Passy climate — normals and trends
Passy (France) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 2.3 °C and it receives 1,775 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 (12.4 °C on average) and the coldest is January (-8.2 °C). Rainfall peaks in December.
Passy averages 209 frost days, 0 hot days (≥ 30 °C) and 185 rainy days per year.
Passy has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 233 to 185 per year over the period.
The hottest day of the period reached 28.7 °C (on 31 July 1983) and the coldest -34.4 °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
PassyRhône-Alpes
- coords
- 45.92°, 6.70°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.3°C
Average daily high
7.0°C
Average daily low
-2.4°C
Annual rainfall
1,775mm
Sunshine / day
8.5h
Mean relative humidity
79%
Average peak wind
6.7km/h
Seasonal range
20.6°C
Frost days (< 0 °C)
209 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
185 d/yr
Annual snowfall
612.5 cm
Average feels-like high
4.9 °C
Average feels-like low
-5.5 °C
Average peak gust
39.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
14.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °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
28.7 °C
31 July 1983
Coldest day
-34.4 °C
7 January 1985
Wettest day
94 mm
14 February 1990
Windiest day
15.2 km/h
27 February 1990
Strongest gust
153.4 km/h
27 February 1990
Hottest feels-like
29.8 °C
26 June 2019
Coldest feels-like
-39.2 °C
7 January 1985
Snowiest day
58.7 cm
14 February 1990
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 | 0.0 °C | +3.8 °C | 230 mm | +72 mm |
| Feb | 2.1 °C | +3.3 °C | 61 mm | -86 mm |
| Mar | 5.2 °C | +2.8 °C | 56 mm | -82 mm |
| Apr | 10.4 °C | +4.7 °C | 155 mm | +26 mm |
| May | 12.5 °C | +2.2 °C | 200 mm | +47 mm |
| Jun | 21.3 °C | +6.7 °C | 134 mm | -30 mm |
| Jul | 17.9 °C | +0.6 °C | 194 mm | +34 mm |
| Aug | 19.9 °C | +2.9 °C | 123 mm | -27 mm |
| Sep | 14.2 °C | +0.3 °C | 173 mm | +50 mm |
| Oct | 9.2 °C | +0.1 °C | 237 mm | +115 mm |
| Nov | 4.1 °C | +2.3 °C | 166 mm | +11 mm |
| Dec | 1.1 °C | +4.3 °C | 37 mm | -136 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 Passy?
Passy has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 2.3 °C and it receives 1,775 mm of precipitation per year.
What is the hottest day ever recorded in Passy?
The hottest day measured in Passy between 1940 and 2025 was 31 July 1983, reaching 28.7 °C.
What is the coldest day in Passy?
The coldest day measured in Passy between 1940 and 2025 was 7 January 1985, at -34.4 °C.
Does it snow in Passy?
Yes. Passy gets on average 612.5 cm of snow per year and has around 209 frost days.
Has the climate of Passy warmed?
Yes: Passy warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Passy?
The wettest day measured in Passy between 1940 and 2025 was 14 February 1990, with 94 mm of rain in 24 hours.
What was the windiest day in Passy?
The windiest day measured in Passy between 1940 and 2025 was 27 February 1990, with winds reaching 15.2 km/h.
What is the warmest month in Passy?
The warmest month in Passy is July (12.4 °C on average); the coldest is January (-8.2 °C).
How much does it rain in Passy?
Passy receives on average 1,775 mm of precipitation per year, spread over about 185 rainy days.
Is it sunny in Passy?
Passy gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Passy?
The heaviest 24-hour snowfall measured in Passy between 1940 and 2025 was 14 February 1990, with 58.7 cm.
Are there tropical nights in Passy?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Passy.
What was the most extreme apparent temperature in Passy?
In Passy, between 1940 and 2025, the highest apparent temperature reached 29.8 °C on 26 June 2019, and the lowest was -39.2 °C on 7 January 1985.
Compare Passy with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Passy