Santa Rosa climate — normals and trends

Q: What is the climate of Santa Rosa?

Santa Rosa has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 3,182 mm of precipitation per year.

Q: What is the hottest day ever recorded in Santa Rosa?

The hottest day measured in Santa Rosa between 1940 and 2025 was 1 October 2024, reaching 29.9 °C.

Q: What is the coldest day in Santa Rosa?

The coldest day measured in Santa Rosa between 1940 and 2025 was 26 August 1942, at 6.5 °C.

Q: Does it snow in Santa Rosa?

Almost never: Santa Rosa sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Santa Rosa warmed?

Yes: Santa Rosa warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Santa Rosa?

The wettest day measured in Santa Rosa between 1940 and 2025 was 13 March 1988, with 137 mm of rain in 24 hours.

Q: What was the windiest day in Santa Rosa?

The windiest day measured in Santa Rosa between 1940 and 2025 was 6 March 2002, with winds reaching 10.0 km/h.

Q: What is the warmest month in Santa Rosa?

The warmest month in Santa Rosa is November (18.6 °C on average); the coldest is July (16.9 °C).

Q: How much does it rain in Santa Rosa?

Santa Rosa receives on average 3,182 mm of precipitation per year, spread over about 310 rainy days.

Q: Is it sunny in Santa Rosa?

Santa Rosa gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

Santa Rosa (Peru) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 18.1 °C and it receives 3,182 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 November (18.6 °C on average) and the coldest is July (16.9 °C). Rainfall peaks in January.

Santa Rosa averages 0 frost days, 0 hot days (≥ 30 °C) and 310 rainy days per year.

Santa Rosa has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.

The hottest day of the period reached 29.9 °C (on 1 October 2024) and the coldest 6.5 °C (on 26 August 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

Santa RosaJunin

coords: -10.92°, -74.88°
period: 1940–2025 · 86 yrs

CfbTemperate oceanicWarmest monthNovemberColdest monthJulyWettest monthJanuaryDriest monthJuly

Mean daily temperature

18.1°C

Average daily high

22.7°C

Average daily low

14.7°C

Annual rainfall

3,182mm

Sunshine / day

9.2h

Mean relative humidity

87%

Average peak wind

6.0km/h

Seasonal range

1.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

0 d/yr

Rainy days (≥ 1 mm)

310 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.5 °C

Average feels-like low

15.5 °C

Average peak gust

25.2 km/h

Tropical nights (≥ 20 °C)

0 d/yr

Solar radiation

16.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.68 · 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

