Rawson climate — normals and trends

Q: What is the climate of Rawson?

Rawson has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 13.7 °C and it receives 218 mm of precipitation per year.

Q: What is the hottest day ever recorded in Rawson?

The hottest day measured in Rawson between 1940 and 2025 was 27 January 2017, reaching 37.8 °C.

Q: What is the coldest day in Rawson?

The coldest day measured in Rawson between 1940 and 2025 was 1 July 2025, at -5.6 °C.

Q: Does it snow in Rawson?

Almost never: Rawson sees virtually no snow, with about 5 frost days per year.

Q: Has the climate of Rawson warmed?

Yes: Rawson warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Rawson?

The wettest day measured in Rawson between 1940 and 2025 was 8 April 2014, with 71 mm of rain in 24 hours.

Q: What was the windiest day in Rawson?

The windiest day measured in Rawson between 1940 and 2025 was 28 October 1988, with winds reaching 76.7 km/h.

Q: What is the warmest month in Rawson?

The warmest month in Rawson is January (20.0 °C on average); the coldest is July (7.3 °C).

Q: How much does it rain in Rawson?

Rawson receives on average 218 mm of precipitation per year, spread over about 44 rainy days.

Q: Is it sunny in Rawson?

Rawson gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

Rawson (Argentina) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 13.7 °C and it receives 218 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 (20.0 °C on average) and the coldest is July (7.3 °C). Rainfall peaks in May.

Rawson averages 5 frost days, 6 hot days (≥ 30 °C) and 44 rainy days per year.

Rawson has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.8 °C (on 27 January 2017) and the coldest -5.6 °C (on 1 July 2025).

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

RawsonChubut

coords: -43.30°, -65.11°
period: 1940–2025 · 86 yrs

BSkCold semi-aridWarmest monthJanuaryColdest monthJulyWettest monthMayDriest monthAugust

Mean daily temperature

13.7°C

Average daily high

17.9°C

Average daily low

10.1°C

Annual rainfall

218mm

Sunshine / day

10.4h

Mean relative humidity

56%

Average peak wind

29.6km/h

Seasonal range

12.7°C

Frost days (< 0 °C)

5 d/yr

Hot days (≥ 30 °C)

6 d/yr

Rainy days (≥ 1 mm)

44 d/yr

Annual snowfall

0.4 cm

Average feels-like high

14.4 °C

Average feels-like low

5.8 °C

Average peak gust

45.9 km/h

Tropical nights (≥ 20 °C)

4 d/yr

Solar radiation

17.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.38 · 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

