day | 11.7 h | 38% | 77% |
| April | 56° | 40° | 11 | 2.0 in | 10.0 h/day | 13.9 h | 37% | 72% |
| May | 64° | 48° | 11 | 2.1 in | 11.1 h/day | 15.8 h | 36% | 71% |
| June | 72° | 55° | 12 | 3.1 in | 11.6 h/day | 16.9 h | 39% | 72% |
| July | 73° | 58° | 13 | 3.2 in | 11.2 h/day | 16.5 h | 42% | 73% |
| August | 74° | 58° | 12 | 2.7 in | 10.9 h/day | 14.7 h | 40% | 74% |
| September | 67° | 53° | 11 | 2.2 in | 9.0 h/day | 12.6 h | 36% | 77% |
| October | 59° | 48° | 14 | 2.9 in | 5.8 h/day | 10.5 h | 44% | 83% |
| November | 48° | 40° | 14 | 2.6 in | 3.7 h/day | 8.6 h | 48% | 87% |
| December | 44° | 37° | 14 | 3.0 in | 2.4 h/day | 7.6 h | 46% | 88% |
Bremen month by month
Each card shows the average high and low. The bar places that month between Bremen's coldest night and warmest afternoon.
January
- Rain
- 16 days
- Sunshine
- 2.9 h
- Daylight
- 8.1 h
- Snow
- 2 days
February
- Rain
- 13 days
- Sunshine
- 4.8 h
- Daylight
- 9.8 h
- Snow
- 1 day
March
- Rain
- 12 days
- Sunshine
- 6.9 h
- Daylight
- 11.7 h
- Snow
- 1 day
April
- Rain
- 11 days
- Sunshine
- 10.0 h
- Daylight
- 13.9 h
May
- Rain
- 11 days
- Sunshine
- 11.1 h
- Daylight
- 15.8 h
June
- Rain
- 12 days
- Sunshine
- 11.6 h
- Daylight
- 16.9 h
July
- Rain
- 13 days
- Sunshine
- 11.2 h
- Daylight
- 16.5 h
August
- Rain
- 12 days
- Sunshine
- 10.9 h
- Daylight
- 14.7 h
September
- Rain
- 11 days
- Sunshine
- 9.0 h
- Daylight
- 12.6 h
October
- Rain
- 14 days
- Sunshine
- 5.8 h
- Daylight
- 10.5 h
November
- Rain
- 14 days
- Sunshine
- 3.7 h
- Daylight
- 8.6 h
December
- Rain
- 14 days
- Sunshine
- 2.4 h
- Daylight
- 7.6 h
- Snow
- 1 day
Looking for warmer alternatives? Browse warm places by month, or compare Bremen's coolest part of the year: January, December, February.
A season-by-season guide to Bremen
Spring (March through May)
Spring runs cool rather than cold here - highs near 57°F (14°C), nights near 41°F (5°C), and rain falls on around 34 of the 90 days.
Summer (June through August)
Summer brings comfortable warmth here - highs near 73°F (23°C), nights near 57°F (14°C), and rain falls on around 37 of the 90 days. Daylight is generous - around 11.2 hours of sun a day.
Fall (September through November)
Fall in Bremen stays on the cool side of mild, with daytime highs averaging 58°F (15°C) and nights around 47°F (8°C); rain falls on around 39 of the 90 days.
Winter (December through February)
Through winter, Bremen is chilly: 43°F (6°C) by day, 35°F (2°C) after dark, and rain falls on around 43 of the 90 days, plus about 5 snowy days. Sun is scarce, averaging 3.4 hours a day.
Questions people ask about Bremen's climate
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The most useful weather window for Bremen
Best time to visit Bremen
The best time to visit Bremen is generally April to June and September, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window sit near 65°F (18°C), with rain on about 11 days a month. For the same question asked the other way round, see where else is warm in April.
What to pack
Pack for Bremen with a warm jacket and layers for the cooler season and proper waterproofs rather than an umbrella - wet days are the norm here. Note the gap between afternoon and night: August pairs 74°F (23°C) with 58°F (15°C).
Bremen temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.