Ibiúna climate — normals and trends

Q: What is the climate of Ibiúna?

Ibiúna has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 18.5 °C and it receives 1,635 mm of precipitation per year.

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

The hottest day measured in Ibiúna between 1940 and 2025 was 27 September 1961, reaching 34.9 °C.

Q: What is the coldest day in Ibiúna?

The coldest day measured in Ibiúna between 1940 and 2025 was 29 July 1990, at -0.7 °C.

Q: Does it snow in Ibiúna?

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

Q: Has the climate of Ibiúna warmed?

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

Q: What is the wettest day in Ibiúna?

The wettest day measured in Ibiúna between 1940 and 2025 was 14 March 1962, with 121 mm of rain in 24 hours.

Q: What was the windiest day in Ibiúna?

The windiest day measured in Ibiúna between 1940 and 2025 was 10 December 2025, with winds reaching 44.3 km/h.

Q: What is the warmest month in Ibiúna?

The warmest month in Ibiúna is February (21.5 °C on average); the coldest is July (15.3 °C).

Q: How much does it rain in Ibiúna?

Ibiúna receives on average 1,635 mm of precipitation per year, spread over about 183 rainy days.

Q: Is it sunny in Ibiúna?

Ibiúna gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Ibiúna (Brazil) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 18.5 °C and it receives 1,635 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 February (21.5 °C on average) and the coldest is July (15.3 °C). Rainfall peaks in January.

Ibiúna averages 0 frost days, 11 hot days (≥ 30 °C) and 183 rainy days per year.

Ibiúna 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 34.9 °C (on 27 September 1961) and the coldest -0.7 °C (on 29 July 1990).

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

IbiúnaSão Paulo

coords: -23.66°, -47.22°
period: 1940–2025 · 86 yrs

CfbTemperate oceanicWarmest monthFebruaryColdest monthJulyWettest monthJanuaryDriest monthAugust

Mean daily temperature

18.5°C

Average daily high

23.3°C

Average daily low

15.0°C

Annual rainfall

1,635mm

Sunshine / day

9.3h

Mean relative humidity

83%

Average peak wind

15.7km/h

Seasonal range

6.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

11 d/yr

Rainy days (≥ 1 mm)

183 d/yr

Annual snowfall

0.0 cm

Average feels-like high

24.4 °C

Average feels-like low

15.0 °C

Average peak gust

36.0 km/h

Tropical nights (≥ 20 °C)

13 d/yr

Solar radiation

16.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.7 °C

since 1940

+0.2 °C per decade · r² = 0.56 · 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

