Saint-Pierre climate — normals and trends

Q: What is the climate of Saint-Pierre?

Saint-Pierre has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.7 °C and it receives 1,658 mm of precipitation per year.

Q: What is the hottest day ever recorded in Saint-Pierre?

The hottest day measured in Saint-Pierre between 1940 and 2025 was 10 January 2025, reaching 29.7 °C.

Q: What is the coldest day in Saint-Pierre?

The coldest day measured in Saint-Pierre between 1940 and 2025 was 6 August 1982, at 10.4 °C.

Q: Does it snow in Saint-Pierre?

Almost never: Saint-Pierre sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Saint-Pierre warmed?

Yes: Saint-Pierre warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Saint-Pierre?

The wettest day measured in Saint-Pierre between 1940 and 2025 was 29 January 1989, with 236 mm of rain in 24 hours.

Q: What was the windiest day in Saint-Pierre?

The windiest day measured in Saint-Pierre between 1940 and 2025 was 28 February 1964, with winds reaching 46.1 km/h.

Q: What is the warmest month in Saint-Pierre?

The warmest month in Saint-Pierre is January (22.5 °C on average); the coldest is July (16.6 °C).

Q: How much does it rain in Saint-Pierre?

Saint-Pierre receives on average 1,658 mm of precipitation per year, spread over about 235 rainy days.

Q: Is it sunny in Saint-Pierre?

Saint-Pierre gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.

Saint-Pierre (Réunion) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.7 °C and it receives 1,658 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 January (22.5 °C on average) and the coldest is July (16.6 °C). Rainfall peaks in January.

Saint-Pierre averages 0 frost days, 0 hot days (≥ 30 °C) and 235 rainy days per year.

Saint-Pierre has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.

The hottest day of the period reached 29.7 °C (on 10 January 2025) and the coldest 10.4 °C (on 6 August 1982).

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

Saint-PierreReunion

coords: -21.34°, 55.48°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthJanuaryDriest monthSeptember

Mean daily temperature

19.7°C

Average daily high

22.6°C

Average daily low

17.6°C

Annual rainfall

1,658mm

Sunshine / day

11.2h

Mean relative humidity

81%

Average peak wind

10.5km/h

Seasonal range

5.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

0 d/yr

Rainy days (≥ 1 mm)

235 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.0 °C

Average feels-like low

18.8 °C

Average peak gust

34.2 km/h

Tropical nights (≥ 20 °C)

