Bremerhaven, 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 Bremerhaven, Bremen?

Bremerhaven, Bremen gets 752 mm of precipitation a year over about 179 rainy days. July is the warmest month (average high 22°C) and January the coldest (average low 1°C).

Oceanic climate

Bremerhaven, Bremen has warm summers and chilly winters. Daytime highs range from about 5°C in January to 22°C in August. 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 19°C.

SeasonMonthsAvg lowAvg high
WinterDec–Feb1°5°
SpringMar–May6°13°
SummerJun–Aug14°21°
AutumnSep–Nov8°13°

How much rain does Bremerhaven get?

Bremerhaven gets 752 mm of precipitation in an average year, spread over about 179 days with measurable rain. That is more rainy days than 79% of Germany.

July is the wettest month, with 84 mm. April is the driest, with 36 mm. December has the most rainy days, about 18.

The longest dry spell in the last five years lasted 27 days, to June 19, 2023.

From October 2025 to September 2026 Bremerhaven got 561 mm of rain, against a normal of 752 mm for those months. October 2025 had the most, with 114 mm.

Monthly rainfall, October 2025 to September 2026, in millimetres Oct 2025 114 Nov 66 Dec 28 Jan 2026 52 Feb 51 Mar 10 Apr 14 May 23 Jun 87 Jul 70 Aug 46 Sep no data
Monthly rainfall, October 2025 to September 2026, in millimetres. The dash on each month marks its 1991–2020 normal. A month with no bar has no report.
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Bremerhaven weather by month

Bremerhaven weather in January

In January, Bremerhaven averages a high of 4°C and a low of 1°C. It gets 62 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 13°C (2023) and the record low is -17°C (1987).

Bremerhaven weather in February

In February, Bremerhaven averages a high of 5°C and a low of 1°C. It gets 48 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 17°C (2021) and the record low is -14°C (2012).

Bremerhaven weather in March

In March, Bremerhaven averages a high of 8°C and a low of 3°C. It gets 49 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 22°C (1989) and the record low is -12°C (2005).

Bremerhaven weather in April

In April, Bremerhaven averages a high of 13°C and a low of 6°C. It gets 36 mm of precipitation over about 12 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The April record high is 27°C (2018) and the record low is -3°C (1996).

Bremerhaven weather in May

In May, Bremerhaven averages a high of 17°C and a low of 9°C. It gets 50 mm of precipitation over about 13 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The May record high is 32°C (2018) and the record low is 1°C (1971). May is one of the most comfortable months to visit.

Bremerhaven weather in June

In June, Bremerhaven averages a high of 19°C and a low of 13°C. It gets 72 mm of precipitation over about 15 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The June record high is 36°C (2026) and the record low is 3°C (1975). June is one of the most comfortable months to visit.

Bremerhaven weather in July

In July, Bremerhaven averages a high of 22°C and a low of 15°C. It gets 84 mm of precipitation over about 15 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The July record high is 36°C (2022) and the record low is 8°C (1984).

Bremerhaven weather in August

In August, Bremerhaven averages a high of 22°C and a low of 15°C. It gets 78 mm of precipitation over about 15 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The August record high is 36°C (1992) and the record low is 8°C (1987). August is one of the most comfortable months to visit.

Bremerhaven weather in September

In September, Bremerhaven averages a high of 18°C and a low of 12°C. It gets 72 mm of precipitation over about 14 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The September record high is 31°C (2024) and the record low is 4°C (1977). September is one of the most comfortable months to visit.

Bremerhaven weather in October

In October, Bremerhaven averages a high of 14°C and a low of 8°C. It gets 68 mm of precipitation over about 15 rainy days. Estimated sunshine is 26% of daylight hours, derived from ERA5 cloud cover. The October record high is 26°C (2011) and the record low is -2°C (2003).

Bremerhaven weather in November

In November, Bremerhaven averages a high of 8°C and a low of 4°C. It gets 64 mm of precipitation over about 16 rainy days. Estimated sunshine is 21% of daylight hours, derived from ERA5 cloud cover. The November record high is 19°C (2020) and the record low is -10°C (1973).

