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Bremen, Bremen Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Bremen, Bremen?
Bremen, Bremen gets 671 mm of precipitation a year over about 170 rainy days. July is the warmest month (average high 23°C) and January the coldest (average low -1°C).
Oceanic climate
Bremen, Bremen has warm summers and chilly winters. Daytime highs range from about 5°C in January to 24°C in July. July is usually the wettest month. The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 21°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 0° | 5° |
| Spring | Mar–May | 4° | 14° |
| Summer | Jun–Aug | 12° | 23° |
| Autumn | Sep–Nov | 6° | 14° |
How much rain does Bremen get?
Bremen gets 671 mm of precipitation in an average year, spread over about 170 days with measurable rain. That is more rainy days than 55% of Germany.
July is the wettest month, with 75 mm. April is the driest, with 40 mm. January has the most rainy days, about 17.
The longest dry spell in the last five years lasted 28 days, to June 19, 2023.
From October 2025 to September 2026 Bremen got 540 mm of rain, against a normal of 671 mm for those months. June 2026 had the most, with 80 mm.
Bremen weather by month
Bremen weather in January
In January, Bremen averages a high of 4°C and a low of -1°C. It gets 58 mm of precipitation over about 17 rainy days. Estimated sunshine is 20% of daylight hours, derived from ERA5 cloud cover. The January record high is 16°C (2023) and the record low is -21°C (1979).
Bremen weather in February
In February, Bremen averages a high of 6°C and a low of -1°C. It gets 44 mm of precipitation over about 14 rainy days. Estimated sunshine is 23% of daylight hours, derived from ERA5 cloud cover. The February record high is 18°C (2020) and the record low is -21°C (1986).
Bremen weather in March
In March, Bremen averages a high of 9°C and a low of 1°C. It gets 46 mm of precipitation over about 14 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The March record high is 23°C (1989) and the record low is -19°C (1987).
Bremen weather in April
In April, Bremen averages a high of 14°C and a low of 4°C. It gets 40 mm of precipitation over about 11 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The April record high is 27°C (2018) and the record low is -8°C (1996).
Bremen weather in May
In May, Bremen averages a high of 18°C and a low of 8°C. It gets 50 mm of precipitation over about 13 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The May record high is 32°C (2018) and the record low is -3°C (1996). May is one of the most comfortable months to visit.
Bremen weather in June
In June, Bremen averages a high of 21°C and a low of 11°C. It gets 62 mm of precipitation over about 13 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The June record high is 37°C (2026) and the record low is 1°C (1991). June is one of the most comfortable months to visit.
Bremen weather in July
In July, Bremen averages a high of 23°C and a low of 13°C. It gets 75 mm of precipitation over about 14 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The July record high is 37°C (2022) and the record low is 3°C (1984).
Bremen weather in August
In August, Bremen averages a high of 23°C and a low of 13°C. It gets 69 mm of precipitation over about 15 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The August record high is 38°C (1992) and the record low is 3°C (1980). August is one of the most comfortable months to visit.
Bremen weather in September
In September, Bremen averages a high of 19°C and a low of 9°C. It gets 58 mm of precipitation over about 13 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The September record high is 32°C (2016) and the record low is -1°C (1979). September is one of the most comfortable months to visit.
Bremen weather in October
In October, Bremen averages a high of 14°C and a low of 6°C. It gets 57 mm of precipitation over about 15 rainy days. Estimated sunshine is 25% of daylight hours, derived from ERA5 cloud cover. The October record high is 28°C (2011) and the record low is -8°C (1997).
Bremen weather in November
In November, Bremen averages a high of 8°C and a low of 3°C. It gets 51 mm of precipitation over about 15 rainy days. Estimated sunshine is 21% of daylight hours, derived from ERA5 cloud cover. The November record high is 20°C (2014) and the record low is -12°C (1973).
