Júlio de Castilhos climate — normals and trends

Q: What is the climate of Júlio de Castilhos?

Júlio de Castilhos has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 1,808 mm of precipitation per year.

Q: What is the hottest day ever recorded in Júlio de Castilhos?

The hottest day measured in Júlio de Castilhos between 1940 and 2025 was 16 November 1985, reaching 39.5 °C.

Q: What is the coldest day in Júlio de Castilhos?

The coldest day measured in Júlio de Castilhos between 1940 and 2025 was 14 June 1967, at -4.8 °C.

Q: Does it snow in Júlio de Castilhos?

Almost never: Júlio de Castilhos sees virtually no snow, with about 2 frost days per year.

Q: Has the climate of Júlio de Castilhos warmed?

Yes: Júlio de Castilhos warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Júlio de Castilhos?

The wettest day measured in Júlio de Castilhos between 1940 and 2025 was 19 May 1985, with 105 mm of rain in 24 hours.

Q: What was the windiest day in Júlio de Castilhos?

The windiest day measured in Júlio de Castilhos between 1940 and 2025 was 5 June 1992, with winds reaching 53.6 km/h.

Q: What is the warmest month in Júlio de Castilhos?

The warmest month in Júlio de Castilhos is January (23.1 °C on average); the coldest is July (12.9 °C).

Q: How much does it rain in Júlio de Castilhos?

Júlio de Castilhos receives on average 1,808 mm of precipitation per year, spread over about 142 rainy days.

Q: Is it sunny in Júlio de Castilhos?

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

Júlio de Castilhos (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.1 °C and it receives 1,808 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 (23.1 °C on average) and the coldest is July (12.9 °C). Rainfall peaks in October.

Júlio de Castilhos averages 2 frost days, 34 hot days (≥ 30 °C) and 142 rainy days per year.

Júlio de Castilhos has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.

The hottest day of the period reached 39.5 °C (on 16 November 1985) and the coldest -4.8 °C (on 14 June 1967).

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

Júlio de CastilhosRio Grande do Sul

coords: -29.23°, -53.68°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthMarch

Mean daily temperature

18.1°C

Average daily high

23.1°C

Average daily low

13.8°C

Annual rainfall

1,808mm

Sunshine / day

8.9h

Mean relative humidity

79%

Average peak wind

17.1km/h

Seasonal range

10.2°C

Frost days (< 0 °C)

2 d/yr

Hot days (≥ 30 °C)

34 d/yr

Rainy days (≥ 1 mm)

142 d/yr

Annual snowfall

0.0 cm

Average feels-like high

24.1 °C

Average feels-like low

13.0 °C

Average peak gust

34.7 km/h

Tropical nights (≥ 20 °C)

32 d/yr

Solar radiation

16.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.9 °C

since 1940

+0.1 °C per decade · r² = 0.26 · 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