34.9 °C

27 September 1961

Coldest day

-0.7 °C

29 July 1990

Wettest day

121 mm

14 March 1962

Windiest day

44.3 km/h

10 December 2025

Strongest gust

98.3 km/h

22 September 2025

Hottest feels-like

39.6 °C

19 January 2015

Coldest feels-like

-4.7 °C

29 July 1990

Sunniest day

13.5 h

16 December 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	32.8 °C26 December 2025	2.2 °C25 June 2025	18.8 °C	1,370 mm	29	0
2024	33.2 °C26 September 2024	2.2 °C27 August 2024	19.9 °C	1,601 mm	35	0
2023	34.5 °C24 September 2023	7.3 °C17 June 2023	19.5 °C	1,479 mm	35	0
2022	31.6 °C28 February 2022	3.4 °C13 June 2022	18.4 °C	1,469 mm	13	0
2021	33.1 °C20 September 2021	-0.2 °C30 July 2021	18.5 °C	1,300 mm	11	1
2020	34.9 °C7 October 2020	5.9 °C2 July 2020	18.9 °C	1,332 mm	21	0
2019	33.5 °C2 February 2019	2.3 °C7 July 2019	19.7 °C	1,333 mm	40	0
2018	31.8 °C12 December 2018	6.4 °C12 July 2018	19.3 °C	1,280 mm	19	0
2017	33.4 °C13 October 2017	5.7 °C18 July 2017	19.5 °C	1,352 mm	30	0
2016	33.5 °C19 October 2016	2.3 °C13 June 2016	19.4 °C	1,497 mm	33	0
2015	33.7 °C19 September 2015	8.5 °C16 June 2015	20.1 °C	1,929 mm	36	0
2014	34.1 °C7 February 2014	6.0 °C3 June 2014	19.9 °C	1,109 mm	56	0
2013	32.7 °C27 December 2013	4.0 °C24 July 2013	18.8 °C	1,501 mm	20	0
2012	33.5 °C30 October 2012	6.6 °C15 July 2012	19.4 °C	1,683 mm	33	0
2011	31.9 °C1 October 2011	3.8 °C28 June 2011	18.7 °C	1,470 mm	22	0
2010	31.8 °C5 February 2010	5.8 °C7 June 2010	19.0 °C	1,701 mm	22	0
2009	31.5 °C2 March 2009	5.7 °C3 June 2009	19.1 °C	1,877 mm	11	0
2008	31.9 °C15 October 2008	5.3 °C17 June 2008	18.7 °C	1,830 mm	6	0
2007	32.6 °C21 October 2007	4.7 °C4 June 2007	19.2 °C	1,349 mm	21	0
2006	32.6 °C15 September 2006	4.8 °C22 August 2006	19.0 °C	1,352 mm	16	0
2005	31.4 °C29 August 2005	6.9 °C26 July 2005	19.2 °C	1,486 mm	9	0
2004	32.6 °C26 September 2004	5.6 °C8 August 2004	18.4 °C	1,556 mm	6	0
2003	31.7 °C16 December 2003	4.1 °C18 August 2003	18.9 °C	1,397 mm	18	0
2002	33.5 °C16 October 2002	3.3 °C3 September 2002	19.7 °C	1,366 mm	19	0
2001	30.3 °C8 January 2001	4.7 °C21 June 2001	19.1 °C	1,610 mm	3	0
2000	32.3 °C23 October 2000	1.3 °C17 July 2000	18.7 °C	1,632 mm	6	0
1999	31.5 °C7 September 1999	4.5 °C15 August 1999	18.4 °C	1,710 mm	9	0
1998	31.5 °C27 January 1998	6.9 °C17 July 1998	18.9 °C	1,772 mm	12	0
1997	32.3 °C11 November 1997	4.7 °C9 June 1997	19.0 °C	1,745 mm	13	0
1996	32.0 °C30 January 1996	4.7 °C2 August 1996	18.5 °C	2,038 mm	8	0
1995	31.3 °C10 November 1995	8.0 °C20 May 1995	19.0 °C	2,051 mm	19	0
1994	32.1 °C13 October 1994	0.6 °C26 June 1994	19.3 °C	1,521 mm	16	0
1993	31.3 °C2 January 1993	2.8 °C1 August 1993	19.0 °C	1,677 mm	9	0
1992	30.4 °C15 November 1992	5.6 °C26 August 1992	18.7 °C	1,387 mm	1	0
1991	31.1 °C16 October 1991	3.9 °C2 August 1991	18.6 °C	1,737 mm	3	0
1990	31.7 °C11 October 1990	-0.7 °C29 July 1990	18.8 °C	1,701 mm	10	1
1989	30.6 °C25 October 1989	5.2 °C7 August 1989	18.2 °C	1,753 mm	2	0
1988	32.9 °C27 September 1988	3.2 °C6 June 1988	18.4 °C	1,682 mm	14	0
1987	31.6 °C23 February 1987	3.6 °C8 August 1987	18.7 °C	1,518 mm	6	0
1986	31.4 °C7 October 1986	5.8 °C2 June 1986	19.0 °C	1,709 mm	7	0
1985	32.5 °C17 November 1985	3.0 °C8 June 1985	18.6 °C	1,339 mm	6	0
