Ijuí climate — normals and trends

Q: What is the climate of Ijuí?

Ijuí has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.5 °C and it receives 1,841 mm of precipitation per year.

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

The hottest day measured in Ijuí between 1940 and 2025 was 16 November 1985, reaching 40.3 °C.

Q: What is the coldest day in Ijuí?

The coldest day measured in Ijuí between 1940 and 2025 was 18 July 1975, at -4.4 °C.

Q: Does it snow in Ijuí?

Almost never: Ijuí sees virtually no snow, with about 1 frost days per year.

Q: Has the climate of Ijuí warmed?

Yes: Ijuí warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ijuí?

The wettest day measured in Ijuí between 1940 and 2025 was 25 April 2017, with 140 mm of rain in 24 hours.

Q: What was the windiest day in Ijuí?

The windiest day measured in Ijuí between 1940 and 2025 was 29 April 1992, with winds reaching 56.4 km/h.

Q: What is the warmest month in Ijuí?

The warmest month in Ijuí is January (24.3 °C on average); the coldest is July (14.1 °C).

Q: How much does it rain in Ijuí?

Ijuí receives on average 1,841 mm of precipitation per year, spread over about 136 rainy days.

Q: Is it sunny in Ijuí?

Ijuí gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

Ijuí (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.5 °C and it receives 1,841 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 (24.3 °C on average) and the coldest is July (14.1 °C). Rainfall peaks in October.

Ijuí averages 1 frost days, 64 hot days (≥ 30 °C) and 136 rainy days per year.

Ijuí has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.3 °C (on 16 November 1985) and the coldest -4.4 °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

IjuíRio Grande do Sul

coords: -28.39°, -53.91°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthAugust

Mean daily temperature

19.5°C

Average daily high

24.8°C

Average daily low

14.9°C

Annual rainfall

1,841mm

Sunshine / day

8.9h

Mean relative humidity

76%

Average peak wind

17.6km/h

Seasonal range

10.2°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

64 d/yr

Rainy days (≥ 1 mm)

136 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.1 °C

Average feels-like low

14.3 °C

Average peak gust

34.7 km/h

Tropical nights (≥ 20 °C)

58 d/yr

Solar radiation

16.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.26 · 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