88 d/yr

Solar radiation

20.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.8 °C

since 1940

+0.1 °C per decade · r² = 0.37 · p = < 0.001

19402025

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

29.7 °C

10 January 2025

Coldest day

10.4 °C

6 August 1982

Wettest day

236 mm

29 January 1989

Windiest day

46.1 km/h

28 February 1964

Strongest gust

195.1 km/h

28 February 1960

Hottest feels-like

35.6 °C

26 January 1998

Coldest feels-like

8.0 °C

2 September 1993

Sunniest day

13.1 h

17 December 1945

Year	Hottest day	Coldest day	Annual mean	Rainfall
2025	29.7 °C10 January 2025	12.9 °C4 July 2025	20.3 °C	1,820 mm
2024	28.3 °C23 December 2024	12.0 °C10 July 2024	20.1 °C	1,821 mm
2023	28.0 °C19 February 2023	13.0 °C27 June 2023	20.3 °C	1,842 mm
2022	27.8 °C22 January 2022	12.6 °C22 June 2022	19.5 °C	1,809 mm
2021	28.0 °C18 January 2021	12.0 °C23 August 2021	20.0 °C	1,394 mm
2020	28.3 °C14 February 2020	11.5 °C10 August 2020	19.6 °C	1,359 mm
2019	29.4 °C21 January 2019	12.7 °C13 July 2019	20.5 °C	1,119 mm
2018	27.7 °C23 December 2018	12.6 °C30 August 2018	20.1 °C	2,184 mm
2017	27.8 °C15 January 2017	12.6 °C4 August 2017	20.4 °C	1,340 mm
2016	27.6 °C23 January 2016	12.6 °C29 August 2016	19.9 °C	1,313 mm
2015	27.5 °C6 January 2015	12.9 °C10 July 2015	20.4 °C	1,893 mm
2014	28.2 °C4 December 2014	12.7 °C12 July 2014	20.4 °C	1,620 mm
2013	27.7 °C4 February 2013	12.3 °C7 August 2013	19.9 °C	1,622 mm
2012	28.1 °C19 December 2012	13.4 °C25 August 2012	20.1 °C	1,130 mm
2011	27.7 °C16 January 2011	13.0 °C14 July 2011	20.2 °C	1,319 mm
2010	27.9 °C21 December 2010	12.9 °C13 July 2010	20.2 °C	1,308 mm
2009	27.6 °C6 March 2009	12.6 °C3 August 2009	20.1 °C	1,619 mm
2008	27.1 °C22 December 2008	12.1 °C20 June 2008	19.8 °C	1,544 mm
2007	27.4 °C10 January 2007	12.4 °C28 September 2007	19.9 °C	1,521 mm
2006	28.4 °C16 February 2006	11.9 °C11 October 2006	20.3 °C	1,700 mm
2005	27.8 °C22 January 2005	11.7 °C25 August 2005	20.0 °C	1,317 mm
2004	27.7 °C17 December 2004	13.3 °C21 June 2004	20.1 °C	1,521 mm
2003	28.3 °C19 December 2003	11.3 °C2 August 2003	20.2 °C	1,485 mm
2002	27.9 °C7 March 2002	12.4 °C17 September 2002	19.8 °C	1,736 mm
2001	27.0 °C19 December 2001	11.5 °C2 August 2001	19.6 °C	1,328 mm
2000	26.9 °C1 April 2000	11.5 °C1 July 2000	19.3 °C	1,218 mm
1999	28.1 °C19 February 1999	11.4 °C9 October 1999	19.3 °C	934 mm
1998	29.0 °C26 January 1998	12.5 °C26 July 1998	19.7 °C	1,273 mm
1997	27.4 °C5 January 1997	12.3 °C15 September 1997	19.4 °C	1,186 mm
1996	27.8 °C7 February 1996	11.0 °C25 July 1996	19.3 °C	1,231 mm
1995	28.7 °C4 January 1995	12.4 °C28 August 1995	19.3 °C	1,962 mm
1994	26.9 °C25 December 1994	12.1 °C4 September 1994	19.5 °C	1,277 mm
1993	26.4 °C21 January 1993	10.6 °C2 September 1993	19.1 °C	1,963 mm
1992	27.8 °C31 January 1992	11.2 °C22 July 1992	19.2 °C	925 mm
1991	27.9 °C4 March 1991	11.1 °C14 August 1991	19.6 °C	1,174 mm
1990	27.8 °C5 February 1990	12.2 °C17 July 1990	19.5 °C	1,295 mm
1989	26.6 °C3 March 1989	12.3 °C30 September 1989	19.6 °C	1,839 mm
1988	29.1 °C28 January 1988	11.4 °C1 September 1988	19.7 °C	1,293 mm
1987	28.6 °C28 December 1987	12.6 °C10 August 1987	19.9 °C	2,299 mm
