Federal climate — normals and trends

Q: What is the climate of Federal?

Federal has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.9 °C and it receives 1,237 mm of precipitation per year.

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

The hottest day measured in Federal between 1940 and 2025 was 29 December 1971, reaching 40.9 °C.

Q: What is the coldest day in Federal?

The coldest day measured in Federal between 1940 and 2025 was 2 August 1991, at -4.5 °C.

Q: Does it snow in Federal?

Almost never: Federal sees virtually no snow, with about 3 frost days per year.

Q: Has the climate of Federal warmed?

Between 1940 and 2025, no statistically significant temperature trend emerges in Federal.

Q: What is the wettest day in Federal?

The wettest day measured in Federal between 1940 and 2025 was 24 November 1948, with 130 mm of rain in 24 hours.

Q: What was the windiest day in Federal?

The windiest day measured in Federal between 1940 and 2025 was 17 October 1982, with winds reaching 50.6 km/h.

Q: What is the warmest month in Federal?

The warmest month in Federal is January (25.6 °C on average); the coldest is July (12.5 °C).

Q: How much does it rain in Federal?

Federal receives on average 1,237 mm of precipitation per year, spread over about 96 rainy days.

Q: Is it sunny in Federal?

Federal gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.

Federal (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.9 °C and it receives 1,237 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 (25.6 °C on average) and the coldest is July (12.5 °C). Rainfall peaks in October.

Federal averages 3 frost days, 73 hot days (≥ 30 °C) and 96 rainy days per year.

No statistically significant temperature trend emerges for Federal between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.

The hottest day of the period reached 40.9 °C (on 29 December 1971) and the coldest -4.5 °C (on 2 August 1991).

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

FederalEntre Rios

coords: -30.96°, -58.78°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthJuly

Mean daily temperature

18.9°C

Average daily high

24.3°C

Average daily low

14.0°C

Annual rainfall

1,237mm

Sunshine / day

9.5h

Mean relative humidity

73%

Average peak wind

18.0km/h

Seasonal range

13.1°C

Frost days (< 0 °C)

3 d/yr

Hot days (≥ 30 °C)

73 d/yr

Rainy days (≥ 1 mm)

96 d/yr

Annual snowfall

0.0 cm

Average feels-like high

24.8 °C

Average feels-like low

13.0 °C

Average peak gust

34.2 km/h

Tropical nights (≥ 20 °C)

60 d/yr

Solar radiation

17.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

No clear trend over this period

Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.