29.9 °C

1 October 2024

Coldest day

6.5 °C

26 August 1942

Wettest day

137 mm

13 March 1988

Windiest day

10.0 km/h

6 March 2002

Strongest gust

53.3 km/h

11 November 1986

Hottest feels-like

34.5 °C

5 February 1998

Coldest feels-like

4.6 °C

26 August 1942

Sunniest day

12.5 h

19 November 1973

Year	Hottest day	Coldest day	Annual mean	Rainfall
2025	27.2 °C20 September 2025	9.7 °C8 July 2025	18.8 °C	3,142 mm
2024	29.9 °C1 October 2024	9.7 °C20 July 2024	19.7 °C	2,671 mm
2023	29.8 °C23 October 2023	11.4 °C25 July 2023	19.4 °C	3,004 mm
2022	29.0 °C19 November 2022	9.5 °C14 June 2022	18.5 °C	2,609 mm
2021	27.6 °C12 October 2021	9.6 °C6 August 2021	18.7 °C	3,028 mm
2020	28.1 °C11 October 2020	11.5 °C19 April 2020	19.0 °C	2,967 mm
2019	27.5 °C18 September 2019	9.7 °C6 August 2019	18.8 °C	2,868 mm
2018	26.3 °C13 September 2018	10.9 °C15 July 2018	18.3 °C	3,012 mm
2017	27.0 °C20 January 2017	9.4 °C23 July 2017	18.7 °C	3,395 mm
2016	28.3 °C23 January 2016	10.6 °C17 June 2016	18.9 °C	2,667 mm
2015	27.6 °C18 September 2015	11.9 °C19 August 2015	19.0 °C	2,992 mm
2014	27.0 °C14 October 2014	9.9 °C21 August 2014	18.5 °C	3,275 mm
2013	26.5 °C24 January 2013	9.0 °C29 July 2013	18.4 °C	3,301 mm
2012	27.0 °C6 April 2012	10.0 °C12 June 2012	18.4 °C	3,442 mm
2011	27.3 °C29 November 2011	9.9 °C12 August 2011	18.2 °C	3,189 mm
2010	27.6 °C21 April 2010	10.2 °C21 August 2010	18.7 °C	3,196 mm
2009	27.8 °C30 October 2009	10.8 °C5 June 2009	18.6 °C	3,310 mm
2008	26.9 °C23 November 2008	10.5 °C7 May 2008	18.3 °C	3,290 mm
2007	26.1 °C24 December 2007	9.5 °C12 June 2007	18.2 °C	3,046 mm
2006	26.2 °C8 January 2006	8.9 °C6 July 2006	18.1 °C	3,001 mm
2005	27.2 °C7 March 2005	10.4 °C14 July 2005	18.4 °C	2,353 mm
2004	27.6 °C2 March 2004	9.5 °C12 August 2004	18.4 °C	2,623 mm
2003	28.2 °C22 November 2003	10.1 °C31 August 2003	18.7 °C	2,693 mm
2002	27.5 °C6 March 2002	10.4 °C11 August 2002	18.6 °C	2,822 mm
2001	27.2 °C8 September 2001	9.7 °C12 August 2001	18.4 °C	2,591 mm
2000	27.3 °C25 December 2000	10.1 °C29 July 2000	18.5 °C	2,878 mm
1999	28.0 °C20 October 1999	9.9 °C12 July 1999	18.3 °C	3,044 mm
1998	28.3 °C14 February 1998	11.7 °C1 July 1998	19.3 °C	2,836 mm
1997	28.0 °C8 September 1997	11.2 °C13 July 1997	18.9 °C	3,009 mm
1996	27.6 °C13 November 1996	10.3 °C26 July 1996	18.2 °C	2,924 mm
1995	27.8 °C25 September 1995	12.1 °C22 July 1995	18.6 °C	3,103 mm
1994	27.3 °C9 October 1994	9.6 °C12 August 1994	18.3 °C	3,341 mm
1993	27.0 °C14 October 1993	8.8 °C7 August 1993	18.2 °C	2,931 mm
1992	26.9 °C9 May 1992	9.4 °C27 July 1992	18.4 °C	2,997 mm
1991	26.8 °C25 February 1991	8.8 °C16 August 1991	18.1 °C	3,058 mm
1990	26.8 °C29 January 1990	9.6 °C2 August 1990	18.0 °C	2,891 mm
1989	26.3 °C30 November 1989	8.7 °C13 July 1989	17.8 °C	3,558 mm
1988	27.1 °C21 September 1988	9.6 °C27 July 1988	18.2 °C	3,584 mm
1987	27.0 °C8 October 1987	11.0 °C25 August 1987	18.5 °C	3,144 mm
1986	26.2 °C24 August 1986	8.9 °C26 July 1986	17.8 °C	3,387 mm
1985	26.6 °C30 November 1985	9.4 °C15 June 1985	17.6 °C	3,750 mm
1984	25.6 °C13 October 1984	10.6 °C27 August 1984	17.7 °C	3,533 mm
1983	27.6 °C25 March 1983	11.4 °C26 July 1983	18.9 °C	2,983 mm
1982	27.0 °C12 September 1982	10.3 °C20 July 1982	17.9 °C	3,950 mm
1981	26.2 °C9 December 1981	7.4 °C28 July 1981	17.7 °C	3,810 mm
1980	26.3 °C16 November 1980	10.8 °C7 July 1980	18.0 °C	2,826 mm
1979	26.0 °C4 November 1979	10.8 °C28 July 1979	17.9 °C	2,584 mm
1978	26.3 °C13 February 1978	9.3 °C19 August 1978	17.6 °C	2,884 mm
1977	26.1 °C12 April 1977	9.7 °C12 July 1977	17.7 °C	2,715 mm
1976	26.6 °C14 October 1976	8.0 °C15 July 1976	17.4 °C	2,781 mm
1975	26.3 °C23 April 1975	8.0 °C22 July 1975	17.4 °C	2,660 mm
1974	26.9 °C31 January 1974	8.1 °C10 July 1974	17.6 °C	3,307 mm
1973	27.2 °C6 January 1973	10.8 °C4 September 1973	18.2 °C	3,280 mm
1972	28.3 °C28 October 1972	10.0 °C3 July 1972	18.6 °C	2,603 mm
1971	26.3 °C16 December 1971	9.5 °C20 July 1971	17.8 °C	3,238 mm
1970	26.8 °C10 December 1970	9.8 °C12 August 1970	18.0 °C	3,167 mm
1969	28.2 °C11 March 1969	9.1 °C28 July 1969	18.3 °C	2,829 mm
1968	26.2 °C1 November 1968	10.2 °C31 July 1968	17.5 °C	3,119 mm
1967	27.0 °C28 December 1967	9.7 °C8 August 1967	17.6 °C	2,834 mm
1966	26.8 °C5 November 1966	9.9 °C6 July 1966	18.1 °C	2,766 mm
1965	26.9 °C19 January 1965	9.5 °C21 June 1965	18.0 °C	2,997 mm
1964	27.2 °C25 January 1964	9.9 °C2 August 1964	17.8 °C	2,524 mm
1963	27.6 °C23 October 1963	6.8 °C27 July 1963	18.0 °C	2,983 mm
1962	27.5 °C22 April 1962	8.4 °C14 July 1962	17.8 °C	2,954 mm
1961	27.8 °C27 October 1961	7.8 °C2 August 1961	17.9 °C	2,809 mm
1960	26.5 °C31 August 1960	9.0 °C25 July 1960	17.8 °C	3,174 mm
1959	26.1 °C28 December 1959	10.0 °C15 September 1959	17.7 °C	2,759 mm
1958	26.8 °C27 August 1958	9.8 °C22 July 1958	18.1 °C	3,277 mm
1957	26.3 °C15 October 1957	9.0 °C23 July 1957	17.8 °C	3,352 mm
1956	24.4 °C5 March 1956	10.3 °C14 August 1956	16.8 °C	4,028 mm
1955	25.2 °C18 September 1955	6.8 °C3 August 1955	17.1 °C	3,897 mm
1954	25.4 °C1 December 1954	8.8 °C13 August 1954	17.1 °C	3,676 mm
1953	23.8 °C10 August 1953	10.2 °C4 August 1953	17.5 °C	4,138 mm
1952	25.4 °C16 December 1952	10.3 °C21 June 1952	17.3 °C	3,572 mm
1951	25.1 °C14 October 1951	7.9 °C27 July 1951	17.4 °C	3,908 mm
1950	24.6 °C31 August 1950	10.5 °C24 August 1950	17.1 °C	4,469 mm
1949	25.0 °C26 February 1949	9.6 °C28 July 1949	17.5 °C	2,848 mm
1948	25.0 °C21 August 1948	9.8 °C22 August 1948	17.5 °C	2,794 mm
1947	24.4 °C16 March 1947	9.7 °C19 August 1947	17.4 °C	4,557 mm
1946	25.6 °C13 November 1946	10.4 °C19 August 1946	17.2 °C	3,980 mm
1945	24.9 °C20 August 1945	10.5 °C18 July 1945	17.3 °C	4,226 mm
1944	25.5 °C5 March 1944	10.7 °C23 July 1944	17.5 °C	3,282 mm
1943	24.5 °C26 February 1943	9.1 °C7 July 1943	16.8 °C	3,131 mm
1942	26.0 °C23 September 1942	6.5 °C26 August 1942	16.9 °C	4,113 mm
1941	25.0 °C8 April 1941	10.3 °C2 August 1941	17.6 °C	4,176 mm
1940	24.3 °C10 October 1940	9.1 °C6 July 1940	17.6 °C	3,230 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

