Regen climate — normals and trends
Regen (Germany) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.4 °C and it receives 1,245 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 (15.9 °C on average) and the coldest is January (-3.6 °C). Rainfall peaks in July.
Regen averages 131 frost days, 1 hot days (≥ 30 °C) and 178 rainy days per year.
Regen has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 149 to 113 per year over the period.
The hottest day of the period reached 33.3 °C (on 28 July 2013) and the coldest -28.9 °C (on 10 February 1956).
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
RegenBavaria
- coords
- 48.97°, 13.13°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.4°C
Average daily high
10.2°C
Average daily low
2.8°C
Annual rainfall
1,245mm
Sunshine / day
8.1h
Mean relative humidity
82%
Average peak wind
12.4km/h
Seasonal range
19.5°C
Frost days (< 0 °C)
131 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
178 d/yr
Annual snowfall
189.8 cm
Average feels-like high
8.0 °C
Average feels-like low
0.2 °C
Average peak gust
34.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.47 · 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
33.3 °C
28 July 2013
Coldest day
-28.9 °C
10 February 1956
Wettest day
67 mm
12 August 2002
Windiest day
42.8 km/h
1 March 1990
Strongest gust
137.5 km/h
19 January 2007
Hottest feels-like
36.3 °C
7 July 1957
Coldest feels-like
-34.3 °C
10 February 1956
Snowiest day
25.6 cm
30 March 1979
Sunniest day
15.7 h
13 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 | 1.5 °C | +2.6 °C | 80 mm | -8 mm |
| Feb | 2.3 °C | +1.6 °C | 25 mm | -55 mm |
| Mar | 9.7 °C | +4.5 °C | 63 mm | -20 mm |
| Apr | 14.6 °C | +4.0 °C | 40 mm | -46 mm |
| May | 15.5 °C | -0.1 °C | 81 mm | -50 mm |
| Jun | 23.0 °C | +4.2 °C | 94 mm | -58 mm |
| Jul | 21.1 °C | +0.6 °C | 187 mm | +32 mm |
| Aug | 22.4 °C | +2.1 °C | 121 mm | -16 mm |
| Sep | 17.3 °C | +0.9 °C | 102 mm | +11 mm |
| Oct | 10.0 °C | -1.0 °C | 104 mm | +32 mm |
| Nov | 4.5 °C | +0.4 °C | 56 mm | -21 mm |
| Dec | 1.9 °C | +1.8 °C | 23 mm | -72 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 Regen?
Regen has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.4 °C and it receives 1,245 mm of precipitation per year.
What is the hottest day ever recorded in Regen?
The hottest day measured in Regen between 1940 and 2025 was 28 July 2013, reaching 33.3 °C.
What is the coldest day in Regen?
The coldest day measured in Regen between 1940 and 2025 was 10 February 1956, at -28.9 °C.
Does it snow in Regen?
Yes. Regen gets on average 189.8 cm of snow per year and has around 131 frost days.
Has the climate of Regen warmed?
Yes: Regen warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Regen?
The wettest day measured in Regen between 1940 and 2025 was 12 August 2002, with 67 mm of rain in 24 hours.
What was the windiest day in Regen?
The windiest day measured in Regen between 1940 and 2025 was 1 March 1990, with winds reaching 42.8 km/h.
What is the warmest month in Regen?
The warmest month in Regen is July (15.9 °C on average); the coldest is January (-3.6 °C).
How much does it rain in Regen?
Regen receives on average 1,245 mm of precipitation per year, spread over about 178 rainy days.
Is it sunny in Regen?
Regen gets on average 8.1 hours of sunshine per day, roughly 2,957 hours per year over 1940-2025.
What is the biggest single-day snowfall in Regen?
The heaviest 24-hour snowfall measured in Regen between 1940 and 2025 was 30 March 1979, with 25.6 cm.
Are there tropical nights in Regen?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Regen.
What was the most extreme apparent temperature in Regen?
In Regen, between 1940 and 2025, the highest apparent temperature reached 36.3 °C on 7 July 1957, and the lowest was -34.3 °C on 10 February 1956.
Compare Regen with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Regen