Giruá climate — normals and trends

Q: What is the climate of Giruá?

Giruá has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.9 °C and it receives 2,059 mm of precipitation per year.

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

The hottest day measured in Giruá between 1940 and 2025 was 17 December 1995, reaching 39.4 °C.

Q: What is the coldest day in Giruá?

The coldest day measured in Giruá between 1940 and 2025 was 18 July 1975, at -4.0 °C.

Q: Does it snow in Giruá?

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

Q: Has the climate of Giruá warmed?

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

Q: What is the wettest day in Giruá?

The wettest day measured in Giruá between 1940 and 2025 was 16 April 1998, with 180 mm of rain in 24 hours.

Q: What was the windiest day in Giruá?

The windiest day measured in Giruá between 1940 and 2025 was 29 April 1992, with winds reaching 51.0 km/h.

Q: What is the warmest month in Giruá?

The warmest month in Giruá is January (24.6 °C on average); the coldest is July (14.7 °C).

Q: How much does it rain in Giruá?

Giruá receives on average 2,059 mm of precipitation per year, spread over about 146 rainy days.

Q: Is it sunny in Giruá?

Giruá gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

Giruá (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.9 °C and it receives 2,059 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 (24.6 °C on average) and the coldest is July (14.7 °C). Rainfall peaks in October.

Giruá averages 1 frost days, 67 hot days (≥ 30 °C) and 146 rainy days per year.

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

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

The hottest day of the period reached 39.4 °C (on 17 December 1995) and the coldest -4.0 °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

GiruáRio Grande do Sul

coords: -28.03°, -54.35°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthAugust

Mean daily temperature

19.9°C

Average daily high

25.0°C

Average daily low

15.5°C

Annual rainfall

2,059mm

Sunshine / day

9.2h

Mean relative humidity

76%

Average peak wind

17.5km/h

Seasonal range

9.9°C

Frost days (< 0 °C)

1 d/yr

Hot days (≥ 30 °C)

67 d/yr

Rainy days (≥ 1 mm)

146 d/yr

Annual snowfall

0.1 cm

Average feels-like high

26.5 °C

Average feels-like low

14.9 °C

Average peak gust

34.7 km/h

Tropical nights (≥ 20 °C)

72 d/yr

Solar radiation

17.1 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.28 · 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