37.8 °C

27 January 2017

Coldest day

-5.6 °C

1 July 2025

Wettest day

71 mm

8 April 2014

Windiest day

76.7 km/h

28 October 1988

Strongest gust

118.1 km/h

28 October 1988

Hottest feels-like

37.9 °C

11 January 2013

Coldest feels-like

-11.4 °C

31 July 1991

Snowiest day

3.2 cm

27 June 1982

Sunniest day

15.0 h

4 January 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.4 °C12 January 2025	-5.6 °C1 July 2025	14.3 °C	160 mm	8	7
2024	36.2 °C23 January 2024	-1.1 °C7 July 2024	13.7 °C	243 mm	8	8
2023	32.8 °C8 January 2023	-1.4 °C17 July 2023	13.9 °C	232 mm	12	6
2022	33.4 °C10 January 2022	-3.7 °C22 June 2022	13.7 °C	350 mm	5	5
2021	32.7 °C4 February 2021	-0.6 °C17 June 2021	14.5 °C	289 mm	7	2
2020	33.0 °C3 January 2020	-1.1 °C28 June 2020	14.5 °C	153 mm	8	1
2019	34.6 °C24 January 2019	-1.6 °C13 August 2019	14.2 °C	239 mm	13	3
2018	35.0 °C8 December 2018	-2.3 °C3 July 2018	14.4 °C	172 mm	7	1
2017	37.8 °C27 January 2017	-0.5 °C20 June 2017	14.6 °C	302 mm	10	1
2016	33.7 °C2 February 2016	0.3 °C19 June 2016	14.0 °C	227 mm	4	0
2015	34.1 °C16 March 2015	-0.4 °C1 July 2015	14.2 °C	144 mm	7	3
2014	34.2 °C12 January 2014	-3.6 °C26 July 2014	14.0 °C	230 mm	3	2
2013	36.4 °C11 January 2013	-4.2 °C25 August 2013	13.9 °C	218 mm	6	3
2012	36.2 °C3 February 2012	-3.4 °C16 June 2012	14.1 °C	234 mm	8	6
2011	32.7 °C1 March 2011	-2.3 °C30 July 2011	14.3 °C	173 mm	12	6
2010	33.6 °C28 February 2010	-2.9 °C3 August 2010	13.8 °C	183 mm	5	9
2009	36.2 °C22 January 2009	0.1 °C30 July 2009	14.3 °C	172 mm	15	0
2008	34.1 °C26 December 2008	-1.4 °C2 July 2008	14.3 °C	173 mm	6	4
2007	34.6 °C16 January 2007	-2.0 °C14 June 2007	13.4 °C	191 mm	6	13
2006	34.1 °C14 February 2006	-3.5 °C31 July 2006	14.0 °C	209 mm	4	2
2005	32.5 °C3 February 2005	-1.2 °C4 July 2005	13.6 °C	272 mm	5	4
2004	33.0 °C23 February 2004	0.3 °C20 August 2004	14.2 °C	250 mm	6	0
2003	33.2 °C9 March 2003	1.2 °C11 July 2003	13.9 °C	211 mm	3	0
2002	32.5 °C7 January 2002	-4.9 °C22 June 2002	13.3 °C	276 mm	5	8
2001	33.4 °C4 February 2001	-5.2 °C22 July 2001	13.6 °C	231 mm	10	9
2000	31.7 °C27 January 2000	-3.2 °C13 July 2000	13.2 °C	278 mm	5	5
1999	32.9 °C25 February 1999	-0.6 °C15 July 1999	13.8 °C	292 mm	5	2
1998	31.5 °C18 January 1998	-0.3 °C13 September 1998	14.4 °C	203 mm	5	1
1997	32.8 °C15 January 1997	-3.0 °C4 August 1997	13.6 °C	375 mm	7	6
1996	30.7 °C5 March 1996	-1.0 °C19 June 1996	14.0 °C	103 mm	4	7
1995	33.3 °C12 February 1995	-4.7 °C30 July 1995	13.1 °C	238 mm	5	20
1994	31.8 °C9 January 1994	-1.4 °C7 June 1994	13.9 °C	191 mm	4	2
1993	32.9 °C30 January 1993	-2.5 °C5 July 1993	13.8 °C	140 mm	9	10
1992	33.0 °C26 December 1992	-3.2 °C31 July 1992	13.1 °C	342 mm	7	9
1991	34.3 °C26 February 1991	-3.0 °C10 August 1991	13.6 °C	246 mm	9	7
1990	31.9 °C24 December 1990	-1.0 °C21 July 1990	14.1 °C	143 mm	5	4
1989	33.8 °C27 January 1989	-0.9 °C2 July 1989	14.4 °C	149 mm	11	2
1988	34.0 °C30 December 1988	-3.6 °C11 July 1988	13.4 °C	104 mm	4	6
1987	33.3 °C28 January 1987	-1.1 °C17 July 1987	14.1 °C	205 mm	7	2
1986	31.6 °C18 December 1986	-3.9 °C3 August 1986	13.5 °C	179 mm	3	7
