Bremerhaven climate — normals and trends
Bremerhaven (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.2 °C and it receives 797 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (17.1 °C on average) and the coldest is January (1.4 °C). Rainfall peaks in July.
Bremerhaven averages 50 frost days, 1 hot days (≥ 30 °C) and 152 rainy days per year.
Bremerhaven has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 68 to 32 per year over the period.
The hottest day of the period reached 32.9 °C (on 20 June 2000) and the coldest -22.9 °C (on 13 February 1940).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
BremerhavenFree Hanseatic City of Bremen
- coords
- 53.55°, 8.58°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.2°C
Average daily high
11.9°C
Average daily low
6.7°C
Annual rainfall
797mm
Sunshine / day
7.6h
Mean relative humidity
82%
Average peak wind
20.5km/h
Seasonal range
15.7°C
Frost days (< 0 °C)
50 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
152 d/yr
Annual snowfall
28.7 cm
Average feels-like high
9.3 °C
Average feels-like low
3.5 °C
Average peak gust
39.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.41 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
32.9 °C
20 June 2000
Coldest day
-22.9 °C
13 February 1940
Wettest day
51 mm
29 June 1981
Windiest day
61.8 km/h
13 November 1972
Strongest gust
127.8 km/h
23 February 1967
Hottest feels-like
35.5 °C
4 July 2015
Coldest feels-like
-28.0 °C
13 February 1940
Snowiest day
15.7 cm
8 February 1966
Sunniest day
16.6 h
22 June 2022
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 4.8 °C | +1.6 °C | 74 mm | +13 mm |
| Feb | 4.8 °C | +0.9 °C | 17 mm | -32 mm |
| Mar | 10.7 °C | +3.6 °C | 15 mm | -41 mm |
| Apr | 14.2 °C | +2.9 °C | 28 mm | -28 mm |
| May | 17.1 °C | +1.4 °C | 42 mm | -24 mm |
| Jun | 20.9 °C | +2.3 °C | 121 mm | +43 mm |
| Jul | 21.6 °C | +1.3 °C | 118 mm | +27 mm |
| Aug | 22.3 °C | +1.9 °C | 50 mm | -33 mm |
| Sep | 19.1 °C | +1.8 °C | 56 mm | -10 mm |
| Oct | 13.4 °C | +0.6 °C | 102 mm | +38 mm |
| Nov | 8.8 °C | +1.2 °C | 81 mm | +18 mm |
| Dec | 7.0 °C | +2.4 °C | 33 mm | -31 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Bremerhaven?
Bremerhaven has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.2 °C and it receives 797 mm of precipitation per year.
What is the hottest day ever recorded in Bremerhaven?
The hottest day measured in Bremerhaven between 1940 and 2025 was 20 June 2000, reaching 32.9 °C.
What is the coldest day in Bremerhaven?
The coldest day measured in Bremerhaven between 1940 and 2025 was 13 February 1940, at -22.9 °C.
Does it snow in Bremerhaven?
Yes. Bremerhaven gets on average 28.7 cm of snow per year and has around 50 frost days.
Has the climate of Bremerhaven warmed?
Yes: Bremerhaven warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bremerhaven?
The wettest day measured in Bremerhaven between 1940 and 2025 was 29 June 1981, with 51 mm of rain in 24 hours.
What was the windiest day in Bremerhaven?
The windiest day measured in Bremerhaven between 1940 and 2025 was 13 November 1972, with winds reaching 61.8 km/h.
What is the warmest month in Bremerhaven?
The warmest month in Bremerhaven is July (17.1 °C on average); the coldest is January (1.4 °C).
How much does it rain in Bremerhaven?
Bremerhaven receives on average 797 mm of precipitation per year, spread over about 152 rainy days.
Is it sunny in Bremerhaven?
Bremerhaven gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.
What is the biggest single-day snowfall in Bremerhaven?
The heaviest 24-hour snowfall measured in Bremerhaven between 1940 and 2025 was 8 February 1966, with 15.7 cm.
Are there tropical nights in Bremerhaven?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Bremerhaven.
What was the most extreme apparent temperature in Bremerhaven?
In Bremerhaven, between 1940 and 2025, the highest apparent temperature reached 35.5 °C on 4 July 2015, and the lowest was -28.0 °C on 13 February 1940.
Compare Bremerhaven with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bremerhaven