1984	31.7 °C3 February 1984	0.8 °C27 August 1984	19.0 °C	1,403 mm	20	0
1983	30.0 °C17 February 1983	4.1 °C16 June 1983	18.8 °C	2,509 mm	1	0
1982	30.5 °C13 February 1982	7.2 °C30 July 1982	18.5 °C	1,876 mm	2	0
1981	30.1 °C4 February 1981	0.6 °C20 June 1981	18.2 °C	1,805 mm	2	0
1980	30.2 °C20 October 1980	3.9 °C28 June 1980	18.7 °C	1,644 mm	1	0
1979	30.7 °C7 February 1979	1.4 °C1 June 1979	17.9 °C	1,607 mm	2	0
1978	32.5 °C25 January 1978	3.3 °C2 June 1978	18.3 °C	1,334 mm	13	0
1977	31.1 °C10 February 1977	5.0 °C17 May 1977	19.2 °C	1,608 mm	6	0
1976	30.8 °C19 January 1976	5.3 °C16 August 1976	18.0 °C	2,301 mm	2	0
1975	31.0 °C14 February 1975	0.4 °C18 July 1975	18.4 °C	1,415 mm	10	0
1974	31.5 °C19 November 1974	2.8 °C17 August 1974	18.2 °C	1,655 mm	1	0
1973	32.0 °C22 February 1973	4.7 °C13 May 1973	18.7 °C	1,561 mm	11	0
1972	30.8 °C29 November 1972	3.1 °C9 July 1972	18.7 °C	1,668 mm	2	0
1971	33.0 °C28 January 1971	5.0 °C7 July 1971	18.2 °C	1,327 mm	15	0
1970	30.8 °C8 December 1970	5.4 °C2 September 1970	18.4 °C	1,480 mm	1	0
1969	31.6 °C5 January 1969	3.1 °C11 July 1969	18.5 °C	1,066 mm	8	0
1968	32.0 °C7 October 1968	2.7 °C18 May 1968	17.6 °C	1,067 mm	8	0
1967	30.0 °C9 October 1967	4.0 °C9 June 1967	18.6 °C	1,502 mm	1	0
1966	29.8 °C25 January 1966	2.4 °C7 August 1966	17.8 °C	1,903 mm	0	0
1965	30.4 °C10 September 1965	2.3 °C12 July 1965	17.8 °C	1,891 mm	4	0
1964	27.9 °C13 March 1964	5.8 °C22 July 1964	17.1 °C	1,684 mm	0	0
1963	34.2 °C17 October 1963	5.8 °C20 June 1963	18.7 °C	1,572 mm	20	0
1962	28.8 °C8 September 1962	4.0 °C7 July 1962	16.8 °C	1,944 mm	0	0
1961	34.9 °C27 September 1961	7.7 °C16 June 1961	18.9 °C	1,372 mm	25	0
1960	31.7 °C24 September 1960	6.0 °C3 September 1960	17.5 °C	1,801 mm	3	0
1959	30.9 °C7 September 1959	4.3 °C8 June 1959	18.5 °C	1,370 mm	6	0
1958	30.5 °C8 January 1958	6.6 °C23 June 1958	18.2 °C	1,859 mm	3	0
1957	30.6 °C19 October 1957	3.4 °C22 July 1957	17.7 °C	1,993 mm	1	0
1956	30.4 °C1 February 1956	5.4 °C26 August 1956	17.2 °C	1,354 mm	1	0
1955	30.2 °C30 September 1955	5.2 °C31 July 1955	17.6 °C	1,523 mm	2	0
1954	30.4 °C12 September 1954	6.6 °C22 June 1954	18.1 °C	1,668 mm	2	0
1953	29.5 °C21 August 1953	8.0 °C13 July 1953	18.2 °C	1,630 mm	0	0
1952	30.1 °C30 September 1952	4.9 °C16 July 1952	17.8 °C	1,409 mm	1	0
1951	30.5 °C26 September 1951	8.0 °C1 June 1951	17.8 °C	1,461 mm	2	0
1950	30.5 °C17 September 1950	6.2 °C12 July 1950	17.7 °C	2,118 mm	1	0
1949	28.1 °C18 March 1949	7.2 °C16 August 1949	17.5 °C	2,176 mm	0	0
1948	32.3 °C26 September 1948	7.7 °C15 September 1948	18.0 °C	1,490 mm	3	0
1947	29.9 °C8 January 1947	3.9 °C2 September 1947	17.3 °C	2,137 mm	0	0
1946	28.1 °C18 February 1946	6.6 °C17 June 1946	18.3 °C	2,272 mm	0	0
1945	28.6 °C28 September 1945	7.0 °C25 June 1945	18.0 °C	2,418 mm	0	0
1944	32.2 °C7 September 1944	8.7 °C13 July 1944	18.4 °C	1,558 mm	9	0
1943	29.1 °C19 January 1943	6.6 °C30 August 1943	17.2 °C	1,376 mm	0	0
1942	34.4 °C27 November 1942	3.7 °C19 June 1942	17.7 °C	1,326 mm	9	0
1941	28.9 °C9 January 1941	5.1 °C4 September 1941	18.1 °C	2,395 mm	0	0
1940	29.7 °C12 September 1940	7.4 °C19 August 1940	18.4 °C	1,930 mm	0	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