39.5 °C

16 November 1985

Coldest day

-4.8 °C

14 June 1967

Wettest day

105 mm

19 May 1985

Windiest day

53.6 km/h

5 June 1992

Strongest gust

106.6 km/h

5 June 1992

Hottest feels-like

42.4 °C

20 January 2022

Coldest feels-like

-8.7 °C

14 June 1967

Snowiest day

3.3 cm

20 August 1965

Sunniest day

13.6 h

5 January 1940

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.7 °C5 February 2025	-2.2 °C1 July 2025	18.3 °C	1,867 mm	63	3
2024	34.0 °C10 February 2024	-0.6 °C30 June 2024	18.9 °C	2,054 mm	44	1
2023	35.7 °C1 December 2023	1.0 °C13 June 2023	19.0 °C	2,127 mm	63	0
2022	37.1 °C16 January 2022	0.7 °C31 May 2022	18.0 °C	1,458 mm	68	0
2021	35.5 °C11 January 2021	-0.5 °C29 July 2021	18.2 °C	1,223 mm	45	1
2020	37.2 °C11 December 2020	-0.8 °C29 July 2020	18.7 °C	1,114 mm	65	3
2019	36.5 °C28 December 2019	-1.1 °C7 July 2019	19.1 °C	1,725 mm	56	1
2018	34.7 °C11 December 2018	-0.9 °C17 June 2018	18.5 °C	1,766 mm	38	1
2017	35.8 °C16 December 2017	-0.9 °C19 July 2017	19.2 °C	1,956 mm	48	1
2016	35.6 °C24 January 2016	-0.5 °C13 June 2016	18.2 °C	1,724 mm	51	2
2015	34.8 °C13 January 2015	0.6 °C12 September 2015	18.7 °C	2,309 mm	23	0
2014	35.5 °C7 February 2014	-0.5 °C14 August 2014	18.8 °C	2,312 mm	51	1
2013	36.5 °C26 December 2013	-0.7 °C25 July 2013	18.0 °C	1,627 mm	41	2
2012	35.6 °C19 February 2012	-1.6 °C7 June 2012	19.1 °C	1,540 mm	70	5
2011	36.1 °C20 December 2011	-2.3 °C4 July 2011	18.4 °C	1,805 mm	47	2
2010	34.8 °C5 February 2010	-0.7 °C15 July 2010	18.0 °C	1,659 mm	45	2
2009	35.3 °C2 November 2009	-4.5 °C25 July 2009	17.9 °C	1,930 mm	46	3
2008	35.4 °C10 January 2008	-1.5 °C17 June 2008	17.9 °C	1,653 mm	46	3
2007	34.9 °C30 March 2007	-2.2 °C12 July 2007	18.3 °C	2,012 mm	64	4
2006	35.4 °C10 January 2006	-1.3 °C22 August 2006	18.5 °C	1,647 mm	52	5
2005	35.7 °C22 December 2005	0.8 °C20 July 2005	18.7 °C	1,547 mm	70	0
2004	33.7 °C15 December 2004	-1.9 °C11 July 2004	18.2 °C	1,282 mm	38	2
2003	34.5 °C11 November 2003	-2.1 °C12 July 2003	18.2 °C	1,900 mm	33	2
2002	34.8 °C10 March 2002	-0.7 °C23 June 2002	18.6 °C	2,603 mm	43	2
2001	34.3 °C20 December 2001	-1.0 °C28 July 2001	18.8 °C	1,976 mm	39	1
2000	33.8 °C26 December 2000	-4.2 °C14 July 2000	17.7 °C	1,979 mm	37	6
1999	35.1 °C27 December 1999	0.1 °C15 August 1999	17.7 °C	1,856 mm	44	0
1998	33.9 °C8 December 1998	2.6 °C25 June 1998	17.7 °C	2,726 mm	29	0
1997	33.7 °C29 January 1997	-1.0 °C28 June 1997	18.5 °C	2,207 mm	40	3
1996	34.6 °C4 January 1996	-3.3 °C30 June 1996	17.8 °C	1,772 mm	30	4
1995	38.0 °C18 December 1995	-3.0 °C5 August 1995	18.2 °C	1,744 mm	45	2
1994	36.1 °C12 December 1994	-1.3 °C10 July 1994	18.4 °C	2,046 mm	44	2
1993	33.3 °C11 October 1993	-2.0 °C15 July 1993	17.8 °C	1,964 mm	33	3
1992	33.0 °C14 November 1992	-1.7 °C2 August 1992	17.6 °C	1,920 mm	26	5
1991	34.9 °C23 November 1991	-3.7 °C14 July 1991	18.3 °C	1,538 mm	50	5
1990	34.2 °C15 November 1990	-1.5 °C28 July 1990	17.6 °C	2,166 mm	30	4
1989	33.6 °C6 December 1989	-1.8 °C6 July 1989	17.6 °C	1,588 mm	36	1
1988	34.5 °C12 January 1988	-2.2 °C2 June 1988	17.6 °C	1,677 mm	47	7
1987	34.8 °C1 December 1987	-0.6 °C16 June 1987	18.0 °C	2,343 mm	40	2
1986	38.2 °C16 January 1986	1.1 °C14 May 1986	18.9 °C	2,048 mm	52	0
