Montecarlo climate — normals and trends

Q: What is the climate of Montecarlo?

Montecarlo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.9 °C and it receives 1,954 mm of precipitation per year.

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

The hottest day measured in Montecarlo between 1940 and 2025 was 17 November 1985, reaching 41.0 °C.

Q: What is the coldest day in Montecarlo?

The coldest day measured in Montecarlo between 1940 and 2025 was 18 July 1975, at -2.2 °C.

Q: Does it snow in Montecarlo?

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

Q: Has the climate of Montecarlo warmed?

Yes: Montecarlo warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Montecarlo?

The wettest day measured in Montecarlo between 1940 and 2025 was 14 November 2023, with 157 mm of rain in 24 hours.

Q: What was the windiest day in Montecarlo?

The windiest day measured in Montecarlo between 1940 and 2025 was 23 November 1951, with winds reaching 43.9 km/h.

Q: What is the warmest month in Montecarlo?

The warmest month in Montecarlo is January (25.3 °C on average); the coldest is July (15.9 °C).

Q: How much does it rain in Montecarlo?

Montecarlo receives on average 1,954 mm of precipitation per year, spread over about 145 rainy days.

Q: Is it sunny in Montecarlo?

Montecarlo gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Montecarlo (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.9 °C and it receives 1,954 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 (25.3 °C on average) and the coldest is July (15.9 °C). Rainfall peaks in October.

Montecarlo averages 0 frost days, 96 hot days (≥ 30 °C) and 145 rainy days per year.

Montecarlo has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.0 °C (on 17 November 1985) and the coldest -2.2 °C (on 18 July 1975).

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

MontecarloMisiones

coords: -26.57°, -54.76°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthAugust

Mean daily temperature

20.9°C

Average daily high

26.3°C

Average daily low

16.5°C

Annual rainfall

1,954mm

Sunshine / day

9.1h

Mean relative humidity

80%

Average peak wind

11.9km/h

Seasonal range

9.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

96 d/yr

Rainy days (≥ 1 mm)

145 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.0 °C

Average feels-like low

17.1 °C

Average peak gust

30.2 km/h

Tropical nights (≥ 20 °C)

99 d/yr

Solar radiation

16.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.30 · 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

