Passo Fundo climate — normals and trends

Q: What is the climate of Passo Fundo?

Passo Fundo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 1,896 mm of precipitation per year.

Q: What is the hottest day ever recorded in Passo Fundo?

The hottest day measured in Passo Fundo between 1940 and 2025 was 16 November 1985, reaching 37.0 °C.

Q: What is the coldest day in Passo Fundo?

The coldest day measured in Passo Fundo between 1940 and 2025 was 25 July 2009, at -5.2 °C.

Q: Does it snow in Passo Fundo?

Almost never: Passo Fundo sees virtually no snow, with about 2 frost days per year.

Q: Has the climate of Passo Fundo warmed?

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

Q: What is the wettest day in Passo Fundo?

The wettest day measured in Passo Fundo between 1940 and 2025 was 16 November 2003, with 185 mm of rain in 24 hours.

Q: What was the windiest day in Passo Fundo?

The windiest day measured in Passo Fundo between 1940 and 2025 was 21 August 1941, with winds reaching 54.7 km/h.

Q: What is the warmest month in Passo Fundo?

The warmest month in Passo Fundo is January (22.5 °C on average); the coldest is July (13.2 °C).

Q: How much does it rain in Passo Fundo?

Passo Fundo receives on average 1,896 mm of precipitation per year, spread over about 151 rainy days.

Q: Is it sunny in Passo Fundo?

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

Passo Fundo (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.1 °C and it receives 1,896 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 (22.5 °C on average) and the coldest is July (13.2 °C). Rainfall peaks in October.

Passo Fundo averages 2 frost days, 23 hot days (≥ 30 °C) and 151 rainy days per year.

Passo Fundo has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.

The number of frost days there went from about 1 to 3 per year over the period.

The hottest day of the period reached 37.0 °C (on 16 November 1985) and the coldest -5.2 °C (on 25 July 2009).

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

Passo FundoRio Grande do Sul

coords: -28.26°, -52.41°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthApril

Mean daily temperature

18.1°C

Average daily high

23.2°C

Average daily low

13.8°C

Annual rainfall

1,896mm

Sunshine / day

8.9h

Mean relative humidity

78%

Average peak wind

18.4km/h

Seasonal range

9.3°C

Frost days (< 0 °C)

2 d/yr

Hot days (≥ 30 °C)

23 d/yr

Rainy days (≥ 1 mm)

151 d/yr

Annual snowfall

0.2 cm

Average feels-like high

24.1 °C

Average feels-like low

12.7 °C

Average peak gust

35.9 km/h

Tropical nights (≥ 20 °C)

21 d/yr

Solar radiation

16.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.23 · 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

