Marten climate — normals and trends
Marten (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.5 °C and it receives 904 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 (17.6 °C on average) and the coldest is January (1.4 °C). Rainfall peaks in July.
Marten averages 59 frost days, 4 hot days (≥ 30 °C) and 163 rainy days per year.
Marten has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 76 to 42 per year over the period.
The hottest day of the period reached 37.6 °C (on 25 July 2019) and the coldest -24.5 °C (on 27 January 1942).
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
MartenNorth Rhine-Westphalia
- coords
- 51.51°, 7.38°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.5°C
Average daily high
12.9°C
Average daily low
6.2°C
Annual rainfall
904mm
Sunshine / day
7.3h
Mean relative humidity
79%
Average peak wind
18.6km/h
Seasonal range
16.2°C
Frost days (< 0 °C)
59 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
163 d/yr
Annual snowfall
41.0 cm
Average feels-like high
10.4 °C
Average feels-like low
3.3 °C
Average peak gust
38.3 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.45 · 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
37.6 °C
25 July 2019
Coldest day
-24.5 °C
27 January 1942
Wettest day
70 mm
14 July 2021
Windiest day
57.0 km/h
13 November 1972
Strongest gust
128.2 km/h
18 January 2007
Hottest feels-like
39.8 °C
25 July 2019
Coldest feels-like
-29.7 °C
27 January 1942
Snowiest day
14.6 cm
7 February 2021
Sunniest day
15.5 h
19 June 2000
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 4.8 °C | +1.4 °C | 143 mm | +67 mm |
| Feb | 6.3 °C | +1.6 °C | 28 mm | -38 mm |
| Mar | 12.7 °C | +4.1 °C | 17 mm | -55 mm |
| Apr | 16.5 °C | +3.6 °C | 81 mm | +16 mm |
| May | 19.8 °C | +2.7 °C | 41 mm | -33 mm |
| Jun | 23.9 °C | +3.8 °C | 61 mm | -20 mm |
| Jul | 24.2 °C | +2.4 °C | 84 mm | -4 mm |
| Aug | 25.1 °C | +3.5 °C | 36 mm | -47 mm |
| Sep | 19.7 °C | +1.4 °C | 82 mm | +11 mm |
| Oct | 13.4 °C | -0.1 °C | 103 mm | +35 mm |
| Nov | 9.8 °C | +1.9 °C | 71 mm | -6 mm |
| Dec | 7.4 °C | +2.7 °C | 35 mm | -47 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 Marten?
Marten has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.5 °C and it receives 904 mm of precipitation per year.
What is the hottest day ever recorded in Marten?
The hottest day measured in Marten between 1940 and 2025 was 25 July 2019, reaching 37.6 °C.
What is the coldest day in Marten?
The coldest day measured in Marten between 1940 and 2025 was 27 January 1942, at -24.5 °C.
Does it snow in Marten?
Yes. Marten gets on average 41.0 cm of snow per year and has around 59 frost days.
Has the climate of Marten warmed?
Yes: Marten warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Marten?
The wettest day measured in Marten between 1940 and 2025 was 14 July 2021, with 70 mm of rain in 24 hours.
What was the windiest day in Marten?
The windiest day measured in Marten between 1940 and 2025 was 13 November 1972, with winds reaching 57.0 km/h.
What is the warmest month in Marten?
The warmest month in Marten is July (17.6 °C on average); the coldest is January (1.4 °C).
How much does it rain in Marten?
Marten receives on average 904 mm of precipitation per year, spread over about 163 rainy days.
Is it sunny in Marten?
Marten gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Marten?
The heaviest 24-hour snowfall measured in Marten between 1940 and 2025 was 7 February 2021, with 14.6 cm.
Are there tropical nights in Marten?
Yes: Marten has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Marten?
In Marten, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 25 July 2019, and the lowest was -29.7 °C on 27 January 1942.
Compare Marten with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Marten