23.7 °C

+1.0 °C

Hot days (≥ 30 °C)

0 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

3142 mm

-40 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	23.5 °C	+1.1 °C	422 mm	-99 mm
Feb	23.7 °C	+1.4 °C	397 mm	-70 mm
Mar	23.1 °C	+0.4 °C	369 mm	+1 mm
Apr	24.1 °C	+1.1 °C	246 mm	+17 mm
May	23.8 °C	+1.2 °C	163 mm	-6 mm
Jun	22.6 °C	+0.6 °C	163 mm	+50 mm
Jul	22.6 °C	+0.7 °C	84 mm	+2 mm
Aug	23.4 °C	+0.6 °C	99 mm	+11 mm
Sep	24.7 °C	+1.4 °C	110 mm	-24 mm
Oct	24.1 °C	+0.8 °C	294 mm	+61 mm
Nov	24.5 °C	+1.5 °C	333 mm	+5 mm
Dec	23.7 °C	+1.1 °C	463 mm	+13 mm

The year's extremes

Hottest day

27.2 °C

20 Sep 2025

Coldest day

9.7 °C

8 Jul 2025

Wettest day

61.0 mm

25 Dec 2025

Windiest day

8.6 km/h

30 Jan 2025

Strongest gust

31.7 km/h

25 Dec 2025

Hottest feels-like

31.7 °C

5 Oct 2025

Coldest feels-like

8.7 °C

8 Jul 2025

Sunniest day

12.3 h

29 Jan 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 Santa Rosa?

Santa Rosa has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 3,182 mm of precipitation per year.

What is the hottest day ever recorded in Santa Rosa?

The hottest day measured in Santa Rosa between 1940 and 2025 was 1 October 2024, reaching 29.9 °C.

What is the coldest day in Santa Rosa?

The coldest day measured in Santa Rosa between 1940 and 2025 was 26 August 1942, at 6.5 °C.

Does it snow in Santa Rosa?

Almost never: Santa Rosa sees virtually no snow, with about 0 frost days per year.

Has the climate of Santa Rosa warmed?

Yes: Santa Rosa warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Santa Rosa?

The wettest day measured in Santa Rosa between 1940 and 2025 was 13 March 1988, with 137 mm of rain in 24 hours.

What was the windiest day in Santa Rosa?

The windiest day measured in Santa Rosa between 1940 and 2025 was 6 March 2002, with winds reaching 10.0 km/h.

What is the warmest month in Santa Rosa?

The warmest month in Santa Rosa is November (18.6 °C on average); the coldest is July (16.9 °C).

How much does it rain in Santa Rosa?

Santa Rosa receives on average 3,182 mm of precipitation per year, spread over about 310 rainy days.

Is it sunny in Santa Rosa?

Santa Rosa gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

Are there tropical nights in Santa Rosa?

Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Santa Rosa.

What was the most extreme apparent temperature in Santa Rosa?

In Santa Rosa, between 1940 and 2025, the highest apparent temperature reached 34.5 °C on 5 February 1998, and the lowest was 4.6 °C on 26 August 1942.

Compare Santa Rosa with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Santa Rosa

Other cities — Peru

All cities in Peru →