37.0 °C

16 November 1985

Coldest day

-5.2 °C

25 July 2009

Wettest day

185 mm

16 November 2003

Windiest day

54.7 km/h

21 August 1941

Strongest gust

115.2 km/h

29 April 1992

Hottest feels-like

42.0 °C

24 January 2022

Coldest feels-like

-8.6 °C

25 July 2009

Snowiest day

9.0 cm

20 August 1965

Sunniest day

13.5 h

2 December 1941

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	34.2 °C7 December 2025	-2.0 °C1 July 2025	18.2 °C	2,075 mm	46	3
2024	32.7 °C12 February 2024	-0.3 °C30 June 2024	19.1 °C	2,406 mm	33	1
2023	34.2 °C17 December 2023	2.4 °C13 June 2023	18.9 °C	2,305 mm	45	0
2022	35.6 °C24 January 2022	-0.3 °C11 June 2022	17.9 °C	1,761 mm	43	1
2021	33.3 °C20 December 2021	-0.9 °C29 July 2021	18.1 °C	1,289 mm	31	3
2020	35.6 °C25 November 2020	-1.5 °C21 August 2020	18.6 °C	1,338 mm	36	1
2019	35.2 °C12 October 2019	-3.2 °C7 July 2019	19.1 °C	1,878 mm	42	2
2018	34.2 °C11 December 2018	0.7 °C17 June 2018	18.6 °C	1,638 mm	23	0
2017	32.7 °C16 December 2017	-1.2 °C19 July 2017	19.2 °C	2,069 mm	37	2
2016	32.9 °C24 January 2016	-2.7 °C12 June 2016	18.1 °C	1,760 mm	41	6
2015	32.7 °C13 January 2015	0.9 °C16 June 2015	19.0 °C	2,554 mm	16	0
2014	35.6 °C7 February 2014	-0.9 °C14 August 2014	18.8 °C	2,460 mm	46	1
2013	34.6 °C25 December 2013	-1.4 °C24 July 2013	18.0 °C	1,693 mm	29	3
2012	34.3 °C19 February 2012	-3.2 °C8 June 2012	18.9 °C	1,544 mm	55	4
2011	34.4 °C21 December 2011	-3.4 °C5 July 2011	18.2 °C	1,934 mm	28	5
2010	34.6 °C5 February 2010	-1.4 °C14 July 2010	17.9 °C	1,951 mm	24	2
2009	34.2 °C2 November 2009	-5.2 °C25 July 2009	18.0 °C	1,885 mm	33	4
2008	33.5 °C8 December 2008	-1.8 °C17 June 2008	17.8 °C	1,672 mm	20	4
2007	33.1 °C30 March 2007	-1.6 °C29 July 2007	18.4 °C	2,188 mm	39	4
2006	33.9 °C4 February 2006	-1.9 °C5 September 2006	18.5 °C	1,474 mm	40	5
2005	35.0 °C12 March 2005	0.9 °C6 July 2005	18.7 °C	1,836 mm	54	0
2004	32.9 °C7 April 2004	-2.4 °C13 June 2004	18.1 °C	1,711 mm	28	2
2003	34.1 °C11 November 2003	-3.3 °C12 July 2003	18.3 °C	1,980 mm	24	2
2002	34.2 °C10 March 2002	-0.6 °C25 June 2002	18.8 °C	2,201 mm	28	1
2001	32.8 °C20 December 2001	-2.3 °C22 June 2001	18.7 °C	2,057 mm	32	3
2000	33.1 °C7 January 2000	-4.6 °C14 July 2000	17.8 °C	2,156 mm	28	8
1999	33.6 °C28 December 1999	-1.7 °C15 August 1999	17.7 °C	1,702 mm	27	1
1998	33.5 °C2 December 1998	1.3 °C25 June 1998	17.8 °C	2,821 mm	24	0
1997	32.5 °C8 January 1997	-1.6 °C30 June 1997	18.5 °C	2,484 mm	25	4
1996	32.8 °C11 January 1996	-1.3 °C30 June 1996	17.8 °C	2,015 mm	19	3
1995	36.4 °C18 December 1995	-2.3 °C5 August 1995	18.3 °C	1,860 mm	32	2
1994	34.4 °C12 December 1994	-1.4 °C26 June 1994	18.4 °C	2,480 mm	29	3
1993	32.9 °C3 December 1993	-2.0 °C15 July 1993	17.8 °C	2,061 mm	25	7
1992	32.0 °C23 December 1992	-1.7 °C2 August 1992	17.7 °C	2,176 mm	18	4
1991	33.6 °C15 October 1991	-3.9 °C3 August 1991	18.2 °C	1,788 mm	29	3
1990	33.4 °C15 November 1990	-2.5 °C28 July 1990	17.6 °C	2,451 mm	27	5
1989	32.6 °C6 December 1989	-1.8 °C6 July 1989	17.5 °C	1,859 mm	21	1
1988	33.4 °C20 January 1988	-2.7 °C25 July 1988	17.6 °C	1,536 mm	33	9
1987	33.0 °C25 February 1987	-2.2 °C24 June 1987	17.9 °C	2,446 mm	24	4
1986	34.5 °C16 January 1986	0.3 °C5 September 1986	18.6 °C	2,111 mm	29	0
