Traun climate — normals and trends
Traun (Austria) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.2 °C and it receives 825 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 (18.9 °C on average) and the coldest is January (-1.2 °C). Rainfall peaks in July.
Traun averages 87 frost days, 7 hot days (≥ 30 °C) and 144 rainy days per year.
Traun has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The number of frost days there went from about 113 to 61 per year over the period.
The hottest day of the period reached 36.6 °C (on 13 August 2003) and the coldest -28.2 °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
TraunUpper Austria
- coords
- 48.22°, 14.24°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.2°C
Average daily high
13.2°C
Average daily low
5.5°C
Annual rainfall
825mm
Sunshine / day
8.1h
Mean relative humidity
77%
Average peak wind
14.9km/h
Seasonal range
20.1°C
Frost days (< 0 °C)
87 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
144 d/yr
Annual snowfall
71.0 cm
Average feels-like high
11.1 °C
Average feels-like low
3.0 °C
Average peak gust
32.9 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.60 · 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
36.6 °C
13 August 2003
Coldest day
-28.2 °C
10 February 1956
Wettest day
130 mm
7 August 2002
Windiest day
49.3 km/h
19 January 2007
Strongest gust
127.1 km/h
19 January 2007
Hottest feels-like
39.1 °C
6 July 1957
Coldest feels-like
-33.5 °C
10 February 1956
Snowiest day
22.1 cm
2 March 1987
Sunniest day
15.7 h
21 June 2025
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 | 4.2 °C | +2.7 °C | 37 mm | -17 mm |
| Feb | 5.4 °C | +1.4 °C | 11 mm | -42 mm |
| Mar | 12.1 °C | +3.2 °C | 79 mm | +18 mm |
| Apr | 17.4 °C | +3.4 °C | 36 mm | -28 mm |
| May | 18.0 °C | -0.6 °C | 71 mm | -12 mm |
| Jun | 27.0 °C | +5.1 °C | 44 mm | -50 mm |
| Jul | 24.3 °C | +0.6 °C | 148 mm | +51 mm |
| Aug | 25.8 °C | +2.3 °C | 57 mm | -27 mm |
| Sep | 21.0 °C | +1.6 °C | 53 mm | -11 mm |
| Oct | 13.1 °C | -0.5 °C | 73 mm | +18 mm |
| Nov | 6.8 °C | 0.0 °C | 54 mm | -2 mm |
| Dec | 3.5 °C | +0.9 °C | 22 mm | -37 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 Traun?
Traun has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.2 °C and it receives 825 mm of precipitation per year.
What is the hottest day ever recorded in Traun?
The hottest day measured in Traun between 1940 and 2025 was 13 August 2003, reaching 36.6 °C.
What is the coldest day in Traun?
The coldest day measured in Traun between 1940 and 2025 was 10 February 1956, at -28.2 °C.
Does it snow in Traun?
Yes. Traun gets on average 71.0 cm of snow per year and has around 87 frost days.
Has the climate of Traun warmed?
Yes: Traun warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Traun?
The wettest day measured in Traun between 1940 and 2025 was 7 August 2002, with 130 mm of rain in 24 hours.
What was the windiest day in Traun?
The windiest day measured in Traun between 1940 and 2025 was 19 January 2007, with winds reaching 49.3 km/h.
What is the warmest month in Traun?
The warmest month in Traun is July (18.9 °C on average); the coldest is January (-1.2 °C).
How much does it rain in Traun?
Traun receives on average 825 mm of precipitation per year, spread over about 144 rainy days.
Is it sunny in Traun?
Traun 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 Traun?
The heaviest 24-hour snowfall measured in Traun between 1940 and 2025 was 2 March 1987, with 22.1 cm.
Are there tropical nights in Traun?
Yes: Traun has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Traun?
In Traun, between 1940 and 2025, the highest apparent temperature reached 39.1 °C on 6 July 1957, and the lowest was -33.5 °C on 10 February 1956.
Compare Traun with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Traun