40.3 °C

16 November 1985

Coldest day

-4.4 °C

18 July 1975

Wettest day

140 mm

25 April 2017

Windiest day

56.4 km/h

29 April 1992

Strongest gust

112.0 km/h

5 June 1992

Hottest feels-like

44.0 °C

24 January 2022

Coldest feels-like

-8.5 °C

18 July 1975

Snowiest day

0.9 cm

20 August 1965

Sunniest day

13.6 h

6 January 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	37.3 °C7 December 2025	-1.6 °C1 July 2025	19.8 °C	1,777 mm	98	2
2024	35.9 °C10 February 2024	0.5 °C30 June 2024	20.4 °C	2,166 mm	88	0
2023	36.1 °C1 January 2023	2.9 °C13 August 2023	20.5 °C	2,237 mm	92	0
2022	37.8 °C16 January 2022	0.3 °C11 June 2022	19.5 °C	1,455 mm	94	0
2021	36.0 °C19 December 2021	-0.9 °C29 July 2021	19.7 °C	1,284 mm	81	1
2020	37.7 °C11 December 2020	-0.8 °C21 August 2020	20.1 °C	1,217 mm	103	1
2019	38.1 °C1 October 2019	-1.8 °C7 July 2019	20.4 °C	1,706 mm	88	2
2018	35.9 °C11 December 2018	0.3 °C17 June 2018	19.9 °C	1,535 mm	83	0
2017	36.1 °C16 December 2017	-0.6 °C18 July 2017	20.5 °C	2,282 mm	81	1
2016	36.1 °C24 January 2016	-1.1 °C12 June 2016	19.5 °C	1,856 mm	82	2
2015	35.2 °C13 January 2015	1.4 °C12 September 2015	20.2 °C	2,475 mm	62	0
2014	36.4 °C7 February 2014	0.7 °C14 August 2014	20.1 °C	2,453 mm	88	0
2013	36.7 °C25 December 2013	-0.2 °C24 July 2013	19.3 °C	1,657 mm	69	1
2012	37.3 °C12 March 2012	-1.0 °C7 June 2012	20.8 °C	1,345 mm	119	2
2011	37.8 °C20 December 2011	-1.7 °C5 July 2011	19.8 °C	1,786 mm	89	5
2010	36.1 °C5 February 2010	-1.3 °C14 July 2010	19.4 °C	1,659 mm	78	2
2009	36.6 °C2 November 2009	-3.8 °C25 July 2009	19.5 °C	1,916 mm	92	4
2008	37.2 °C8 December 2008	-1.4 °C17 June 2008	19.4 °C	1,629 mm	87	1
2007	36.2 °C4 December 2007	0.0 °C29 July 2007	19.7 °C	1,966 mm	103	0
2006	38.3 °C10 January 2006	-0.7 °C22 August 2006	20.0 °C	1,615 mm	90	3
2005	37.1 °C22 December 2005	1.0 °C20 July 2005	20.1 °C	1,531 mm	107	0
2004	35.6 °C2 March 2004	-1.5 °C11 July 2004	19.6 °C	1,353 mm	91	2
2003	36.9 °C11 November 2003	-1.1 °C12 July 2003	19.6 °C	1,860 mm	74	1
2002	36.7 °C10 March 2002	-0.6 °C2 September 2002	19.9 °C	2,575 mm	76	1
2001	35.7 °C20 December 2001	-1.3 °C28 July 2001	20.0 °C	1,999 mm	74	3
2000	35.2 °C8 January 2000	-3.5 °C14 July 2000	19.1 °C	2,221 mm	70	6
1999	35.3 °C27 December 1999	-0.5 °C15 August 1999	19.2 °C	1,698 mm	86	1
1998	36.2 °C8 December 1998	1.7 °C25 June 1998	19.2 °C	2,683 mm	61	0
1997	34.9 °C29 January 1997	-0.9 °C30 June 1997	20.0 °C	2,222 mm	76	3
1996	36.9 °C11 January 1996	-2.0 °C29 June 1996	19.1 °C	2,041 mm	65	2
1995	38.8 °C18 December 1995	-2.1 °C5 August 1995	19.6 °C	1,773 mm	78	1
1994	37.6 °C11 December 1994	-1.8 °C10 July 1994	19.8 °C	2,220 mm	66	2
1993	34.0 °C11 October 1993	-2.0 °C15 July 1993	19.1 °C	2,014 mm	69	3
1992	34.5 °C14 November 1992	-1.1 °C2 August 1992	18.9 °C	1,935 mm	52	2
1991	35.5 °C20 January 1991	-2.9 °C2 August 1991	19.8 °C	1,615 mm	89	4
1990	35.9 °C15 November 1990	-2.0 °C28 July 1990	18.9 °C	2,198 mm	58	4
1989	35.8 °C6 December 1989	-1.1 °C6 July 1989	19.0 °C	1,689 mm	70	1
1988	36.6 °C12 January 1988	-2.3 °C25 July 1988	19.1 °C	1,442 mm	90	5
1987	35.5 °C1 December 1987	-1.6 °C24 June 1987	19.2 °C	2,589 mm	69	3
1986	38.6 °C16 January 1986	2.2 °C5 September 1986	20.2 °C	2,167 mm	87	0
1985	40.3 °C16 November 1985	-0.5 °C11 July 1985	20.3 °C	1,891 mm	108	1