1985	37.0 °C16 November 1985	-0.5 °C11 July 1985	18.7 °C	1,657 mm	47	1
1984	33.6 °C8 January 1984	-2.0 °C26 August 1984	18.3 °C	2,202 mm	33	3
1983	31.6 °C9 December 1983	0.2 °C9 September 1983	17.8 °C	2,635 mm	15	0
1982	31.7 °C30 December 1982	2.0 °C29 June 1982	18.3 °C	1,754 mm	18	0
1981	31.9 °C2 January 1981	-3.7 °C19 June 1981	18.3 °C	1,583 mm	13	4
1980	31.8 °C11 April 1980	-2.4 °C27 June 1980	18.2 °C	2,082 mm	17	5
1979	35.3 °C6 February 1979	-0.6 °C17 July 1979	17.4 °C	1,807 mm	23	1
1978	33.9 °C17 March 1978	-0.3 °C5 June 1978	18.3 °C	1,317 mm	39	2
1977	32.6 °C23 October 1977	0.3 °C17 July 1977	19.0 °C	1,878 mm	41	0
1976	32.4 °C14 December 1976	-2.2 °C29 June 1976	17.2 °C	1,786 mm	16	5
1975	33.3 °C13 February 1975	-3.7 °C18 July 1975	17.7 °C	1,988 mm	16	5
1974	33.9 °C27 December 1974	-1.1 °C13 June 1974	17.7 °C	1,715 mm	21	2
1973	32.6 °C12 January 1973	0.3 °C7 September 1973	17.9 °C	2,490 mm	18	0
1972	33.6 °C28 December 1972	-1.6 °C9 July 1972	18.0 °C	2,284 mm	13	5
1971	33.6 °C20 December 1971	-1.9 °C17 June 1971	17.6 °C	1,943 mm	33	2
1970	33.9 °C8 December 1970	0.2 °C25 June 1970	18.1 °C	1,815 mm	27	0
1969	32.4 °C27 October 1969	0.2 °C3 August 1969	17.7 °C	1,965 mm	17	0
1968	33.0 °C12 December 1968	0.1 °C3 September 1968	17.5 °C	1,430 mm	30	0
1967	32.4 °C10 November 1967	-3.1 °C14 June 1967	18.0 °C	1,999 mm	9	2
1966	30.8 °C14 December 1966	-2.1 °C1 July 1966	17.3 °C	2,079 mm	5	4
1965	32.0 °C1 February 1965	-1.8 °C7 July 1965	17.4 °C	1,804 mm	16	4
1964	31.8 °C13 March 1964	-0.4 °C28 July 1964	17.1 °C	1,272 mm	28	1
1963	34.5 °C2 January 1963	-1.1 °C6 August 1963	18.2 °C	1,968 mm	21	1
1962	34.9 °C25 December 1962	-1.0 °C23 June 1962	16.7 °C	991 mm	19	2
1961	32.2 °C1 February 1961	-2.8 °C16 June 1961	18.4 °C	1,685 mm	15	3
1960	32.7 °C9 December 1960	-2.0 °C25 June 1960	17.3 °C	1,512 mm	11	3
1959	29.5 °C8 September 1959	1.5 °C8 August 1959	17.9 °C	1,881 mm	0	0
1958	32.4 °C7 January 1958	1.8 °C24 May 1958	17.7 °C	1,823 mm	14	0
1957	32.0 °C18 October 1957	-1.1 °C3 August 1957	17.6 °C	1,967 mm	6	2
1956	29.9 °C5 February 1956	-0.9 °C15 May 1956	16.8 °C	1,427 mm	0	2
1955	31.1 °C8 January 1955	-3.6 °C8 July 1955	17.3 °C	1,896 mm	6	5
1954	30.8 °C10 December 1954	1.4 °C21 May 1954	17.8 °C	2,047 mm	3	0
1953	31.0 °C5 January 1953	3.9 °C25 July 1953	18.5 °C	2,028 mm	3	0
1952	32.3 °C27 December 1952	2.1 °C21 June 1952	17.8 °C	1,582 mm	5	0
1951	29.8 °C25 September 1951	2.0 °C6 July 1951	17.8 °C	1,756 mm	0	0
1950	29.6 °C10 November 1950	-0.6 °C11 July 1950	17.5 °C	1,849 mm	0	1
1949	31.3 °C26 December 1949	1.2 °C22 July 1949	17.5 °C	1,750 mm	5	0
1948	30.4 °C25 September 1948	-0.1 °C9 August 1948	17.7 °C	2,651 mm	1	1
1947	30.1 °C29 November 1947	-0.6 °C10 July 1947	17.6 °C	1,686 mm	1	1
1946	29.7 °C14 February 1946	-1.0 °C17 July 1946	17.7 °C	2,150 mm	0	1
1945	31.1 °C16 January 1945	-0.3 °C10 July 1945	18.2 °C	1,475 mm	5	1
1944	30.4 °C26 March 1944	0.2 °C27 June 1944	18.9 °C	1,315 mm	2	0
1943	35.5 °C17 January 1943	1.4 °C29 August 1943	18.5 °C	814 mm	42	0
1942	36.7 °C26 November 1942	-2.2 °C18 June 1942	17.9 °C	1,324 mm	17	4
1941	29.3 °C28 December 1941	-0.9 °C26 June 1941	18.0 °C	2,316 mm	0	2
1940	30.0 °C14 January 1940	1.3 °C9 August 1940	18.0 °C	2,104 mm	1	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