39.4 °C

17 December 1995

Coldest day

-4.0 °C

18 July 1975

Wettest day

180 mm

16 April 1998

Windiest day

51.0 km/h

29 April 1992

Strongest gust

106.9 km/h

5 June 1992

Hottest feels-like

43.9 °C

24 January 2022

Coldest feels-like

-8.0 °C

18 July 1975

Snowiest day

6.4 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	37.7 °C7 December 2025	-1.0 °C1 July 2025	20.1 °C	1,850 mm	93	2
2024	36.6 °C12 February 2024	0.4 °C30 June 2024	20.9 °C	2,284 mm	95	0
2023	36.3 °C17 December 2023	3.0 °C14 July 2023	20.9 °C	2,320 mm	98	0
2022	38.5 °C18 January 2022	1.1 °C11 June 2022	19.9 °C	1,556 mm	97	0
2021	36.1 °C29 December 2021	-0.6 °C29 July 2021	20.1 °C	1,440 mm	85	1
2020	38.5 °C11 December 2020	-0.5 °C21 August 2020	20.6 °C	1,393 mm	104	1
2019	37.8 °C1 October 2019	-0.9 °C7 July 2019	20.8 °C	2,024 mm	90	2
2018	36.6 °C11 December 2018	0.8 °C17 June 2018	20.3 °C	1,631 mm	88	0
2017	35.7 °C16 December 2017	-0.2 °C18 July 2017	20.9 °C	2,370 mm	90	1
2016	36.0 °C24 January 2016	-0.5 °C11 June 2016	19.8 °C	1,842 mm	85	1
2015	35.0 °C13 January 2015	2.2 °C12 September 2015	20.7 °C	2,750 mm	67	0
2014	37.2 °C7 February 2014	1.3 °C14 August 2014	20.6 °C	2,507 mm	91	0
2013	37.2 °C25 December 2013	0.0 °C24 July 2013	19.7 °C	1,761 mm	70	0
2012	37.2 °C18 February 2012	-0.6 °C8 June 2012	21.1 °C	1,461 mm	122	2
2011	37.5 °C20 December 2011	-0.8 °C5 July 2011	20.1 °C	2,158 mm	93	3
2010	36.5 °C5 February 2010	-1.3 °C14 July 2010	19.7 °C	1,871 mm	79	1
2009	36.6 °C2 November 2009	-3.9 °C25 July 2009	20.0 °C	2,061 mm	103	3
2008	38.0 °C8 December 2008	-0.7 °C16 June 2008	19.8 °C	1,800 mm	87	1
2007	35.4 °C30 March 2007	0.2 °C30 May 2007	20.1 °C	2,231 mm	109	0
2006	38.1 °C10 January 2006	-0.2 °C31 July 2006	20.4 °C	1,819 mm	95	1
2005	37.0 °C22 December 2005	1.4 °C20 July 2005	20.5 °C	1,941 mm	117	0
2004	35.7 °C2 March 2004	-0.8 °C11 July 2004	20.0 °C	1,444 mm	95	2
2003	37.2 °C11 November 2003	-0.6 °C12 July 2003	20.1 °C	2,074 mm	78	1
2002	36.7 °C10 March 2002	-0.2 °C2 September 2002	20.4 °C	2,734 mm	81	1
2001	35.3 °C20 December 2001	-1.2 °C28 July 2001	20.4 °C	2,159 mm	78	1
2000	34.5 °C8 January 2000	-3.0 °C20 July 2000	19.5 °C	2,609 mm	70	5
1999	35.8 °C3 January 1999	-1.0 °C15 August 1999	19.7 °C	1,880 mm	91	1
1998	36.4 °C8 December 1998	2.4 °C25 June 1998	19.7 °C	2,984 mm	62	0
1997	34.6 °C26 December 1997	0.7 °C30 June 1997	20.4 °C	2,591 mm	76	0
1996	37.4 °C11 January 1996	-1.6 °C29 June 1996	19.6 °C	2,259 mm	69	2
1995	39.4 °C17 December 1995	-1.2 °C5 August 1995	20.1 °C	1,984 mm	80	1
1994	37.3 °C12 December 1994	-0.7 °C10 July 1994	20.2 °C	2,664 mm	75	2
1993	34.3 °C3 December 1993	-2.2 °C15 July 1993	19.5 °C	2,141 mm	74	1
1992	34.3 °C14 November 1992	-1.3 °C23 July 1992	19.3 °C	2,129 mm	59	2
1991	36.1 °C20 January 1991	-2.4 °C2 August 1991	20.3 °C	1,809 mm	95	3
1990	35.9 °C15 November 1990	-0.8 °C29 July 1990	19.3 °C	2,625 mm	61	3
1989	37.8 °C6 December 1989	-1.3 °C6 July 1989	19.4 °C	2,043 mm	70	1
1988	37.5 °C12 January 1988	-1.3 °C8 July 1988	19.5 °C	1,579 mm	92	4
1987	35.4 °C1 December 1987	-1.7 °C17 June 1987	19.5 °C	2,787 mm	68	3
1986	38.3 °C16 January 1986	2.2 °C5 September 1986	20.5 °C	2,372 mm	88	0
1985	39.2 °C16 November 1985	-0.3 °C11 July 1985	20.6 °C	1,966 mm	102	1