1984	35.5 °C28 October 1984	-0.3 °C26 August 1984	19.5 °C	2,515 mm	70	1
1983	34.5 °C30 December 1983	0.4 °C9 September 1983	19.0 °C	2,380 mm	71	0
1982	35.5 °C27 January 1982	2.1 °C29 June 1982	19.8 °C	1,872 mm	60	0
1981	34.4 °C14 March 1981	-1.2 °C19 June 1981	19.8 °C	1,537 mm	77	1
1980	34.0 °C22 January 1980	-1.9 °C31 July 1980	19.6 °C	1,825 mm	77	5
1979	37.7 °C6 February 1979	0.2 °C17 July 1979	19.0 °C	1,768 mm	72	0
1978	36.0 °C18 March 1978	-0.2 °C31 August 1978	19.7 °C	1,294 mm	76	1
1977	35.0 °C23 October 1977	2.2 °C14 August 1977	20.3 °C	1,950 mm	93	0
1976	35.5 °C14 December 1976	-0.9 °C10 July 1976	18.5 °C	1,490 mm	53	4
1975	35.6 °C15 November 1975	-4.4 °C18 July 1975	19.0 °C	1,879 mm	52	2
1974	35.6 °C3 January 1974	-0.8 °C13 June 1974	19.0 °C	1,665 mm	65	1
1973	35.1 °C12 January 1973	0.7 °C7 September 1973	19.2 °C	2,359 mm	60	0
1972	36.7 °C28 December 1972	-0.9 °C1 September 1972	19.3 °C	2,603 mm	54	2
1971	37.4 °C29 December 1971	-1.7 °C12 June 1971	18.9 °C	1,774 mm	62	3
1970	35.6 °C27 December 1970	0.4 °C2 July 1970	19.5 °C	1,706 mm	69	0
1969	34.4 °C21 December 1969	1.1 °C19 June 1969	19.0 °C	2,065 mm	53	0
1968	36.4 °C9 February 1968	1.6 °C21 June 1968	19.3 °C	1,264 mm	93	0
1967	35.3 °C18 December 1967	-3.3 °C14 June 1967	19.3 °C	2,067 mm	42	2
1966	33.5 °C11 December 1966	-1.3 °C6 August 1966	18.6 °C	2,089 mm	26	1
1965	35.5 °C1 February 1965	0.1 °C16 July 1965	19.0 °C	1,854 mm	67	0
1964	34.2 °C20 December 1964	0.0 °C29 June 1964	18.5 °C	1,211 mm	59	0
1963	36.9 °C2 January 1963	-1.3 °C6 August 1963	19.5 °C	1,801 mm	61	1
1962	38.3 °C25 December 1962	-0.2 °C30 May 1962	18.3 °C	1,082 mm	55	2
1961	33.6 °C31 January 1961	-2.4 °C16 June 1961	19.6 °C	1,839 mm	58	3
1960	35.4 °C9 December 1960	-1.2 °C25 June 1960	18.9 °C	1,609 mm	55	1
1959	32.3 °C21 January 1959	2.7 °C10 June 1959	19.1 °C	2,270 mm	19	0
1958	34.9 °C7 January 1958	2.7 °C19 June 1958	19.1 °C	1,771 mm	38	0
1957	33.4 °C17 October 1957	0.7 °C3 August 1957	19.0 °C	1,697 mm	25	0
1956	31.2 °C5 February 1956	0.7 °C15 May 1956	18.0 °C	1,577 mm	4	0
1955	32.7 °C29 November 1955	-2.4 °C8 July 1955	18.5 °C	1,847 mm	20	3
1954	33.2 °C10 December 1954	1.7 °C8 August 1954	19.0 °C	2,148 mm	25	0
1953	33.6 °C5 January 1953	2.6 °C20 July 1953	19.8 °C	1,890 mm	27	0
1952	35.4 °C27 December 1952	3.2 °C17 June 1952	19.1 °C	1,489 mm	33	0
1951	31.1 °C25 September 1951	2.0 °C6 July 1951	19.0 °C	1,679 mm	4	0
1950	30.9 °C10 November 1950	-0.4 °C11 July 1950	18.8 °C	1,785 mm	10	1
1949	33.5 °C26 December 1949	1.6 °C19 July 1949	18.8 °C	1,529 mm	21	0
1948	31.5 °C25 September 1948	0.8 °C8 August 1948	19.0 °C	2,590 mm	10	0
1947	32.5 °C29 November 1947	-0.3 °C11 July 1947	19.0 °C	1,718 mm	10	1
1946	31.1 °C14 February 1946	0.2 °C19 July 1946	18.9 °C	2,061 mm	9	0
1945	34.4 °C15 January 1945	-0.3 °C9 July 1945	19.8 °C	1,282 mm	34	1
1944	33.4 °C20 December 1944	-0.4 °C27 June 1944	20.5 °C	1,395 mm	55	1
1943	37.7 °C17 January 1943	2.3 °C28 August 1943	20.1 °C	808 mm	75	0
1942	38.9 °C26 November 1942	-1.1 °C5 July 1942	19.2 °C	1,287 mm	59	3
1941	31.7 °C25 November 1941	-0.2 °C26 June 1941	19.3 °C	2,231 mm	15	1
1940	32.9 °C14 January 1940	1.8 °C9 August 1940	19.3 °C	2,046 mm	40	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