1985	33.0 °C21 February 1985	-1.5 °C10 July 1985	13.9 °C	330 mm	6	2
1984	32.1 °C21 January 1984	-4.5 °C28 July 1984	12.8 °C	289 mm	5	16
1983	35.3 °C26 December 1983	-1.9 °C24 July 1983	13.9 °C	251 mm	11	7
1982	34.2 °C26 December 1982	-3.9 °C24 July 1982	13.7 °C	313 mm	12	13
1981	32.0 °C5 February 1981	-1.7 °C17 July 1981	13.8 °C	222 mm	4	3
1980	33.9 °C21 January 1980	-1.5 °C29 July 1980	14.1 °C	179 mm	7	4
1979	32.7 °C20 January 1979	-0.5 °C14 June 1979	14.2 °C	257 mm	12	1
1978	32.7 °C8 March 1978	0.5 °C19 August 1978	13.8 °C	207 mm	6	0
1977	32.7 °C25 January 1977	-2.7 °C21 June 1977	13.6 °C	340 mm	1	5
1976	32.7 °C29 December 1976	-3.3 °C30 July 1976	12.8 °C	326 mm	4	9
1975	33.9 °C19 January 1975	-1.5 °C16 July 1975	13.9 °C	195 mm	7	5
1974	32.6 °C29 January 1974	-1.9 °C23 July 1974	13.3 °C	216 mm	4	3
1973	32.8 °C15 February 1973	-1.6 °C26 July 1973	13.4 °C	175 mm	3	5
1972	33.4 °C21 January 1972	-2.1 °C30 June 1972	13.3 °C	233 mm	3	9
1971	32.0 °C16 February 1971	-1.1 °C17 June 1971	13.4 °C	161 mm	3	3
1970	31.1 °C11 January 1970	-2.4 °C1 July 1970	13.8 °C	249 mm	3	3
1969	30.7 °C1 March 1969	-0.8 °C12 June 1969	13.8 °C	227 mm	3	1
1968	31.9 °C31 January 1968	-1.8 °C7 June 1968	14.2 °C	160 mm	3	3
1967	33.3 °C15 December 1967	-4.6 °C14 June 1967	13.6 °C	216 mm	6	8
1966	30.5 °C12 January 1966	-3.4 °C24 July 1966	13.5 °C	174 mm	3	7
1965	33.2 °C27 January 1965	-1.1 °C6 July 1965	13.8 °C	195 mm	5	3
1964	33.1 °C18 January 1964	-1.5 °C25 June 1964	13.2 °C	151 mm	3	3
1963	33.0 °C26 February 1963	-2.1 °C29 June 1963	13.5 °C	257 mm	3	2
1962	32.8 °C20 January 1962	-1.2 °C15 July 1962	13.9 °C	146 mm	7	3
1961	35.3 °C26 January 1961	-1.2 °C12 June 1961	13.6 °C	184 mm	4	3
1960	33.9 °C13 February 1960	-3.7 °C6 July 1960	13.7 °C	192 mm	7	8
1959	33.5 °C1 February 1959	-0.5 °C16 July 1959	12.9 °C	195 mm	4	2
1958	32.5 °C22 January 1958	-2.2 °C16 June 1958	13.6 °C	329 mm	3	6
1957	32.7 °C24 February 1957	-1.8 °C23 June 1957	13.4 °C	310 mm	3	7
1956	32.3 °C12 December 1956	-0.3 °C27 June 1956	13.6 °C	200 mm	3	1
1955	31.3 °C28 January 1955	-2.6 °C10 July 1955	13.2 °C	222 mm	4	8
1954	31.1 °C27 January 1954	-2.8 °C11 July 1954	13.2 °C	163 mm	5	10
1953	33.0 °C17 February 1953	-0.3 °C18 July 1953	13.9 °C	194 mm	2	2
1952	35.3 °C2 March 1952	-0.8 °C18 June 1952	13.4 °C	155 mm	5	4
1951	31.3 °C7 February 1951	-1.0 °C26 June 1951	13.4 °C	162 mm	2	3
1950	32.6 °C6 March 1950	-0.3 °C10 July 1950	13.1 °C	176 mm	1	1
1949	30.7 °C18 January 1949	-1.1 °C14 July 1949	13.0 °C	211 mm	3	5
1948	31.8 °C11 February 1948	-1.9 °C7 August 1948	13.5 °C	165 mm	6	1
1947	33.8 °C28 January 1947	-0.9 °C9 July 1947	13.4 °C	195 mm	2	2
1946	31.1 °C11 February 1946	-2.6 °C13 June 1946	13.4 °C	207 mm	3	7
1945	32.9 °C10 February 1945	-0.8 °C8 June 1945	13.3 °C	146 mm	8	3
1944	31.5 °C18 January 1944	-3.2 °C25 June 1944	13.3 °C	273 mm	5	4
1943	32.4 °C12 December 1943	-1.1 °C15 August 1943	13.8 °C	187 mm	11	7
1942	33.6 °C4 February 1942	-4.1 °C9 July 1942	12.7 °C	250 mm	6	8
1941	32.1 °C15 January 1941	-0.7 °C27 July 1941	12.9 °C	235 mm	4	1
1940	30.9 °C25 February 1940	-0.3 °C14 June 1940	12.6 °C	255 mm	2	1

