Piton Saint-Leu climate — normals and trends
Piton Saint-Leu (Réunion) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 22.3 °C and it receives 1,121 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 February (24.9 °C on average) and the coldest is August (19.6 °C). Rainfall peaks in January.
Piton Saint-Leu averages 0 frost days, 0 hot days (≥ 30 °C) and 172 rainy days per year.
Piton Saint-Leu has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 29.5 °C (on 19 February 2019) and the coldest 14.8 °C (on 3 September 1943).
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
Piton Saint-LeuReunion
- coords
- -21.22°, 55.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.3°C
Average daily high
23.8°C
Average daily low
21.1°C
Annual rainfall
1,121mm
Sunshine / day
11.3h
Mean relative humidity
77%
Average peak wind
14.3km/h
Seasonal range
5.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
172 d/yr
Annual snowfall
0.0 cm
Average feels-like high
26.7 °C
Average feels-like low
22.7 °C
Average peak gust
29.4 km/h
Tropical nights (≥ 20 °C)
230 d/yr
Solar radiation
20.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.47 · 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
29.5 °C
19 February 2019
Coldest day
14.8 °C
3 September 1943
Wettest day
166 mm
28 February 1964
Windiest day
76.3 km/h
28 February 1964
Strongest gust
174.2 km/h
28 February 1960
Hottest feels-like
36.6 °C
27 February 1983
Coldest feels-like
10.4 °C
2 September 1943
Sunniest day
13.1 h
15 December 2012
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 | 26.9 °C | +0.9 °C | 191 mm | -23 mm |
| Feb | 27.4 °C | +1.2 °C | 400 mm | +208 mm |
| Mar | 26.9 °C | +0.9 °C | 205 mm | +35 mm |
| Apr | 26.6 °C | +1.4 °C | 40 mm | -52 mm |
| May | 24.9 °C | +1.3 °C | 19 mm | -33 mm |
| Jun | 22.8 °C | +0.6 °C | 23 mm | -10 mm |
| Jul | 21.7 °C | +0.3 °C | 34 mm | +7 mm |
| Aug | 21.3 °C | 0.0 °C | 37 mm | +3 mm |
| Sep | 22.4 °C | +0.6 °C | 22 mm | -13 mm |
| Oct | 23.3 °C | +0.5 °C | 43 mm | -4 mm |
| Nov | 24.4 °C | +0.5 °C | 99 mm | +16 mm |
| Dec | 25.5 °C | +0.3 °C | 231 mm | +88 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 Piton Saint-Leu?
Piton Saint-Leu has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.3 °C and it receives 1,121 mm of precipitation per year.
What is the hottest day ever recorded in Piton Saint-Leu?
The hottest day measured in Piton Saint-Leu between 1940 and 2025 was 19 February 2019, reaching 29.5 °C.
What is the coldest day in Piton Saint-Leu?
The coldest day measured in Piton Saint-Leu between 1940 and 2025 was 3 September 1943, at 14.8 °C.
Does it snow in Piton Saint-Leu?
Almost never: Piton Saint-Leu sees virtually no snow, with about 0 frost days per year.
Has the climate of Piton Saint-Leu warmed?
Yes: Piton Saint-Leu warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Piton Saint-Leu?
The wettest day measured in Piton Saint-Leu between 1940 and 2025 was 28 February 1964, with 166 mm of rain in 24 hours.
What was the windiest day in Piton Saint-Leu?
The windiest day measured in Piton Saint-Leu between 1940 and 2025 was 28 February 1964, with winds reaching 76.3 km/h.
What is the warmest month in Piton Saint-Leu?
The warmest month in Piton Saint-Leu is February (24.9 °C on average); the coldest is August (19.6 °C).
How much does it rain in Piton Saint-Leu?
Piton Saint-Leu receives on average 1,121 mm of precipitation per year, spread over about 172 rainy days.
Is it sunny in Piton Saint-Leu?
Piton Saint-Leu gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.
Are there tropical nights in Piton Saint-Leu?
Yes: Piton Saint-Leu has on average 230 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Piton Saint-Leu?
In Piton Saint-Leu, between 1940 and 2025, the highest apparent temperature reached 36.6 °C on 27 February 1983, and the lowest was 10.4 °C on 2 September 1943.
Compare Piton Saint-Leu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Piton Saint-Leu