23.9 °C

+0.6 °C

Hot days (≥ 30 °C)

29 d/yr

+18

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1370 mm

-265 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	26.5 °C	+0.8 °C	315 mm	+61 mm
Feb	28.3 °C	+2.4 °C	149 mm	-76 mm
Mar	26.8 °C	+1.6 °C	115 mm	-77 mm
Apr	23.5 °C	0.0 °C	172 mm	+83 mm
May	22.7 °C	+1.4 °C	25 mm	-52 mm
Jun	20.3 °C	0.0 °C	93 mm	+32 mm
Jul	19.0 °C	-1.2 °C	9 mm	-49 mm
Aug	21.4 °C	-0.4 °C	23 mm	-29 mm
Sep	23.8 °C	+0.9 °C	21 mm	-75 mm
Oct	23.0 °C	-0.4 °C	136 mm	-13 mm
Nov	24.1 °C	+0.1 °C	126 mm	-38 mm
Dec	27.4 °C	+2.6 °C	186 mm	-34 mm

The year's extremes

Hottest day

32.8 °C

26 Dec 2025

Coldest day

2.2 °C

25 Jun 2025

Wettest day

32.6 mm

30 Jan 2025

Windiest day

44.3 km/h

10 Dec 2025

Strongest gust

98.3 km/h

22 Sep 2025

Hottest feels-like

37.9 °C

28 Dec 2025

Coldest feels-like

-0.9 °C

25 Jun 2025

Sunniest day

13.5 h

21 Dec 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 Ibiúna?

Ibiúna has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 18.5 °C and it receives 1,635 mm of precipitation per year.

What is the hottest day ever recorded in Ibiúna?

The hottest day measured in Ibiúna between 1940 and 2025 was 27 September 1961, reaching 34.9 °C.

What is the coldest day in Ibiúna?

The coldest day measured in Ibiúna between 1940 and 2025 was 29 July 1990, at -0.7 °C.

Does it snow in Ibiúna?

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

Has the climate of Ibiúna warmed?

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

What is the wettest day in Ibiúna?

The wettest day measured in Ibiúna between 1940 and 2025 was 14 March 1962, with 121 mm of rain in 24 hours.

What was the windiest day in Ibiúna?

The windiest day measured in Ibiúna between 1940 and 2025 was 10 December 2025, with winds reaching 44.3 km/h.

What is the warmest month in Ibiúna?

The warmest month in Ibiúna is February (21.5 °C on average); the coldest is July (15.3 °C).

How much does it rain in Ibiúna?

Ibiúna receives on average 1,635 mm of precipitation per year, spread over about 183 rainy days.

Is it sunny in Ibiúna?

Ibiúna gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Are there tropical nights in Ibiúna?

Yes: Ibiúna has on average 13 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ibiúna?

In Ibiúna, between 1940 and 2025, the highest apparent temperature reached 39.6 °C on 19 January 2015, and the lowest was -4.7 °C on 29 July 1990.

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