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

40.9 °C

29 December 1971

Coldest day

-4.5 °C

2 August 1991

Wettest day

130 mm

24 November 1948

Windiest day

50.6 km/h

17 October 1982

Strongest gust

93.6 km/h

17 October 1982

Hottest feels-like

47.0 °C

20 January 2022

Coldest feels-like

-8.8 °C

8 June 2012

Sunniest day

14.0 h

30 December 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	40.6 °C10 February 2025	-4.0 °C1 July 2025	19.2 °C	990 mm	104	6
2024	37.4 °C3 February 2024	-4.4 °C12 July 2024	19.2 °C	1,336 mm	65	7
2023	40.8 °C20 January 2023	-0.1 °C13 August 2023	20.1 °C	1,150 mm	97	1
2022	40.6 °C13 January 2022	-2.8 °C19 August 2022	18.5 °C	818 mm	82	4
2021	38.3 °C22 November 2021	-2.0 °C29 July 2021	19.0 °C	793 mm	97	4
2020	40.1 °C24 November 2020	-3.2 °C29 July 2020	19.0 °C	773 mm	95	7
2019	37.1 °C2 January 2019	-3.6 °C6 July 2019	18.7 °C	1,717 mm	62	4
2018	36.3 °C7 February 2018	-1.3 °C16 June 2018	19.2 °C	1,065 mm	93	3
2017	36.5 °C15 November 2017	-1.3 °C18 July 2017	19.5 °C	1,478 mm	73	2
2016	37.6 °C23 January 2016	-0.8 °C12 June 2016	18.6 °C	1,357 mm	76	1
2015	34.8 °C26 January 2015	-1.8 °C19 June 2015	19.4 °C	1,330 mm	79	2
2014	39.0 °C23 January 2014	-0.2 °C25 July 2014	19.2 °C	1,715 mm	62	1
2013	39.9 °C30 December 2013	-3.2 °C14 August 2013	18.9 °C	1,143 mm	78	3
2012	38.1 °C10 January 2012	-4.5 °C8 June 2012	19.3 °C	1,314 mm	84	7
2011	40.0 °C16 January 2011	-2.6 °C4 July 2011	18.7 °C	1,255 mm	81	6
2010	37.0 °C27 December 2010	-1.2 °C16 July 2010	18.6 °C	1,200 mm	73	5
2009	39.0 °C2 November 2009	-1.8 °C24 July 2009	19.1 °C	1,240 mm	88	3
2008	39.4 °C8 December 2008	-2.7 °C30 May 2008	19.4 °C	663 mm	110	3
2007	36.4 °C3 February 2007	-3.7 °C11 July 2007	18.2 °C	1,141 mm	79	6
2006	40.3 °C10 January 2006	-0.7 °C5 September 2006	19.6 °C	981 mm	102	2
2005	39.4 °C7 January 2005	-1.5 °C19 July 2005	18.9 °C	1,357 mm	72	1
2004	38.0 °C4 September 2004	-2.8 °C11 July 2004	19.1 °C	906 mm	83	2
2003	38.0 °C11 November 2003	-0.3 °C11 July 2003	18.7 °C	1,513 mm	69	2
2002	36.8 °C27 February 2002	-0.8 °C13 June 2002	18.9 °C	1,978 mm	66	2
2001	36.6 °C6 January 2001	-2.2 °C28 July 2001	19.2 °C	1,583 mm	77	1
2000	37.1 °C7 January 2000	-2.9 °C17 July 2000	18.4 °C	1,535 mm	69	8
1999	38.3 °C26 December 1999	-0.6 °C15 August 1999	18.7 °C	1,125 mm	81	2
1998	36.8 °C27 December 1998	2.0 °C25 June 1998	18.3 °C	1,914 mm	42	0
1997	37.9 °C7 January 1997	-1.0 °C4 July 1997	19.8 °C	1,107 mm	86	5
1996	39.2 °C30 December 1996	-2.3 °C29 June 1996	19.2 °C	1,219 mm	91	6
1995	39.3 °C16 December 1995	-3.1 °C4 August 1995	18.6 °C	959 mm	76	5
1994	38.2 °C20 January 1994	-1.0 °C10 July 1994	19.4 °C	1,113 mm	82	2
1993	37.8 °C11 October 1993	-2.4 °C1 June 1993	18.4 °C	1,335 mm	66	5
1992	36.1 °C8 February 1992	-2.7 °C16 July 1992	18.3 °C	1,325 mm	72	6
1991	36.3 °C24 March 1991	-4.5 °C2 August 1991	18.8 °C	1,519 mm	70	6
1990	37.9 °C27 January 1990	-2.5 °C28 July 1990	18.4 °C	1,546 mm	46	7
1989	38.9 °C12 February 1989	-3.2 °C3 July 1989	19.1 °C	956 mm	91	2
1988	39.6 °C4 January 1988	-3.5 °C11 July 1988	17.9 °C	1,308 mm	78	9
1987	38.7 °C25 February 1987	-2.4 °C15 June 1987	18.6 °C	1,052 mm	78	3
1986	40.3 °C25 January 1986	0.9 °C31 May 1986	19.4 °C	1,705 mm	70	0
