Troyes climate — normals and trends
Troyes (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.9 °C and it receives 776 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 (19.3 °C on average) and the coldest is January (2.8 °C). Rainfall peaks in December.
Troyes averages 50 frost days, 8 hot days (≥ 30 °C) and 139 rainy days per year.
Troyes has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 62 to 38 per year over the period.
The hottest day of the period reached 41.0 °C (on 25 July 2019) and the coldest -21.4 °C (on 22 January 1942).
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
TroyesGrand Est
- coords
- 48.30°, 4.09°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.9°C
Average daily high
14.8°C
Average daily low
7.2°C
Annual rainfall
776mm
Sunshine / day
7.9h
Mean relative humidity
78%
Average peak wind
17.9km/h
Seasonal range
16.5°C
Frost days (< 0 °C)
50 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
139 d/yr
Annual snowfall
17.3 cm
Average feels-like high
12.7 °C
Average feels-like low
4.5 °C
Average peak gust
35.7 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
11.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.35 · 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
41.0 °C
25 July 2019
Coldest day
-21.4 °C
22 January 1942
Wettest day
61 mm
22 August 1947
Windiest day
63.3 km/h
26 December 1999
Strongest gust
135.7 km/h
26 December 1999
Hottest feels-like
41.3 °C
24 July 2019
Coldest feels-like
-26.7 °C
9 January 1985
Snowiest day
12.7 cm
7 February 1958
Sunniest day
15.5 h
29 June 2019
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 | 7.0 °C | +1.7 °C | 107 mm | +40 mm |
| Feb | 8.2 °C | +1.2 °C | 48 mm | -12 mm |
| Mar | 13.9 °C | +2.9 °C | 32 mm | -28 mm |
| Apr | 18.3 °C | +3.8 °C | 40 mm | -21 mm |
| May | 20.7 °C | +2.4 °C | 32 mm | -40 mm |
| Jun | 27.4 °C | +5.6 °C | 46 mm | -19 mm |
| Jul | 25.5 °C | +1.4 °C | 99 mm | +39 mm |
| Aug | 26.3 °C | +2.5 °C | 64 mm | +4 mm |
| Sep | 20.3 °C | -0.2 °C | 116 mm | +54 mm |
| Oct | 15.9 °C | +0.4 °C | 74 mm | +7 mm |
| Nov | 11.3 °C | +1.9 °C | 78 mm | +9 mm |
| Dec | 8.6 °C | +2.4 °C | 43 mm | -30 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 Troyes?
Troyes has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 10.9 °C and it receives 776 mm of precipitation per year.
What is the hottest day ever recorded in Troyes?
The hottest day measured in Troyes between 1940 and 2025 was 25 July 2019, reaching 41.0 °C.
What is the coldest day in Troyes?
The coldest day measured in Troyes between 1940 and 2025 was 22 January 1942, at -21.4 °C.
Does it snow in Troyes?
Yes. Troyes gets on average 17.3 cm of snow per year and has around 50 frost days.
Has the climate of Troyes warmed?
Yes: Troyes warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Troyes?
The wettest day measured in Troyes between 1940 and 2025 was 22 August 1947, with 61 mm of rain in 24 hours.
What was the windiest day in Troyes?
The windiest day measured in Troyes between 1940 and 2025 was 26 December 1999, with winds reaching 63.3 km/h.
What is the warmest month in Troyes?
The warmest month in Troyes is July (19.3 °C on average); the coldest is January (2.8 °C).
How much does it rain in Troyes?
Troyes receives on average 776 mm of precipitation per year, spread over about 139 rainy days.
Is it sunny in Troyes?
Troyes gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Troyes?
The heaviest 24-hour snowfall measured in Troyes between 1940 and 2025 was 7 February 1958, with 12.7 cm.
Are there tropical nights in Troyes?
Yes: Troyes has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Troyes?
In Troyes, between 1940 and 2025, the highest apparent temperature reached 41.3 °C on 24 July 2019, and the lowest was -26.7 °C on 9 January 1985.
Compare Troyes with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Troyes