+0.5 °C

Hot days (≥ 30 °C)

98 d/yr

+34

Frost days (< 0 °C)

2 d/yr

Annual rainfall

1777 mm

-64 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.9 °C	+2.3 °C	56 mm	-127 mm
Feb	32.5 °C	+3.6 °C	143 mm	+2 mm
Mar	30.8 °C	+2.8 °C	46 mm	-86 mm
Apr	24.6 °C	-0.5 °C	97 mm	-52 mm
May	22.6 °C	+1.0 °C	202 mm	+56 mm
Jun	16.4 °C	-3.0 °C	241 mm	+84 mm
Jul	19.1 °C	-0.2 °C	65 mm	-67 mm
Aug	20.3 °C	-0.6 °C	140 mm	+14 mm
Sep	22.5 °C	-0.1 °C	238 mm	+69 mm
Oct	24.9 °C	-0.2 °C	201 mm	-5 mm
Nov	28.3 °C	+0.8 °C	93 mm	-56 mm
Dec	29.8 °C	+0.4 °C	255 mm	+103 mm

The year's extremes

Hottest day

37.3 °C

7 Dec 2025

Coldest day

-1.6 °C

1 Jul 2025

Wettest day

66.0 mm

21 Sep 2025

Windiest day

32.7 km/h

20 Aug 2025

Strongest gust

84.2 km/h

7 Nov 2025

Hottest feels-like

41.0 °C

2 Mar 2025

Coldest feels-like

-5.0 °C

1 Jul 2025

Sunniest day

13.6 h

4 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 Ijuí?

Ijuí has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.5 °C and it receives 1,841 mm of precipitation per year.

What is the hottest day ever recorded in Ijuí?

The hottest day measured in Ijuí between 1940 and 2025 was 16 November 1985, reaching 40.3 °C.

What is the coldest day in Ijuí?

The coldest day measured in Ijuí between 1940 and 2025 was 18 July 1975, at -4.4 °C.

Does it snow in Ijuí?

Almost never: Ijuí sees virtually no snow, with about 1 frost days per year.

Has the climate of Ijuí warmed?

Yes: Ijuí warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ijuí?

The wettest day measured in Ijuí between 1940 and 2025 was 25 April 2017, with 140 mm of rain in 24 hours.

What was the windiest day in Ijuí?

The windiest day measured in Ijuí between 1940 and 2025 was 29 April 1992, with winds reaching 56.4 km/h.

What is the warmest month in Ijuí?

The warmest month in Ijuí is January (24.3 °C on average); the coldest is July (14.1 °C).

How much does it rain in Ijuí?

Ijuí receives on average 1,841 mm of precipitation per year, spread over about 136 rainy days.

Is it sunny in Ijuí?

Ijuí gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.

What is the biggest single-day snowfall in Ijuí?

The heaviest 24-hour snowfall measured in Ijuí between 1940 and 2025 was 20 August 1965, with 0.9 cm.

Are there tropical nights in Ijuí?

Yes: Ijuí has on average 58 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ijuí?

In Ijuí, between 1940 and 2025, the highest apparent temperature reached 44.0 °C on 24 January 2022, and the lowest was -8.5 °C on 18 July 1975.

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