Bremerhaven weather in December

In December, Bremerhaven averages a high of 6°C and a low of 2°C. It gets 70 mm of precipitation over about 18 rainy days. Estimated sunshine is 14% of daylight hours, derived from ERA5 cloud cover. The December record high is 14°C (2006) and the record low is -16°C (1981).

Sunshine, humidity and wind in Bremerhaven

April is the sunniest month in Bremerhaven, with estimated sunshine of 40% of daylight hours from ERA5 cloud cover. December is the cloudiest, at 14%. The annual cloud-cover estimate is 30% of daylight hours; it is not a measurement of sunshine duration. Bremerhaven is cloudier than 81% of Germany.

Humidity peaks in December at 90% and is lowest in April at 72%.

Bremerhaven has about 2 days a year above 32°C. Bremerhaven is cooler than 93% of Germany.

First and last freeze in Bremerhaven

The first fall freeze in Bremerhaven typically comes around November 17, and the last spring freeze around March 29. That leaves a frost-free growing season of about 233 days.

Bremerhaven weather records

These records cover BREMERHAVEN during 1970–2026. Earlier records or other stations in the city may differ.

The hottest temperature on record at the Bremerhaven station is 36°C, on July 20, 2022. The coldest is -17°C, on January 14, 1987.

The wettest day in the available station history brought 76 mm of precipitation, on September 4, 2024.

43 all-time records have been set at the station since 1970.

The annual mean temperature has changed by +0.4°C per decade since 1970.

The best time to visit Bremerhaven

The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 19°C.

Winter (December–February) is chilly, with average highs around 5°C and lows near 1°C.

Spring (March–May) is mild, with average highs around 13°C and lows near 6°C.

Summer (June–August) is warm, with average highs around 21°C and lows near 14°C. It can feel humid.

Autumn (September–November) is mild, with average highs around 14°C and lows near 8°C.

Monthly climate

MonthAverage lowAverage highPrecipRain daysHumidityEstimated sunshineRecord highRecord low
January1°4°62 mm1788%20%13°-17°
February1°5°48 mm1483%23%17°-14°
March3°8°49 mm1476%36%22°-12°
April6°13°36 mm1272%40%27°-3°
May9°17°50 mm1375%35%32°1°
June13°19°72 mm1575%39%36°3°
July15°22°84 mm1578%32%36°8°
August15°22°78 mm1578%39%36°8°
September12°18°72 mm1481%36%31°4°
October8°14°68 mm1586%26%26°-2°
November4°8°64 mm1688%21%19°-10°
December2°6°70 mm1890%14%14°-16°

Station: BREMERHAVEN, 2 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.

Bremerhaven climate questions

How much rain does Bremerhaven get?

Bremerhaven gets 752 mm of precipitation in an average year, over about 179 rainy days.

What is the wettest month in Bremerhaven?

July is the wettest month in Bremerhaven, with 84 mm. April is the driest, with 36 mm.

How many rainy days does Bremerhaven have a year?

Bremerhaven has about 179 days with measurable rain in an average year. December has the most, about 18.

What is the hottest month in Bremerhaven?

July is the warmest month in Bremerhaven, with an average high of 22°C.

What is the coldest month in Bremerhaven?

January is the coldest month in Bremerhaven, with an average low of 1°C.

What is the record high temperature in Bremerhaven?

Within the available 1970–2026 station history, the record high at the Bremerhaven station is 36°C, set on July 20, 2022. The record low is -17°C, on January 14, 1987.

What is the sunniest month in Bremerhaven?

April is the sunniest month in Bremerhaven, with estimated sunshine of 40% of daylight hours from ERA5 cloud cover. December is the cloudiest.

When is the first frost in Bremerhaven?

The first fall freeze in Bremerhaven typically comes around November 17. The last spring freeze is around March 29.

What is the best time to visit Bremerhaven?

The most comfortable time to visit is typically May to June and August to September, when daytime highs sit near 19°C.