1986	26.9 °C26 January 1986	11.2 °C30 July 1986	19.3 °C	1,787 mm
1985	27.3 °C11 January 1985	11.9 °C21 August 1985	19.4 °C	1,824 mm
1984	26.9 °C26 January 1984	11.4 °C3 September 1984	19.3 °C	1,137 mm
1983	27.4 °C28 February 1983	11.4 °C1 September 1983	19.6 °C	1,166 mm
1982	27.2 °C27 March 1982	10.4 °C6 August 1982	19.7 °C	1,826 mm
1981	28.3 °C26 January 1981	12.5 °C28 July 1981	19.9 °C	1,848 mm
1980	29.0 °C4 January 1980	12.2 °C6 August 1980	20.1 °C	2,225 mm
1979	27.6 °C18 January 1979	12.4 °C10 September 1979	20.1 °C	1,472 mm
1978	28.3 °C31 January 1978	12.1 °C30 July 1978	20.0 °C	1,207 mm
1977	27.8 °C24 March 1977	12.0 °C16 August 1977	20.1 °C	2,065 mm
1976	27.5 °C24 November 1976	12.6 °C11 September 1976	20.0 °C	1,600 mm
1975	28.2 °C21 January 1975	11.0 °C9 September 1975	19.4 °C	1,506 mm
1974	27.1 °C25 January 1974	12.0 °C6 September 1974	19.3 °C	1,715 mm
1973	27.3 °C27 February 1973	12.5 °C21 August 1973	19.9 °C	1,777 mm
1972	28.4 °C15 December 1972	13.9 °C7 August 1972	20.0 °C	2,122 mm
1971	26.8 °C20 March 1971	12.4 °C29 July 1971	19.5 °C	1,634 mm
1970	27.2 °C15 January 1970	11.4 °C22 August 1970	19.6 °C	1,872 mm
1969	28.2 °C24 November 1969	10.7 °C30 August 1969	20.0 °C	2,058 mm
1968	27.5 °C26 January 1968	12.0 °C25 July 1968	19.4 °C	1,608 mm
1967	27.9 °C4 February 1967	12.6 °C3 September 1967	19.7 °C	1,956 mm
1966	27.5 °C20 February 1966	11.0 °C27 July 1966	19.4 °C	1,534 mm
1965	26.8 °C26 December 1965	12.1 °C13 August 1965	19.1 °C	1,958 mm
1964	26.7 °C27 February 1964	11.9 °C21 August 1964	19.0 °C	2,158 mm
1963	26.3 °C2 March 1963	11.8 °C5 September 1963	19.1 °C	1,503 mm
1962	27.0 °C16 February 1962	12.4 °C18 July 1962	19.2 °C	1,779 mm
1961	28.8 °C21 January 1961	11.6 °C1 August 1961	19.7 °C	1,698 mm
1960	26.5 °C9 December 1960	11.9 °C25 July 1960	19.3 °C	1,751 mm
1959	28.4 °C30 December 1959	12.5 °C29 July 1959	19.2 °C	2,301 mm
1958	27.5 °C7 March 1958	11.8 °C29 June 1958	19.4 °C	1,628 mm
1957	27.3 °C24 November 1957	11.9 °C19 July 1957	19.2 °C	1,430 mm
1956	27.1 °C2 March 1956	11.3 °C9 August 1956	19.3 °C	1,600 mm
1955	27.7 °C16 January 1955	11.7 °C1 September 1955	19.2 °C	1,463 mm
1954	28.7 °C25 January 1954	11.7 °C15 August 1954	19.4 °C	1,926 mm
1953	28.6 °C25 February 1953	11.7 °C4 September 1953	19.8 °C	2,301 mm
1952	28.9 °C9 January 1952	11.5 °C22 September 1952	19.6 °C	2,363 mm
1951	27.7 °C14 December 1951	12.0 °C7 August 1951	19.5 °C	1,460 mm
1950	28.3 °C1 January 1950	11.0 °C20 August 1950	19.1 °C	1,803 mm
1949	28.0 °C10 January 1949	11.7 °C27 July 1949	19.7 °C	1,616 mm
1948	26.7 °C10 November 1948	12.2 °C14 July 1948	19.6 °C	2,332 mm
1947	27.2 °C29 November 1947	12.0 °C18 August 1947	19.2 °C	1,905 mm
1946	28.7 °C20 February 1946	11.5 °C14 July 1946	19.5 °C	1,599 mm
1945	27.5 °C31 January 1945	11.8 °C17 August 1945	19.2 °C	1,501 mm
1944	28.1 °C28 January 1944	12.0 °C26 July 1944	19.4 °C	1,743 mm
1943	27.1 °C20 January 1943	10.7 °C3 September 1943	19.0 °C	2,313 mm
1942	27.5 °C3 January 1942	11.8 °C17 July 1942	19.3 °C	2,071 mm
1941	27.4 °C27 January 1941	12.3 °C12 August 1941	19.5 °C	2,068 mm
1940	26.6 °C25 December 1940	11.6 °C6 August 1940	19.7 °C	1,870 mm

