Pontarlier climate — normals and trends
Pontarlier (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.9 °C and it receives 1,577 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 (17.6 °C on average) and the coldest is January (0.2 °C). Rainfall peaks in May.
Pontarlier averages 80 frost days, 3 hot days (≥ 30 °C) and 182 rainy days per year.
Pontarlier has warmed by +2.2 °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 97 to 63 per year over the period.
The hottest day of the period reached 36.0 °C (on 25 July 2019) and the coldest -22.0 °C (on 9 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
PontarlierBourgogne
- coords
- 46.90°, 6.36°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.9°C
Average daily high
12.6°C
Average daily low
5.4°C
Annual rainfall
1,577mm
Sunshine / day
8.7h
Mean relative humidity
79%
Average peak wind
14.3km/h
Seasonal range
17.4°C
Frost days (< 0 °C)
80 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
182 d/yr
Annual snowfall
158.6 cm
Average feels-like high
10.5 °C
Average feels-like low
3.0 °C
Average peak gust
34.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
12.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.51 · 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
36.0 °C
25 July 2019
Coldest day
-22.0 °C
9 January 1985
Wettest day
82 mm
10 June 1953
Windiest day
49.9 km/h
26 December 1999
Strongest gust
136.8 km/h
26 December 1999
Hottest feels-like
38.5 °C
26 June 2019
Coldest feels-like
-29.2 °C
10 February 1956
Snowiest day
25.9 cm
21 March 2008
Sunniest day
15.0 h
2 July 2022
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 | 5.7 °C | +2.9 °C | 158 mm | +30 mm |
| Feb | 6.9 °C | +2.3 °C | 84 mm | -35 mm |
| Mar | 11.1 °C | +2.5 °C | 74 mm | -44 mm |
| Apr | 15.7 °C | +3.3 °C | 113 mm | -13 mm |
| May | 17.3 °C | +0.9 °C | 114 mm | -41 mm |
| Jun | 25.0 °C | +5.1 °C | 139 mm | -10 mm |
| Jul | 22.5 °C | +0.4 °C | 153 mm | +23 mm |
| Aug | 24.7 °C | +3.0 °C | 154 mm | +12 mm |
| Sep | 18.0 °C | -0.2 °C | 195 mm | +72 mm |
| Oct | 13.3 °C | -0.1 °C | 184 mm | +69 mm |
| Nov | 8.7 °C | +1.4 °C | 174 mm | +37 mm |
| Dec | 6.7 °C | +3.0 °C | 51 mm | -86 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 Pontarlier?
Pontarlier has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.9 °C and it receives 1,577 mm of precipitation per year.
What is the hottest day ever recorded in Pontarlier?
The hottest day measured in Pontarlier between 1940 and 2025 was 25 July 2019, reaching 36.0 °C.
What is the coldest day in Pontarlier?
The coldest day measured in Pontarlier between 1940 and 2025 was 9 January 1985, at -22.0 °C.
Does it snow in Pontarlier?
Yes. Pontarlier gets on average 158.6 cm of snow per year and has around 80 frost days.
Has the climate of Pontarlier warmed?
Yes: Pontarlier warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pontarlier?
The wettest day measured in Pontarlier between 1940 and 2025 was 10 June 1953, with 82 mm of rain in 24 hours.
What was the windiest day in Pontarlier?
The windiest day measured in Pontarlier between 1940 and 2025 was 26 December 1999, with winds reaching 49.9 km/h.
What is the warmest month in Pontarlier?
The warmest month in Pontarlier is July (17.6 °C on average); the coldest is January (0.2 °C).
How much does it rain in Pontarlier?
Pontarlier receives on average 1,577 mm of precipitation per year, spread over about 182 rainy days.
Is it sunny in Pontarlier?
Pontarlier 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 Pontarlier?
The heaviest 24-hour snowfall measured in Pontarlier between 1940 and 2025 was 21 March 2008, with 25.9 cm.
Are there tropical nights in Pontarlier?
Yes: Pontarlier has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pontarlier?
In Pontarlier, between 1940 and 2025, the highest apparent temperature reached 38.5 °C on 26 June 2019, and the lowest was -29.2 °C on 10 February 1956.
Compare Pontarlier with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pontarlier