1985	39.5 °C16 November 1985	-1.1 °C11 July 1985	18.9 °C	1,937 mm	62	1
1984	34.1 °C7 January 1984	-1.1 °C26 August 1984	18.1 °C	2,534 mm	38	1
1983	33.2 °C30 December 1983	0.2 °C7 June 1983	17.7 °C	2,157 mm	34	0
1982	33.0 °C27 January 1982	1.5 °C30 July 1982	18.4 °C	1,890 mm	28	0
1981	32.2 °C7 April 1981	-2.1 °C19 June 1981	18.3 °C	1,557 mm	21	1
1980	33.6 °C15 February 1980	-1.7 °C15 July 1980	18.4 °C	1,791 mm	40	5
1979	37.4 °C5 February 1979	0.2 °C17 July 1979	17.5 °C	1,764 mm	47	0
1978	33.6 °C18 March 1978	-0.2 °C1 June 1978	18.1 °C	1,399 mm	32	1
1977	33.5 °C30 October 1977	1.0 °C18 May 1977	19.0 °C	2,120 mm	51	0
1976	34.3 °C14 December 1976	-1.9 °C10 July 1976	17.3 °C	1,626 mm	26	4
1975	34.5 °C15 November 1975	-2.6 °C18 July 1975	17.7 °C	1,886 mm	29	4
1974	34.6 °C3 January 1974	-0.1 °C17 August 1974	17.7 °C	1,449 mm	29	1
1973	34.4 °C12 January 1973	0.8 °C19 July 1973	17.9 °C	2,225 mm	27	0
1972	36.2 °C28 December 1972	-0.7 °C14 July 1972	18.0 °C	2,550 mm	25	2
1971	36.3 °C20 December 1971	-1.4 °C12 June 1971	17.7 °C	1,532 mm	42	3
1970	34.5 °C27 December 1970	-0.9 °C2 July 1970	18.0 °C	1,863 mm	28	1
1969	32.8 °C5 February 1969	-0.8 °C19 June 1969	17.6 °C	1,819 mm	25	1
1968	35.7 °C12 December 1968	-0.6 °C3 September 1968	17.9 °C	1,503 mm	54	1
1967	33.8 °C18 December 1967	-4.8 °C14 June 1967	18.0 °C	2,112 mm	21	4
1966	31.9 °C11 December 1966	-1.0 °C6 August 1966	17.1 °C	1,993 mm	10	3
1965	35.3 °C1 February 1965	-1.6 °C16 July 1965	17.7 °C	1,811 mm	52	4
1964	33.3 °C29 January 1964	-0.2 °C29 June 1964	17.0 °C	1,200 mm	29	1
1963	35.6 °C2 January 1963	-1.0 °C6 August 1963	18.0 °C	1,845 mm	25	2
1962	36.2 °C25 December 1962	-0.6 °C23 June 1962	16.8 °C	1,045 mm	26	2
1961	33.1 °C24 January 1961	-2.0 °C16 June 1961	18.2 °C	1,865 mm	26	3
1960	33.3 °C9 December 1960	-1.4 °C25 June 1960	17.6 °C	1,306 mm	37	2
1959	30.3 °C20 January 1959	0.7 °C10 June 1959	17.7 °C	2,196 mm	5	0
1958	33.9 °C7 January 1958	1.1 °C19 June 1958	17.6 °C	1,879 mm	19	0
1957	32.9 °C25 December 1957	0.1 °C3 August 1957	17.5 °C	1,744 mm	12	0
1956	30.4 °C5 February 1956	1.0 °C14 May 1956	16.7 °C	1,514 mm	1	0
1955	31.9 °C6 January 1955	-2.0 °C8 July 1955	17.1 °C	1,830 mm	9	4
1954	31.2 °C11 December 1954	2.5 °C19 May 1954	17.6 °C	2,089 mm	9	0
1953	33.3 °C5 January 1953	0.9 °C20 July 1953	18.3 °C	1,900 mm	13	0
1952	34.1 °C27 December 1952	3.7 °C10 June 1952	17.8 °C	1,525 mm	16	0
1951	30.0 °C25 September 1951	0.7 °C6 July 1951	17.6 °C	1,627 mm	1	0
1950	30.4 °C29 January 1950	-0.2 °C11 July 1950	17.5 °C	1,661 mm	1	1
1949	33.0 °C26 December 1949	-0.1 °C19 July 1949	17.4 °C	1,482 mm	10	1
1948	30.6 °C12 December 1948	0.1 °C8 August 1948	17.7 °C	2,353 mm	2	0
1947	30.7 °C29 November 1947	-1.1 °C11 July 1947	17.7 °C	1,595 mm	3	2
1946	31.4 °C23 January 1946	0.1 °C19 July 1946	17.6 °C	1,892 mm	3	0
1945	34.4 °C15 January 1945	-1.3 °C9 July 1945	18.3 °C	1,410 mm	19	3
1944	32.3 °C20 December 1944	0.1 °C27 June 1944	19.0 °C	1,612 mm	19	0
1943	36.8 °C17 January 1943	1.5 °C28 August 1943	18.6 °C	1,022 mm	46	0
1942	36.3 °C26 November 1942	-1.8 °C18 June 1942	17.8 °C	1,244 mm	29	3
1941	30.9 °C25 November 1941	-0.6 °C26 June 1941	17.9 °C	1,891 mm	5	1
1940	32.1 °C9 March 1940	1.7 °C27 August 1940	18.0 °C	1,817 mm	18	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

