Triesen climate — normals and trends
Triesen (Liechtenstein) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 3.9 °C and it receives 1,821 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 (13.3 °C on average) and the coldest is January (-5.9 °C). Rainfall peaks in July.
Triesen averages 182 frost days, 0 hot days (≥ 30 °C) and 198 rainy days per year.
Triesen has warmed by +3.1 °C between 1940 and 2025, or +0.36 °C per decade. This trend is statistically significant.
The number of frost days there went from about 213 to 151 per year over the period.
The hottest day of the period reached 29.4 °C (on 26 June 2019) and the coldest -31.9 °C (on 7 January 1985).
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
TriesenTriesen
- coords
- 47.11°, 9.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.9°C
Average daily high
8.5°C
Average daily low
-0.5°C
Annual rainfall
1,821mm
Sunshine / day
8.7h
Mean relative humidity
79%
Average peak wind
6.5km/h
Seasonal range
19.2°C
Frost days (< 0 °C)
182 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
198 d/yr
Annual snowfall
469.4 cm
Average feels-like high
6.6 °C
Average feels-like low
-3.3 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
13.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.1 °C
since 1940
+0.4 °C per decade · r² = 0.66 · 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
29.4 °C
26 June 2019
Coldest day
-31.9 °C
7 January 1985
Wettest day
97 mm
6 August 1985
Windiest day
14.6 km/h
28 June 1981
Strongest gust
124.9 km/h
27 February 1990
Hottest feels-like
31.3 °C
6 July 1957
Coldest feels-like
-36.6 °C
7 January 1985
Snowiest day
38.4 cm
20 January 1951
Sunniest day
15.0 h
5 June 1940
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 | 2.6 °C | +4.6 °C | 99 mm | -15 mm |
| Feb | 4.0 °C | +3.6 °C | 34 mm | -75 mm |
| Mar | 7.5 °C | +3.5 °C | 121 mm | -4 mm |
| Apr | 12.6 °C | +5.3 °C | 86 mm | -51 mm |
| May | 13.2 °C | +1.1 °C | 234 mm | +60 mm |
| Jun | 21.2 °C | +5.0 °C | 154 mm | -63 mm |
| Jul | 17.4 °C | -0.9 °C | 341 mm | +116 mm |
| Aug | 19.6 °C | +1.6 °C | 217 mm | +6 mm |
| Sep | 15.2 °C | +0.2 °C | 201 mm | +54 mm |
| Oct | 10.1 °C | -0.2 °C | 104 mm | -12 mm |
| Nov | 5.8 °C | +2.4 °C | 115 mm | -11 mm |
| Dec | 4.5 °C | +5.9 °C | 30 mm | -89 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 Triesen?
Triesen has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 3.9 °C and it receives 1,821 mm of precipitation per year.
What is the hottest day ever recorded in Triesen?
The hottest day measured in Triesen between 1940 and 2025 was 26 June 2019, reaching 29.4 °C.
What is the coldest day in Triesen?
The coldest day measured in Triesen between 1940 and 2025 was 7 January 1985, at -31.9 °C.
Does it snow in Triesen?
Yes. Triesen gets on average 469.4 cm of snow per year and has around 182 frost days.
Has the climate of Triesen warmed?
Yes: Triesen warmed by +3.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Triesen?
The wettest day measured in Triesen between 1940 and 2025 was 6 August 1985, with 97 mm of rain in 24 hours.
What was the windiest day in Triesen?
The windiest day measured in Triesen between 1940 and 2025 was 28 June 1981, with winds reaching 14.6 km/h.
What is the warmest month in Triesen?
The warmest month in Triesen is July (13.3 °C on average); the coldest is January (-5.9 °C).
How much does it rain in Triesen?
Triesen receives on average 1,821 mm of precipitation per year, spread over about 198 rainy days.
Is it sunny in Triesen?
Triesen gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Triesen?
The heaviest 24-hour snowfall measured in Triesen between 1940 and 2025 was 20 January 1951, with 38.4 cm.
Are there tropical nights in Triesen?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Triesen.
What was the most extreme apparent temperature in Triesen?
In Triesen, between 1940 and 2025, the highest apparent temperature reached 31.3 °C on 6 July 1957, and the lowest was -36.6 °C on 7 January 1985.
Compare Triesen with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Triesen