Marly climate — normals and trends
Marly (Switzerland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.2 °C and it receives 1,433 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 (16.5 °C on average) and the coldest is January (-2.1 °C). Rainfall peaks in July.
Marly averages 121 frost days, 1 hot days (≥ 30 °C) and 173 rainy days per year.
Marly has warmed by +2.7 °C between 1940 and 2025, or +0.32 °C per decade. This trend is statistically significant.
The number of frost days there went from about 148 to 94 per year over the period.
The hottest day of the period reached 35.0 °C (on 7 July 2015) and the coldest -26.5 °C (on 18 January 1940).
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
MarlyCanton of Fribourg
- coords
- 46.78°, 7.16°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.2°C
Average daily high
11.5°C
Average daily low
3.2°C
Annual rainfall
1,433mm
Sunshine / day
8.8h
Mean relative humidity
78%
Average peak wind
10.2km/h
Seasonal range
18.6°C
Frost days (< 0 °C)
121 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
173 d/yr
Annual snowfall
213.4 cm
Average feels-like high
9.6 °C
Average feels-like low
0.6 °C
Average peak gust
30.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.68 · 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
35.0 °C
7 July 2015
Coldest day
-26.5 °C
18 January 1940
Wettest day
75 mm
27 September 1942
Windiest day
34.6 km/h
25 April 1972
Strongest gust
125.6 km/h
26 December 1999
Hottest feels-like
36.3 °C
7 July 2015
Coldest feels-like
-31.3 °C
19 January 1940
Snowiest day
25.2 cm
9 February 1999
Sunniest day
15.0 h
20 May 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 | 4.2 °C | +2.8 °C | 132 mm | +32 mm |
| Feb | 5.5 °C | +2.1 °C | 44 mm | -52 mm |
| Mar | 9.7 °C | +2.2 °C | 46 mm | -53 mm |
| Apr | 14.4 °C | +3.2 °C | 107 mm | -5 mm |
| May | 16.2 °C | +0.8 °C | 161 mm | +17 mm |
| Jun | 24.6 °C | +5.6 °C | 124 mm | -25 mm |
| Jul | 21.5 °C | +0.2 °C | 204 mm | +53 mm |
| Aug | 23.6 °C | +2.8 °C | 156 mm | +6 mm |
| Sep | 17.1 °C | -0.2 °C | 195 mm | +82 mm |
| Oct | 11.7 °C | -0.8 °C | 138 mm | +39 mm |
| Nov | 7.4 °C | +1.3 °C | 130 mm | +18 mm |
| Dec | 4.8 °C | +2.6 °C | 30 mm | -79 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 Marly?
Marly has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.2 °C and it receives 1,433 mm of precipitation per year.
What is the hottest day ever recorded in Marly?
The hottest day measured in Marly between 1940 and 2025 was 7 July 2015, reaching 35.0 °C.
What is the coldest day in Marly?
The coldest day measured in Marly between 1940 and 2025 was 18 January 1940, at -26.5 °C.
Does it snow in Marly?
Yes. Marly gets on average 213.4 cm of snow per year and has around 121 frost days.
Has the climate of Marly warmed?
Yes: Marly warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Marly?
The wettest day measured in Marly between 1940 and 2025 was 27 September 1942, with 75 mm of rain in 24 hours.
What was the windiest day in Marly?
The windiest day measured in Marly between 1940 and 2025 was 25 April 1972, with winds reaching 34.6 km/h.
What is the warmest month in Marly?
The warmest month in Marly is July (16.5 °C on average); the coldest is January (-2.1 °C).
How much does it rain in Marly?
Marly receives on average 1,433 mm of precipitation per year, spread over about 173 rainy days.
Is it sunny in Marly?
Marly gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Marly?
The heaviest 24-hour snowfall measured in Marly between 1940 and 2025 was 9 February 1999, with 25.2 cm.
Are there tropical nights in Marly?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Marly.
What was the most extreme apparent temperature in Marly?
In Marly, between 1940 and 2025, the highest apparent temperature reached 36.3 °C on 7 July 2015, and the lowest was -31.3 °C on 19 January 1940.
Compare Marly with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Marly