23.6 °C

+0.5 °C

Hot days (≥ 30 °C)

63 d/yr

+29

Frost days (< 0 °C)

3 d/yr

Annual rainfall

1867 mm

+59 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.3 °C	+2.0 °C	79 mm	-98 mm
Feb	31.4 °C	+3.9 °C	118 mm	-29 mm
Mar	28.9 °C	+2.5 °C	77 mm	-54 mm
Apr	22.7 °C	-0.7 °C	119 mm	-20 mm
May	21.0 °C	+1.0 °C	269 mm	+130 mm
Jun	14.7 °C	-3.1 °C	206 mm	+60 mm
Jul	17.2 °C	-0.5 °C	74 mm	-60 mm
Aug	18.6 °C	-0.7 °C	123 mm	-12 mm
Sep	20.9 °C	+0.1 °C	273 mm	+95 mm
Oct	23.2 °C	+0.1 °C	135 mm	-56 mm
Nov	26.4 °C	+0.8 °C	99 mm	-47 mm
Dec	28.5 °C	+0.7 °C	294 mm	+149 mm

The year's extremes

Hottest day

36.7 °C

5 Feb 2025

Coldest day

-2.2 °C

1 Jul 2025

Wettest day

71.6 mm

9 May 2025

Windiest day

37.8 km/h

20 Aug 2025

Strongest gust

78.1 km/h

14 Jun 2025

Hottest feels-like

40.3 °C

2 Mar 2025

Coldest feels-like

-5.8 °C

1 Jul 2025

Sunniest day

13.6 h

3 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 Júlio de Castilhos?

Júlio de Castilhos has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 1,808 mm of precipitation per year.

What is the hottest day ever recorded in Júlio de Castilhos?

The hottest day measured in Júlio de Castilhos between 1940 and 2025 was 16 November 1985, reaching 39.5 °C.

What is the coldest day in Júlio de Castilhos?

The coldest day measured in Júlio de Castilhos between 1940 and 2025 was 14 June 1967, at -4.8 °C.

Does it snow in Júlio de Castilhos?

Almost never: Júlio de Castilhos sees virtually no snow, with about 2 frost days per year.

Has the climate of Júlio de Castilhos warmed?

Yes: Júlio de Castilhos warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Júlio de Castilhos?

The wettest day measured in Júlio de Castilhos between 1940 and 2025 was 19 May 1985, with 105 mm of rain in 24 hours.

What was the windiest day in Júlio de Castilhos?

The windiest day measured in Júlio de Castilhos between 1940 and 2025 was 5 June 1992, with winds reaching 53.6 km/h.

What is the warmest month in Júlio de Castilhos?

The warmest month in Júlio de Castilhos is January (23.1 °C on average); the coldest is July (12.9 °C).

How much does it rain in Júlio de Castilhos?

Júlio de Castilhos receives on average 1,808 mm of precipitation per year, spread over about 142 rainy days.

Is it sunny in Júlio de Castilhos?

Júlio de Castilhos 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 Júlio de Castilhos?

The heaviest 24-hour snowfall measured in Júlio de Castilhos between 1940 and 2025 was 20 August 1965, with 3.3 cm.

Are there tropical nights in Júlio de Castilhos?

Yes: Júlio de Castilhos has on average 32 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Júlio de Castilhos?

In Júlio de Castilhos, between 1940 and 2025, the highest apparent temperature reached 42.4 °C on 20 January 2022, and the lowest was -8.7 °C on 14 June 1967.

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