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?

Year

Across the whole year

Average daily high

23.2 °C

+0.6 °C

Hot days (≥ 30 °C)

0 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1820 mm

+162 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	26.7 °C	+1.5 °C	169 mm	-118 mm
Feb	26.1 °C	+0.8 °C	363 mm	+91 mm
Mar	25.6 °C	+0.7 °C	319 mm	+86 mm
Apr	25.4 °C	+1.5 °C	85 mm	-57 mm
May	23.0 °C	+1.1 °C	78 mm	-23 mm
Jun	20.8 °C	+0.7 °C	53 mm	-13 mm
Jul	19.5 °C	+0.1 °C	71 mm	+10 mm
Aug	19.5 °C	-0.2 °C	96 mm	+35 mm
Sep	21.2 °C	+0.5 °C	33 mm	-17 mm
Oct	23.0 °C	+0.8 °C	49 mm	-14 mm
Nov	23.8 °C	+0.3 °C	172 mm	+52 mm
Dec	24.3 °C	-0.2 °C	333 mm	+130 mm

The year's extremes

Hottest day

29.7 °C

10 Jan 2025

Coldest day

12.9 °C

4 Jul 2025

Wettest day

99.9 mm

28 Feb 2025

Windiest day

26.5 km/h

28 Feb 2025

Strongest gust

109.8 km/h

28 Feb 2025

Hottest feels-like

35.1 °C

6 Feb 2025

Coldest feels-like

11.0 °C

2 Jul 2025

Sunniest day

13.0 h

16 Dec 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Saint-Pierre?

Saint-Pierre has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.7 °C and it receives 1,658 mm of precipitation per year.

What is the hottest day ever recorded in Saint-Pierre?

The hottest day measured in Saint-Pierre between 1940 and 2025 was 10 January 2025, reaching 29.7 °C.

What is the coldest day in Saint-Pierre?

The coldest day measured in Saint-Pierre between 1940 and 2025 was 6 August 1982, at 10.4 °C.

Does it snow in Saint-Pierre?

Almost never: Saint-Pierre sees virtually no snow, with about 0 frost days per year.

Has the climate of Saint-Pierre warmed?

Yes: Saint-Pierre warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Saint-Pierre?

The wettest day measured in Saint-Pierre between 1940 and 2025 was 29 January 1989, with 236 mm of rain in 24 hours.

What was the windiest day in Saint-Pierre?

The windiest day measured in Saint-Pierre between 1940 and 2025 was 28 February 1964, with winds reaching 46.1 km/h.

What is the warmest month in Saint-Pierre?

The warmest month in Saint-Pierre is January (22.5 °C on average); the coldest is July (16.6 °C).

How much does it rain in Saint-Pierre?

Saint-Pierre receives on average 1,658 mm of precipitation per year, spread over about 235 rainy days.

Is it sunny in Saint-Pierre?

Saint-Pierre gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.

Are there tropical nights in Saint-Pierre?

Yes: Saint-Pierre has on average 88 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Saint-Pierre?

In Saint-Pierre, between 1940 and 2025, the highest apparent temperature reached 35.6 °C on 26 January 1998, and the lowest was 8.0 °C on 2 September 1993.

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