1985	37.2 °C17 December 1985	0.1 °C6 July 1985	19.1 °C	1,288 mm	84	0
1984	35.8 °C5 January 1984	-1.9 °C28 June 1984	18.2 °C	1,319 mm	51	5
1983	36.9 °C27 December 1983	-2.0 °C5 June 1983	18.3 °C	1,506 mm	69	1
1982	37.1 °C30 December 1982	0.7 °C29 June 1982	19.1 °C	1,338 mm	69	0
1981	35.9 °C30 October 1981	-1.1 °C18 June 1981	18.9 °C	1,204 mm	66	5
1980	39.5 °C29 February 1980	-2.8 °C15 July 1980	19.3 °C	1,218 mm	98	6
1979	39.1 °C26 January 1979	-0.8 °C15 June 1979	18.5 °C	874 mm	68	2
1978	36.2 °C1 December 1978	-0.7 °C9 June 1978	18.4 °C	1,209 mm	64	1
1977	36.0 °C27 December 1977	0.8 °C17 May 1977	18.8 °C	1,386 mm	76	0
1976	35.8 °C1 January 1976	-4.4 °C10 July 1976	18.0 °C	988 mm	51	3
1975	37.8 °C26 January 1975	-2.8 °C18 July 1975	18.2 °C	1,207 mm	62	3
1974	36.9 °C2 January 1974	-2.1 °C13 June 1974	18.1 °C	1,195 mm	42	7
1973	38.8 °C12 January 1973	-0.1 °C2 July 1973	18.2 °C	1,491 mm	50	1
1972	37.4 °C11 January 1972	-1.8 °C4 August 1972	18.5 °C	1,394 mm	60	1
1971	40.9 °C29 December 1971	-2.3 °C16 June 1971	18.1 °C	1,212 mm	65	2
1970	36.5 °C27 February 1970	-1.5 °C2 July 1970	18.6 °C	1,599 mm	74	4
1969	35.6 °C30 January 1969	-3.0 °C18 June 1969	18.5 °C	1,340 mm	60	3
1968	40.8 °C11 December 1968	0.7 °C2 September 1968	18.6 °C	1,569 mm	72	0
1967	38.3 °C27 December 1967	-4.0 °C14 June 1967	18.9 °C	1,793 mm	77	2
1966	35.6 °C5 February 1966	-1.8 °C5 August 1966	18.1 °C	1,186 mm	52	2
1965	39.5 °C18 February 1965	-3.0 °C11 July 1965	18.7 °C	910 mm	80	3
1964	37.7 °C25 January 1964	-1.2 °C24 June 1964	17.8 °C	961 mm	50	4
1963	38.8 °C2 January 1963	-0.4 °C6 August 1963	18.7 °C	1,649 mm	52	2
1962	38.4 °C23 December 1962	-2.3 °C25 July 1962	18.4 °C	503 mm	98	4
1961	36.2 °C20 January 1961	-2.1 °C15 June 1961	18.8 °C	1,057 mm	64	3
1960	36.5 °C24 February 1960	-2.0 °C8 July 1960	18.6 °C	895 mm	75	4
1959	35.8 °C4 February 1959	1.1 °C23 June 1959	18.4 °C	1,374 mm	56	0
1958	38.5 °C13 February 1958	-0.3 °C18 June 1958	18.4 °C	1,192 mm	50	1
1957	36.8 °C8 January 1957	-1.5 °C14 July 1957	18.7 °C	1,403 mm	71	4
1956	37.0 °C4 January 1956	0.2 °C11 June 1956	18.1 °C	1,386 mm	40	0
1955	38.5 °C17 January 1955	-1.4 °C8 July 1955	18.3 °C	1,433 mm	53	4
1954	36.4 °C8 December 1954	2.4 °C7 August 1954	18.7 °C	1,096 mm	63	0
1953	36.7 °C4 January 1953	-0.1 °C24 July 1953	19.3 °C	1,292 mm	54	1
1952	37.4 °C27 December 1952	1.8 °C15 June 1952	19.0 °C	1,119 mm	76	0
1951	35.4 °C15 January 1951	1.8 °C27 June 1951	19.3 °C	1,658 mm	43	0
1950	37.4 °C29 January 1950	0.4 °C31 July 1950	19.2 °C	993 mm	89	0
1949	37.2 °C25 February 1949	0.6 °C17 July 1949	19.0 °C	930 mm	85	0
1948	35.5 °C1 January 1948	1.0 °C28 July 1948	19.1 °C	1,454 mm	52	0
1947	36.5 °C1 February 1947	0.2 °C9 July 1947	19.4 °C	973 mm	74	0
1946	39.1 °C18 January 1946	1.6 °C24 July 1946	19.3 °C	1,019 mm	70	0
1945	38.5 °C21 December 1945	-1.3 °C23 June 1945	20.2 °C	659 mm	105	2
1944	36.8 °C22 December 1944	1.4 °C7 July 1944	20.0 °C	1,476 mm	72	0
1943	40.7 °C4 January 1943	2.4 °C6 July 1943	20.8 °C	826 mm	115	0
1942	36.6 °C9 December 1942	-0.7 °C19 June 1942	18.7 °C	894 mm	65	3
1941	37.5 °C16 February 1941	0.1 °C18 July 1941	19.2 °C	1,052 mm	68	0
1940	35.3 °C9 March 1940	0.9 °C2 August 1940	18.7 °C	1,341 mm	67	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