41.0 °C

17 November 1985

Coldest day

-2.2 °C

18 July 1975

Wettest day

157 mm

14 November 2023

Windiest day

43.9 km/h

23 November 1951

Strongest gust

104.8 km/h

23 November 1951

Hottest feels-like

45.0 °C

17 November 1985

Coldest feels-like

-5.4 °C

18 July 1975

Sunniest day

13.5 h

8 January 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.9 °C2 March 2025	0.5 °C24 June 2025	21.1 °C	1,964 mm	114	0
2024	38.3 °C12 February 2024	2.3 °C30 June 2024	22.1 °C	1,697 mm	149	0
2023	37.5 °C24 September 2023	4.4 °C15 July 2023	21.9 °C	2,341 mm	113	0
2022	39.7 °C23 January 2022	1.6 °C12 June 2022	20.8 °C	1,632 mm	118	0
2021	37.8 °C19 September 2021	0.3 °C29 July 2021	21.4 °C	1,300 mm	136	0
2020	39.7 °C1 October 2020	1.4 °C21 August 2020	21.7 °C	1,213 mm	146	0
2019	37.8 °C30 October 2019	0.3 °C6 July 2019	22.0 °C	1,645 mm	116	0
2018	37.1 °C11 December 2018	3.0 °C14 June 2018	21.2 °C	1,862 mm	113	0
2017	36.2 °C10 September 2017	-0.3 °C18 July 2017	21.8 °C	2,023 mm	123	1
2016	36.7 °C24 January 2016	1.2 °C11 June 2016	20.8 °C	1,812 mm	114	0
2015	38.4 °C20 October 2015	4.1 °C12 September 2015	21.8 °C	2,781 mm	110	0
2014	38.2 °C8 February 2014	3.0 °C14 August 2014	21.8 °C	2,355 mm	119	0
2013	36.1 °C29 January 2013	0.7 °C24 July 2013	20.7 °C	2,111 mm	101	0
2012	38.3 °C6 February 2012	-0.2 °C8 June 2012	21.9 °C	1,316 mm	149	1
2011	38.1 °C21 December 2011	0.3 °C28 June 2011	21.1 °C	1,870 mm	114	0
2010	37.8 °C5 February 2010	2.1 °C14 July 2010	20.6 °C	2,177 mm	108	0
2009	37.6 °C2 November 2009	-0.6 °C25 July 2009	20.9 °C	1,800 mm	131	1
2008	37.4 °C8 December 2008	-0.7 °C17 June 2008	21.0 °C	1,283 mm	119	1
2007	36.4 °C1 December 2007	0.5 °C30 May 2007	21.1 °C	2,035 mm	133	0
2006	37.7 °C15 January 2006	1.7 °C31 July 2006	21.6 °C	1,675 mm	127	0
2005	39.4 °C20 February 2005	2.3 °C19 July 2005	21.7 °C	1,746 mm	138	0
2004	37.7 °C2 March 2004	1.2 °C11 July 2004	21.1 °C	1,468 mm	142	0
2003	38.4 °C11 November 2003	0.5 °C12 July 2003	21.2 °C	1,612 mm	113	0
2002	37.6 °C9 January 2002	1.0 °C3 September 2002	21.6 °C	2,114 mm	117	0
2001	35.7 °C20 December 2001	0.2 °C28 July 2001	21.5 °C	2,369 mm	111	0
2000	36.7 °C10 December 2000	-1.1 °C20 July 2000	20.8 °C	2,041 mm	111	2
1999	37.6 °C30 November 1999	0.1 °C15 August 1999	20.9 °C	1,774 mm	128	0
1998	35.6 °C21 January 1998	4.1 °C25 June 1998	20.8 °C	2,734 mm	82	0
1997	35.7 °C26 December 1997	2.8 °C30 June 1997	21.4 °C	2,263 mm	113	0
1996	35.8 °C11 January 1996	0.2 °C29 June 1996	20.5 °C	2,660 mm	95	0
1995	36.4 °C17 December 1995	2.2 °C26 June 1995	21.2 °C	1,967 mm	118	0
1994	36.9 °C12 December 1994	-0.4 °C26 June 1994	21.3 °C	2,240 mm	111	1
1993	35.9 °C12 October 1993	-0.7 °C15 July 1993	20.6 °C	1,943 mm	119	2
1992	35.5 °C21 January 1992	1.1 °C23 July 1992	20.5 °C	2,205 mm	92	0
1991	37.5 °C21 January 1991	-1.0 °C3 August 1991	21.3 °C	1,844 mm	127	1
1990	37.8 °C15 November 1990	0.3 °C29 July 1990	20.4 °C	2,468 mm	94	0
1989	36.5 °C6 December 1989	0.3 °C6 July 1989	20.1 °C	2,145 mm	86	0
1988	37.7 °C7 December 1988	-0.4 °C12 July 1988	20.7 °C	1,512 mm	125	1
1987	37.0 °C11 October 1987	0.7 °C24 June 1987	20.6 °C	2,524 mm	98	0
1986	36.6 °C17 January 1986	3.4 °C5 September 1986	21.3 °C	1,997 mm	104	0
