Orthez climate — normals and trends
Orthez (France) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 13.7 °C and it receives 959 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 August (21.0 °C on average) and the coldest is January (6.4 °C). Rainfall peaks in December.
Orthez averages 24 frost days, 20 hot days (≥ 30 °C) and 146 rainy days per year.
Orthez has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 31 to 17 per year over the period.
The hottest day of the period reached 40.5 °C (on 18 July 2022) and the coldest -15.8 °C (on 19 January 1987).
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
OrthezNew Aquitaine
- coords
- 43.49°, -0.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.7°C
Average daily high
18.5°C
Average daily low
9.4°C
Annual rainfall
959mm
Sunshine / day
9.0h
Mean relative humidity
77%
Average peak wind
13.5km/h
Seasonal range
14.6°C
Frost days (< 0 °C)
24 d/yr
Hot days (≥ 30 °C)
20 d/yr
Rainy days (≥ 1 mm)
146 d/yr
Annual snowfall
4.0 cm
Average feels-like high
17.7 °C
Average feels-like low
8.0 °C
Average peak gust
29.8 km/h
Tropical nights (≥ 20 °C)
4 d/yr
Solar radiation
13.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.54 · 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
40.5 °C
18 July 2022
Coldest day
-15.8 °C
19 January 1987
Wettest day
66 mm
10 October 2010
Windiest day
55.4 km/h
27 December 1999
Strongest gust
123.5 km/h
24 January 2009
Hottest feels-like
43.9 °C
18 June 2022
Coldest feels-like
-20.0 °C
19 January 1987
Snowiest day
11.5 cm
4 January 1997
Sunniest day
14.7 h
23 June 2010
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 | 13.2 °C | +2.7 °C | 119 mm | +21 mm |
| Feb | 15.5 °C | +3.3 °C | 48 mm | -38 mm |
| Mar | 15.9 °C | +0.6 °C | 76 mm | -8 mm |
| Apr | 19.7 °C | +2.3 °C | 86 mm | -6 mm |
| May | 22.2 °C | +1.5 °C | 66 mm | -22 mm |
| Jun | 28.4 °C | +4.3 °C | 57 mm | -7 mm |
| Jul | 27.2 °C | +0.9 °C | 43 mm | -1 mm |
| Aug | 30.0 °C | +3.5 °C | 70 mm | +15 mm |
| Sep | 24.5 °C | +0.3 °C | 51 mm | -14 mm |
| Oct | 22.3 °C | +2.3 °C | 41 mm | -40 mm |
| Nov | 16.2 °C | +2.0 °C | 127 mm | +26 mm |
| Dec | 12.8 °C | +1.8 °C | 63 mm | -40 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 Orthez?
Orthez has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 13.7 °C and it receives 959 mm of precipitation per year.
What is the hottest day ever recorded in Orthez?
The hottest day measured in Orthez between 1940 and 2025 was 18 July 2022, reaching 40.5 °C.
What is the coldest day in Orthez?
The coldest day measured in Orthez between 1940 and 2025 was 19 January 1987, at -15.8 °C.
Does it snow in Orthez?
Yes. Orthez gets on average 4.0 cm of snow per year and has around 24 frost days.
Has the climate of Orthez warmed?
Yes: Orthez warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Orthez?
The wettest day measured in Orthez between 1940 and 2025 was 10 October 2010, with 66 mm of rain in 24 hours.
What was the windiest day in Orthez?
The windiest day measured in Orthez between 1940 and 2025 was 27 December 1999, with winds reaching 55.4 km/h.
What is the warmest month in Orthez?
The warmest month in Orthez is August (21.0 °C on average); the coldest is January (6.4 °C).
How much does it rain in Orthez?
Orthez receives on average 959 mm of precipitation per year, spread over about 146 rainy days.
Is it sunny in Orthez?
Orthez gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Orthez?
The heaviest 24-hour snowfall measured in Orthez between 1940 and 2025 was 4 January 1997, with 11.5 cm.
Are there tropical nights in Orthez?
Yes: Orthez has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Orthez?
In Orthez, between 1940 and 2025, the highest apparent temperature reached 43.9 °C on 18 June 2022, and the lowest was -20.0 °C on 19 January 1987.
Compare Orthez with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Orthez