23.4 °C

+0.2 °C

Hot days (≥ 30 °C)

46 d/yr

+23

Frost days (< 0 °C)

3 d/yr

Annual rainfall

2076 mm

+180 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	28.4 °C	+0.9 °C	126 mm	-64 mm
Feb	29.7 °C	+2.7 °C	146 mm	-14 mm
Mar	28.4 °C	+2.3 °C	94 mm	-50 mm
Apr	22.8 °C	-0.7 °C	104 mm	-26 mm
May	21.0 °C	+0.7 °C	137 mm	-10 mm
Jun	15.7 °C	-2.7 °C	390 mm	+241 mm
Jul	17.9 °C	-0.5 °C	73 mm	-62 mm
Aug	18.9 °C	-1.1 °C	163 mm	+25 mm
Sep	21.2 °C	-0.2 °C	175 mm	+1 mm
Oct	22.7 °C	-0.8 °C	199 mm	-12 mm
Nov	26.0 °C	+0.4 °C	156 mm	-4 mm
Dec	28.3 °C	+1.1 °C	311 mm	+155 mm

The year's extremes

Hottest day

34.2 °C

7 Dec 2025

Coldest day

-2.0 °C

1 Jul 2025

Wettest day

91.3 mm

7 Nov 2025

Windiest day

40.1 km/h

20 Aug 2025

Strongest gust

94.3 km/h

9 May 2025

Hottest feels-like

37.7 °C

2 Mar 2025

Coldest feels-like

-6.2 °C

24 Jun 2025

Sunniest day

13.4 h

3 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 Passo Fundo?

Passo Fundo has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 1,896 mm of precipitation per year.

What is the hottest day ever recorded in Passo Fundo?

The hottest day measured in Passo Fundo between 1940 and 2025 was 16 November 1985, reaching 37.0 °C.

What is the coldest day in Passo Fundo?

The coldest day measured in Passo Fundo between 1940 and 2025 was 25 July 2009, at -5.2 °C.

Does it snow in Passo Fundo?

Almost never: Passo Fundo sees virtually no snow, with about 2 frost days per year.

Has the climate of Passo Fundo warmed?

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

What is the wettest day in Passo Fundo?

The wettest day measured in Passo Fundo between 1940 and 2025 was 16 November 2003, with 185 mm of rain in 24 hours.

What was the windiest day in Passo Fundo?

The windiest day measured in Passo Fundo between 1940 and 2025 was 21 August 1941, with winds reaching 54.7 km/h.

What is the warmest month in Passo Fundo?

The warmest month in Passo Fundo is January (22.5 °C on average); the coldest is July (13.2 °C).

How much does it rain in Passo Fundo?

Passo Fundo receives on average 1,896 mm of precipitation per year, spread over about 151 rainy days.

Is it sunny in Passo Fundo?

Passo Fundo 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 Passo Fundo?

The heaviest 24-hour snowfall measured in Passo Fundo between 1940 and 2025 was 20 August 1965, with 9.0 cm.

Are there tropical nights in Passo Fundo?

Yes: Passo Fundo has on average 21 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Passo Fundo?

In Passo Fundo, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 24 January 2022, and the lowest was -8.6 °C on 25 July 2009.

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