1985	41.0 °C17 November 1985	1.8 °C10 June 1985	21.3 °C	1,701 mm	124	0
1984	36.7 °C16 February 1984	1.6 °C26 August 1984	21.1 °C	1,968 mm	102	0
1983	35.3 °C9 December 1983	3.5 °C16 June 1983	20.4 °C	2,790 mm	108	0
1982	35.9 °C16 January 1982	4.1 °C29 June 1982	21.1 °C	2,064 mm	96	0
1981	35.3 °C1 March 1981	-1.9 °C19 June 1981	20.9 °C	1,763 mm	114	1
1980	36.4 °C17 December 1980	0.5 °C17 September 1980	20.8 °C	2,168 mm	97	0
1979	38.5 °C26 January 1979	2.3 °C17 July 1979	20.4 °C	2,083 mm	89	0
1978	36.7 °C29 January 1978	1.3 °C1 June 1978	21.2 °C	1,284 mm	136	0
1977	35.6 °C29 December 1977	2.2 °C18 May 1977	21.7 °C	1,783 mm	123	0
1976	34.5 °C9 March 1976	-0.5 °C28 June 1976	19.8 °C	1,420 mm	93	1
1975	36.1 °C14 February 1975	-2.2 °C18 July 1975	20.4 °C	1,848 mm	73	2
1974	34.7 °C18 November 1974	1.9 °C5 June 1974	20.2 °C	1,854 mm	88	0
1973	35.6 °C13 January 1973	2.8 °C28 June 1973	20.5 °C	2,392 mm	89	0
1972	36.7 °C26 October 1972	1.3 °C9 July 1972	20.7 °C	2,364 mm	84	0
1971	36.8 °C5 February 1971	-0.3 °C14 June 1971	20.2 °C	2,116 mm	87	1
1970	37.6 °C8 December 1970	2.3 °C2 July 1970	20.8 °C	1,784 mm	102	0
1969	35.3 °C21 December 1969	2.0 °C11 July 1969	20.6 °C	1,879 mm	98	0
1968	37.0 °C2 November 1968	3.0 °C17 May 1968	20.3 °C	1,451 mm	100	0
1967	35.8 °C21 December 1967	-0.3 °C14 June 1967	20.8 °C	2,070 mm	82	1
1966	34.7 °C15 March 1966	0.5 °C15 August 1966	20.3 °C	2,029 mm	73	0
1965	35.9 °C22 January 1965	1.1 °C11 July 1965	20.0 °C	2,147 mm	70	0
1964	36.4 °C30 January 1964	1.5 °C30 June 1964	19.9 °C	1,337 mm	101	0
1963	36.7 °C3 January 1963	1.1 °C6 August 1963	21.1 °C	1,916 mm	113	0
1962	38.9 °C24 December 1962	0.4 °C18 July 1962	19.5 °C	1,284 mm	86	0
1961	35.1 °C24 January 1961	0.3 °C16 June 1961	21.3 °C	1,534 mm	106	0
1960	36.0 °C9 December 1960	1.0 °C22 May 1960	20.1 °C	1,649 mm	97	0
1959	34.4 °C14 January 1959	4.4 °C10 June 1959	20.8 °C	2,221 mm	70	0
1958	36.4 °C5 January 1958	4.3 °C30 August 1958	20.8 °C	2,032 mm	76	0
1957	35.4 °C18 October 1957	2.2 °C22 July 1957	20.6 °C	1,856 mm	50	0
1956	32.6 °C5 February 1956	3.0 °C15 May 1956	19.6 °C	1,876 mm	32	0
1955	34.0 °C29 November 1955	0.8 °C31 July 1955	20.2 °C	2,150 mm	65	0
1954	34.1 °C30 November 1954	5.2 °C21 June 1954	20.6 °C	2,173 mm	50	0
1953	33.4 °C5 January 1953	5.1 °C6 July 1953	21.3 °C	2,112 mm	54	0
1952	35.9 °C11 December 1952	4.1 °C21 June 1952	20.6 °C	1,573 mm	61	0
1951	33.7 °C25 September 1951	5.1 °C9 July 1951	20.7 °C	2,204 mm	35	0
1950	32.6 °C10 November 1950	3.0 °C11 July 1950	20.3 °C	2,020 mm	28	0
1949	33.9 °C12 November 1949	3.1 °C14 May 1949	20.2 °C	2,156 mm	42	0
1948	33.1 °C24 September 1948	4.6 °C23 May 1948	20.4 °C	2,993 mm	19	0
1947	33.3 °C30 November 1947	3.6 °C11 July 1947	20.3 °C	2,309 mm	24	0
1946	32.1 °C16 November 1946	2.6 °C18 July 1946	20.3 °C	2,666 mm	25	0
1945	34.7 °C10 January 1945	2.5 °C10 July 1945	20.8 °C	1,823 mm	43	0
1944	34.3 °C26 March 1944	2.0 °C27 June 1944	22.0 °C	1,253 mm	97	0
1943	37.4 °C3 January 1943	3.4 °C29 August 1943	21.0 °C	950 mm	94	0
1942	40.3 °C26 November 1942	0.1 °C19 June 1942	20.6 °C	1,458 mm	111	0
1941	32.7 °C21 February 1941	3.2 °C26 June 1941	20.7 °C	2,669 mm	47	0
1940	32.6 °C21 March 1940	5.2 °C17 August 1940	20.5 °C	2,382 mm	42	0