1984	35.5 °C10 January 1984	0.4 °C26 August 1984	19.9 °C	2,446 mm	71	0
1983	34.4 °C9 December 1983	1.4 °C9 September 1983	19.3 °C	2,747 mm	72	0
1982	34.9 °C27 January 1982	2.0 °C29 June 1982	20.2 °C	2,242 mm	64	0
1981	33.4 °C2 January 1981	-2.4 °C19 June 1981	20.1 °C	1,758 mm	76	2
1980	34.6 °C22 January 1980	-1.5 °C31 July 1980	19.9 °C	2,056 mm	79	3
1979	37.9 °C10 February 1979	0.9 °C31 May 1979	19.3 °C	2,213 mm	73	0
1978	36.3 °C18 March 1978	0.5 °C14 August 1978	20.2 °C	1,407 mm	90	0
1977	35.5 °C23 October 1977	0.5 °C17 July 1977	20.7 °C	2,062 mm	96	0
1976	35.9 °C14 December 1976	-0.7 °C10 July 1976	18.9 °C	1,605 mm	56	2
1975	35.5 °C15 November 1975	-4.0 °C18 July 1975	19.3 °C	2,131 mm	53	2
1974	35.1 °C3 January 1974	0.1 °C13 June 1974	19.3 °C	1,874 mm	62	0
1973	35.2 °C12 January 1973	1.0 °C7 September 1973	19.6 °C	2,704 mm	65	0
1972	37.0 °C28 December 1972	-0.1 °C9 July 1972	19.7 °C	2,851 mm	53	2
1971	37.1 °C30 December 1971	-0.6 °C12 June 1971	19.3 °C	2,117 mm	65	2
1970	36.4 °C8 December 1970	0.4 °C2 July 1970	19.9 °C	1,858 mm	74	0
1969	35.2 °C21 December 1969	1.6 °C19 June 1969	19.4 °C	2,219 mm	62	0
1968	36.4 °C14 December 1968	2.1 °C21 June 1968	19.6 °C	1,443 mm	92	0
1967	34.7 °C10 November 1967	-2.7 °C14 June 1967	19.8 °C	2,484 mm	47	2
1966	33.7 °C11 December 1966	-0.8 °C6 August 1966	19.1 °C	2,176 mm	35	1
1965	34.1 °C22 January 1965	0.1 °C7 July 1965	19.2 °C	1,926 mm	58	0
1964	34.4 °C25 January 1964	0.1 °C29 June 1964	18.9 °C	1,405 mm	68	0
1963	36.5 °C2 January 1963	-0.5 °C6 August 1963	20.0 °C	2,206 mm	67	1
1962	36.9 °C24 December 1962	-0.2 °C30 May 1962	18.5 °C	1,268 mm	55	1
1961	33.7 °C31 January 1961	-1.0 °C16 June 1961	20.1 °C	2,053 mm	63	2
1960	34.9 °C9 December 1960	-0.5 °C25 June 1960	19.4 °C	1,665 mm	67	1
1959	32.8 °C21 January 1959	3.2 °C10 June 1959	19.6 °C	2,511 mm	26	0
1958	35.3 °C7 January 1958	3.1 °C26 May 1958	19.6 °C	1,911 mm	44	0
1957	33.7 °C17 October 1957	1.1 °C22 July 1957	19.4 °C	1,947 mm	26	0
1956	31.4 °C5 February 1956	1.4 °C15 May 1956	18.5 °C	1,756 mm	6	0
1955	32.7 °C29 November 1955	-1.1 °C8 July 1955	19.0 °C	2,152 mm	24	2
1954	33.2 °C10 December 1954	3.3 °C8 August 1954	19.4 °C	2,312 mm	20	0
1953	33.0 °C5 January 1953	2.8 °C20 July 1953	20.2 °C	2,328 mm	24	0
1952	35.1 °C27 December 1952	3.5 °C19 June 1952	19.5 °C	1,670 mm	36	0
1951	31.3 °C25 September 1951	3.5 °C6 July 1951	19.5 °C	2,137 mm	9	0
1950	31.0 °C26 December 1950	1.5 °C11 July 1950	19.2 °C	2,066 mm	8	0
1949	33.3 °C22 December 1949	2.4 °C22 July 1949	19.2 °C	1,791 mm	22	0
1948	31.5 °C25 September 1948	1.5 °C8 August 1948	19.4 °C	2,839 mm	11	0
1947	32.0 °C29 November 1947	0.8 °C10 July 1947	19.3 °C	2,057 mm	8	0
1946	31.5 °C14 February 1946	1.5 °C27 July 1946	19.2 °C	2,517 mm	7	0
1945	34.4 °C15 January 1945	1.3 °C9 July 1945	20.0 °C	1,578 mm	29	0
1944	33.5 °C26 March 1944	-0.1 °C27 June 1944	20.9 °C	1,546 mm	53	1
1943	37.6 °C17 January 1943	2.8 °C29 August 1943	20.4 °C	853 mm	75	0
1942	39.2 °C26 November 1942	-0.6 °C19 June 1942	19.6 °C	1,503 mm	60	2
1941	31.5 °C25 November 1941	0.8 °C26 June 1941	19.7 °C	2,478 mm	18	0
1940	32.6 °C14 January 1940	3.4 °C9 August 1940	19.5 °C	2,294 mm	29	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