25.3 °C

+1.0 °C

Hot days (≥ 30 °C)

104 d/yr

+31

Frost days (< 0 °C)

6 d/yr

Annual rainfall

990 mm

-247 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	33.1 °C	+2.0 °C	26 mm	-97 mm
Feb	34.2 °C	+4.2 °C	58 mm	-55 mm
Mar	29.9 °C	+1.9 °C	94 mm	-28 mm
Apr	24.0 °C	-0.1 °C	46 mm	-77 mm
May	22.6 °C	+1.9 °C	172 mm	+78 mm
Jun	15.8 °C	-2.0 °C	32 mm	-39 mm
Jul	18.4 °C	+0.7 °C	52 mm	-14 mm
Aug	20.3 °C	+0.8 °C	82 mm	+4 mm
Sep	21.7 °C	+0.3 °C	84 mm	-23 mm
Oct	25.7 °C	+1.6 °C	74 mm	-53 mm
Nov	27.3 °C	+0.2 °C	85 mm	-27 mm
Dec	30.6 °C	+0.8 °C	186 mm	+85 mm

The year's extremes

Hottest day

40.6 °C

10 Feb 2025

Coldest day

-4.0 °C

1 Jul 2025

Wettest day

94.3 mm

8 Dec 2025

Windiest day

35.1 km/h

31 Aug 2025

Strongest gust

74.9 km/h

24 Oct 2025

Hottest feels-like

43.9 °C

9 Feb 2025

Coldest feels-like

-7.8 °C

1 Jul 2025

Sunniest day

14.0 h

2 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 Federal?

Federal has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.9 °C and it receives 1,237 mm of precipitation per year.

What is the hottest day ever recorded in Federal?

The hottest day measured in Federal between 1940 and 2025 was 29 December 1971, reaching 40.9 °C.

What is the coldest day in Federal?

The coldest day measured in Federal between 1940 and 2025 was 2 August 1991, at -4.5 °C.

Does it snow in Federal?

Almost never: Federal sees virtually no snow, with about 3 frost days per year.

Has the climate of Federal warmed?

Between 1940 and 2025, no statistically significant temperature trend emerges in Federal.

What is the wettest day in Federal?

The wettest day measured in Federal between 1940 and 2025 was 24 November 1948, with 130 mm of rain in 24 hours.

What was the windiest day in Federal?

The windiest day measured in Federal between 1940 and 2025 was 17 October 1982, with winds reaching 50.6 km/h.

What is the warmest month in Federal?

The warmest month in Federal is January (25.6 °C on average); the coldest is July (12.5 °C).

How much does it rain in Federal?

Federal receives on average 1,237 mm of precipitation per year, spread over about 96 rainy days.

Is it sunny in Federal?

Federal gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.

Are there tropical nights in Federal?

Yes: Federal has on average 60 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Federal?

In Federal, between 1940 and 2025, the highest apparent temperature reached 47.0 °C on 20 January 2022, and the lowest was -8.8 °C on 8 June 2012.

Compare Federal with another city

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