Bremen weather in December
In December, Bremen averages a high of 6°C and a low of 1°C. It gets 60 mm of precipitation over about 17 rainy days. Estimated sunshine is 15% of daylight hours, derived from ERA5 cloud cover. The December record high is 16°C (1977) and the record low is -18°C (1978).
Sunshine, humidity and wind in Bremen
April is the sunniest month in Bremen, with estimated sunshine of 39% of daylight hours from ERA5 cloud cover. December is the cloudiest, at 15%. The annual cloud-cover estimate is 30% of daylight hours; it is not a measurement of sunshine duration. Bremen is cloudier than 82% of Germany.
Humidity peaks in December at 89% and is lowest in April at 67%.
Bremen has about 3 days a year above 32°C. Bremen is cooler than 66% of Germany.
First and last freeze in Bremen
The first fall freeze in Bremen typically comes around October 25, and the last spring freeze around April 26. That leaves a frost-free growing season of about 182 days.
Bremen weather records
These records cover BREMEN-SEEFAHRTSCHULE during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Bremen station is 38°C, on August 9, 1992. The coldest is -21°C, on January 4, 1979.
The wettest day in the available station history brought 54 mm of precipitation, on October 5, 2002.
41 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.3°C per decade since 1970.
The best time to visit Bremen
The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 21°C.
Winter (December–February) is chilly, with average highs around 5°C and lows near 0°C.
Spring (March–May) is mild, with average highs around 14°C and lows near 4°C.
Summer (June–August) is warm, with average highs around 23°C and lows near 12°C. It can feel humid.
Autumn (September–November) is mild, with average highs around 14°C and lows near 6°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | -1° | 4° | 58 mm | 17 | 86% | 20% | 16° | -21° |
| February | -1° | 6° | 44 mm | 14 | 81% | 23% | 18° | -21° |
| March | 1° | 9° | 46 mm | 14 | 72% | 36% | 23° | -19° |
| April | 4° | 14° | 40 mm | 11 | 67% | 39% | 27° | -8° |
| May | 8° | 18° | 50 mm | 13 | 69% | 36% | 32° | -3° |
| June | 11° | 21° | 62 mm | 13 | 68% | 38% | 37° | 1° |
| July | 13° | 23° | 75 mm | 14 | 72% | 32% | 37° | 3° |
| August | 13° | 23° | 69 mm | 15 | 73% | 38% | 38° | 3° |
| September | 9° | 19° | 58 mm | 13 | 77% | 37% | 32° | -1° |
| October | 6° | 14° | 57 mm | 15 | 83% | 25% | 28° | -8° |
| November | 3° | 8° | 51 mm | 15 | 86% | 21% | 20° | -12° |
| December | 1° | 6° | 60 mm | 17 | 89% | 15% | 16° | -18° |
Station: BREMEN-SEEFAHRTSCHULE, 3 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Bremen climate questions
How much rain does Bremen get?
Bremen gets 671 mm of precipitation in an average year, over about 170 rainy days.
What is the wettest month in Bremen?
July is the wettest month in Bremen, with 75 mm. April is the driest, with 40 mm.
How many rainy days does Bremen have a year?
Bremen has about 170 days with measurable rain in an average year. January has the most, about 17.
What is the hottest month in Bremen?
July is the warmest month in Bremen, with an average high of 23°C.
What is the coldest month in Bremen?
January is the coldest month in Bremen, with an average low of -1°C.
What is the record high temperature in Bremen?
Within the available 1970–2026 station history, the record high at the Bremen station is 38°C, set on August 9, 1992. The record low is -21°C, on January 4, 1979.
What is the sunniest month in Bremen?
April is the sunniest month in Bremen, with estimated sunshine of 39% of daylight hours from ERA5 cloud cover. December is the cloudiest.
When is the first frost in Bremen?
The first fall freeze in Bremen typically comes around October 25. The last spring freeze is around April 26.
What is the best time to visit Bremen?
The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 21°C.