25.5 °C

+0.5 °C

Hot days (≥ 30 °C)

93 d/yr

+26

Frost days (< 0 °C)

2 d/yr

Annual rainfall

1850 mm

-209 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.3 °C	+1.6 °C	56 mm	-146 mm
Feb	32.1 °C	+3.1 °C	105 mm	-66 mm
Mar	31.0 °C	+2.9 °C	58 mm	-95 mm
Apr	24.7 °C	-0.5 °C	106 mm	-58 mm
May	22.9 °C	+1.1 °C	182 mm	+21 mm
Jun	16.8 °C	-2.9 °C	307 mm	+137 mm
Jul	19.8 °C	+0.2 °C	70 mm	-71 mm
Aug	20.6 °C	-0.8 °C	149 mm	+10 mm
Sep	23.1 °C	0.0 °C	218 mm	+28 mm
Oct	25.2 °C	-0.3 °C	281 mm	+52 mm
Nov	28.7 °C	+1.0 °C	92 mm	-79 mm
Dec	29.8 °C	+0.2 °C	227 mm	+59 mm

The year's extremes

Hottest day

37.7 °C

7 Dec 2025

Coldest day

-1.0 °C

1 Jul 2025

Wettest day

58.3 mm

17 Oct 2025

Windiest day

33.9 km/h

28 Oct 2025

Strongest gust

78.8 km/h

14 Jun 2025

Hottest feels-like

41.4 °C

2 Mar 2025

Coldest feels-like

-4.8 °C

2 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 Giruá?

Giruá has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.9 °C and it receives 2,059 mm of precipitation per year.

What is the hottest day ever recorded in Giruá?

The hottest day measured in Giruá between 1940 and 2025 was 17 December 1995, reaching 39.4 °C.

What is the coldest day in Giruá?

The coldest day measured in Giruá between 1940 and 2025 was 18 July 1975, at -4.0 °C.

Does it snow in Giruá?

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

Has the climate of Giruá warmed?

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

What is the wettest day in Giruá?

The wettest day measured in Giruá between 1940 and 2025 was 16 April 1998, with 180 mm of rain in 24 hours.

What was the windiest day in Giruá?

The windiest day measured in Giruá between 1940 and 2025 was 29 April 1992, with winds reaching 51.0 km/h.

What is the warmest month in Giruá?

The warmest month in Giruá is January (24.6 °C on average); the coldest is July (14.7 °C).

How much does it rain in Giruá?

Giruá receives on average 2,059 mm of precipitation per year, spread over about 146 rainy days.

Is it sunny in Giruá?

Giruá gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

What is the biggest single-day snowfall in Giruá?

The heaviest 24-hour snowfall measured in Giruá between 1940 and 2025 was 20 August 1965, with 6.4 cm.

Are there tropical nights in Giruá?

Yes: Giruá has on average 72 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Giruá?

In Giruá, between 1940 and 2025, the highest apparent temperature reached 43.9 °C on 24 January 2022, and the lowest was -8.0 °C on 18 July 1975.

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