Ottersweier climate — normals and trends
Ottersweier (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.7 °C and it receives 877 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 (19.8 °C on average) and the coldest is January (1.5 °C). Rainfall peaks in December.
Ottersweier averages 60 frost days, 11 hot days (≥ 30 °C) and 145 rainy days per year.
Ottersweier 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 75 to 45 per year over the period.
The hottest day of the period reached 40.1 °C (on 5 July 2015) and the coldest -23.4 °C (on 13 January 1987).
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
OttersweierBaden-Wurttemberg
- coords
- 48.67°, 8.11°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.7°C
Average daily high
14.6°C
Average daily low
7.0°C
Annual rainfall
877mm
Sunshine / day
7.9h
Mean relative humidity
76%
Average peak wind
14.5km/h
Seasonal range
18.3°C
Frost days (< 0 °C)
60 d/yr
Hot days (≥ 30 °C)
11 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
33.1 cm
Average feels-like high
12.6 °C
Average feels-like low
4.7 °C
Average peak gust
32.6 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
11.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.42 · 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
40.1 °C
5 July 2015
Coldest day
-23.4 °C
13 January 1987
Wettest day
66 mm
29 October 1998
Windiest day
54.8 km/h
26 December 1999
Strongest gust
126.0 km/h
26 December 1999
Hottest feels-like
40.5 °C
6 July 1952
Coldest feels-like
-28.8 °C
13 January 1987
Snowiest day
14.1 cm
2 January 1969
Sunniest day
15.0 h
26 June 2023
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 | 6.7 °C | +2.7 °C | 98 mm | +18 mm |
| Feb | 7.2 °C | +1.2 °C | 54 mm | -18 mm |
| Mar | 13.6 °C | +3.0 °C | 14 mm | -57 mm |
| Apr | 17.9 °C | +3.1 °C | 39 mm | -24 mm |
| May | 21.7 °C | +2.6 °C | 53 mm | -24 mm |
| Jun | 27.8 °C | +5.3 °C | 58 mm | -13 mm |
| Jul | 25.9 °C | +1.3 °C | 86 mm | +19 mm |
| Aug | 27.1 °C | +2.9 °C | 51 mm | -14 mm |
| Sep | 20.5 °C | 0.0 °C | 149 mm | +86 mm |
| Oct | 15.3 °C | +0.4 °C | 87 mm | +17 mm |
| Nov | 9.9 °C | +1.4 °C | 63 mm | -21 mm |
| Dec | 7.1 °C | +2.1 °C | 29 mm | -63 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 Ottersweier?
Ottersweier has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.7 °C and it receives 877 mm of precipitation per year.
What is the hottest day ever recorded in Ottersweier?
The hottest day measured in Ottersweier between 1940 and 2025 was 5 July 2015, reaching 40.1 °C.
What is the coldest day in Ottersweier?
The coldest day measured in Ottersweier between 1940 and 2025 was 13 January 1987, at -23.4 °C.
Does it snow in Ottersweier?
Yes. Ottersweier gets on average 33.1 cm of snow per year and has around 60 frost days.
Has the climate of Ottersweier warmed?
Yes: Ottersweier warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ottersweier?
The wettest day measured in Ottersweier between 1940 and 2025 was 29 October 1998, with 66 mm of rain in 24 hours.
What was the windiest day in Ottersweier?
The windiest day measured in Ottersweier between 1940 and 2025 was 26 December 1999, with winds reaching 54.8 km/h.
What is the warmest month in Ottersweier?
The warmest month in Ottersweier is July (19.8 °C on average); the coldest is January (1.5 °C).
How much does it rain in Ottersweier?
Ottersweier receives on average 877 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Ottersweier?
Ottersweier gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ottersweier?
The heaviest 24-hour snowfall measured in Ottersweier between 1940 and 2025 was 2 January 1969, with 14.1 cm.
Are there tropical nights in Ottersweier?
Yes: Ottersweier has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ottersweier?
In Ottersweier, between 1940 and 2025, the highest apparent temperature reached 40.5 °C on 6 July 1952, and the lowest was -28.8 °C on 13 January 1987.
Compare Ottersweier with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ottersweier