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

18.6 °C

+0.7 °C

Hot days (≥ 30 °C)

8 d/yr

Frost days (< 0 °C)

7 d/yr

Annual rainfall

160 mm

-58 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	25.3 °C	+1.0 °C	10 mm	-6 mm
Feb	23.9 °C	+0.1 °C	10 mm	-9 mm
Mar	23.0 °C	+1.1 °C	19 mm	-0 mm
Apr	18.0 °C	-0.6 °C	34 mm	+15 mm
May	15.2 °C	+0.5 °C	8 mm	-15 mm
Jun	12.0 °C	+0.5 °C	18 mm	-5 mm
Jul	12.7 °C	+1.6 °C	13 mm	-7 mm
Aug	13.8 °C	+1.0 °C	11 mm	-4 mm
Sep	15.6 °C	+0.7 °C	15 mm	-1 mm
Oct	19.6 °C	+1.9 °C	5 mm	-12 mm
Nov	20.7 °C	+0.1 °C	16 mm	-0 mm
Dec	24.2 °C	+1.5 °C	2 mm	-14 mm

The year's extremes

Hottest day

36.4 °C

12 Jan 2025

Coldest day

-5.6 °C

1 Jul 2025

Wettest day

12.6 mm

11 Apr 2025

Windiest day

57.0 km/h

17 Nov 2025

Strongest gust

86.4 km/h

22 Jun 2025

Hottest feels-like

34.1 °C

12 Jan 2025

Coldest feels-like

-10.3 °C

1 Jul 2025

Sunniest day

15.0 h

3 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 Rawson?

Rawson has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 13.7 °C and it receives 218 mm of precipitation per year.

What is the hottest day ever recorded in Rawson?

The hottest day measured in Rawson between 1940 and 2025 was 27 January 2017, reaching 37.8 °C.

What is the coldest day in Rawson?

The coldest day measured in Rawson between 1940 and 2025 was 1 July 2025, at -5.6 °C.

Does it snow in Rawson?

Almost never: Rawson sees virtually no snow, with about 5 frost days per year.

Has the climate of Rawson warmed?

Yes: Rawson warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Rawson?

The wettest day measured in Rawson between 1940 and 2025 was 8 April 2014, with 71 mm of rain in 24 hours.

What was the windiest day in Rawson?

The windiest day measured in Rawson between 1940 and 2025 was 28 October 1988, with winds reaching 76.7 km/h.

What is the warmest month in Rawson?

The warmest month in Rawson is January (20.0 °C on average); the coldest is July (7.3 °C).

How much does it rain in Rawson?

Rawson receives on average 218 mm of precipitation per year, spread over about 44 rainy days.

Is it sunny in Rawson?

Rawson gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.

What is the biggest single-day snowfall in Rawson?

The heaviest 24-hour snowfall measured in Rawson between 1940 and 2025 was 27 June 1982, with 3.2 cm.

Are there tropical nights in Rawson?

Yes: Rawson has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Rawson?

In Rawson, between 1940 and 2025, the highest apparent temperature reached 37.9 °C on 11 January 2013, and the lowest was -11.4 °C on 31 July 1991.

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