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

26.8 °C

+0.5 °C

Hot days (≥ 30 °C)

114 d/yr

+18

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1964 mm

+10 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	33.2 °C	+2.5 °C	74 mm	-118 mm
Feb	33.4 °C	+3.2 °C	66 mm	-105 mm
Mar	31.3 °C	+2.1 °C	98 mm	-54 mm
Apr	25.4 °C	-0.9 °C	114 mm	-34 mm
May	24.3 °C	+1.5 °C	167 mm	+7 mm
Jun	18.7 °C	-2.2 °C	361 mm	+204 mm
Jul	21.9 °C	+0.7 °C	52 mm	-69 mm
Aug	22.8 °C	-0.4 °C	127 mm	+7 mm
Sep	26.0 °C	+0.9 °C	132 mm	-36 mm
Oct	26.2 °C	-0.7 °C	294 mm	+78 mm
Nov	29.0 °C	+0.1 °C	157 mm	-13 mm
Dec	29.8 °C	-0.6 °C	324 mm	+142 mm

The year's extremes

Hottest day

36.9 °C

2 Mar 2025

Coldest day

0.5 °C

24 Jun 2025

Wettest day

89.0 mm

12 Oct 2025

Windiest day

25.4 km/h

22 Sep 2025

Strongest gust

82.1 km/h

9 May 2025

Hottest feels-like

41.9 °C

4 Feb 2025

Coldest feels-like

-2.5 °C

24 Jun 2025

Sunniest day

13.5 h

8 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 Montecarlo?

Montecarlo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.9 °C and it receives 1,954 mm of precipitation per year.

What is the hottest day ever recorded in Montecarlo?

The hottest day measured in Montecarlo between 1940 and 2025 was 17 November 1985, reaching 41.0 °C.

What is the coldest day in Montecarlo?

The coldest day measured in Montecarlo between 1940 and 2025 was 18 July 1975, at -2.2 °C.

Does it snow in Montecarlo?

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

Has the climate of Montecarlo warmed?

Yes: Montecarlo warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Montecarlo?

The wettest day measured in Montecarlo between 1940 and 2025 was 14 November 2023, with 157 mm of rain in 24 hours.

What was the windiest day in Montecarlo?

The windiest day measured in Montecarlo between 1940 and 2025 was 23 November 1951, with winds reaching 43.9 km/h.

What is the warmest month in Montecarlo?

The warmest month in Montecarlo is January (25.3 °C on average); the coldest is July (15.9 °C).

How much does it rain in Montecarlo?

Montecarlo receives on average 1,954 mm of precipitation per year, spread over about 145 rainy days.

Is it sunny in Montecarlo?

Montecarlo gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.

Are there tropical nights in Montecarlo?

Yes: Montecarlo has on average 99 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Montecarlo?

In Montecarlo, between 1940 and 2025, the highest apparent temperature reached 45.0 °C on 17 November 1985, and the lowest was -5.4 °C on 18 July 1975.

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