Assis Chateaubriand climate — normals and trends

Q: What is the climate of Assis Chateaubriand?

Assis Chateaubriand has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.2 °C and it receives 1,772 mm of precipitation per year.

Q: What is the hottest day ever recorded in Assis Chateaubriand?

The hottest day measured in Assis Chateaubriand between 1940 and 2025 was 17 November 1985, reaching 40.0 °C.

Q: What is the coldest day in Assis Chateaubriand?

The coldest day measured in Assis Chateaubriand between 1940 and 2025 was 18 July 1975, at -2.6 °C.

Q: Does it snow in Assis Chateaubriand?

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

Q: Has the climate of Assis Chateaubriand warmed?

Yes: Assis Chateaubriand warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Assis Chateaubriand?

The wettest day measured in Assis Chateaubriand between 1940 and 2025 was 11 March 1947, with 128 mm of rain in 24 hours.

Q: What was the windiest day in Assis Chateaubriand?

The windiest day measured in Assis Chateaubriand between 1940 and 2025 was 15 September 1956, with winds reaching 49.0 km/h.

Q: What is the warmest month in Assis Chateaubriand?

The warmest month in Assis Chateaubriand is January (24.4 °C on average); the coldest is July (16.7 °C).

Q: How much does it rain in Assis Chateaubriand?

Assis Chateaubriand receives on average 1,772 mm of precipitation per year, spread over about 149 rainy days.

Q: Is it sunny in Assis Chateaubriand?

Assis Chateaubriand gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Assis Chateaubriand (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 21.2 °C and it receives 1,772 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 (24.4 °C on average) and the coldest is July (16.7 °C). Rainfall peaks in October.

Assis Chateaubriand averages 0 frost days, 83 hot days (≥ 30 °C) and 149 rainy days per year.

Assis Chateaubriand has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.

The hottest day of the period reached 40.0 °C (on 17 November 1985) and the coldest -2.6 °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

Assis ChateaubriandParaná

coords: -24.42°, -53.52°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthOctoberDriest monthAugust

Mean daily temperature

21.2°C

Average daily high

26.6°C

Average daily low

16.9°C

Annual rainfall

1,772mm

Sunshine / day

9.4h

Mean relative humidity

76%

Average peak wind

13.1km/h

Seasonal range

7.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

83 d/yr

Rainy days (≥ 1 mm)

149 d/yr

Annual snowfall

0.0 cm

Average feels-like high

28.8 °C

Average feels-like low

17.2 °C

Average peak gust

32.3 km/h

Tropical nights (≥ 20 °C)

94 d/yr

Solar radiation

17.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.32 · 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

40.0 °C

17 November 1985

Coldest day

-2.6 °C

18 July 1975

Wettest day

128 mm

11 March 1947

Windiest day

49.0 km/h

15 September 1956

Strongest gust

89.6 km/h

5 October 1997

Hottest feels-like

43.6 °C

17 November 1985

Coldest feels-like

-7.1 °C

18 July 1975

Sunniest day

13.2 h

8 January 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.9 °C5 October 2025	-0.8 °C24 June 2025	21.4 °C	1,602 mm	116	1
2024	37.3 °C25 September 2024	3.7 °C26 August 2024	22.9 °C	1,212 mm	164	0
2023	37.3 °C26 September 2023	6.1 °C15 July 2023	22.0 °C	1,616 mm	103	0
2022	36.4 °C23 January 2022	3.8 °C12 June 2022	21.1 °C	1,733 mm	95	0
2021	37.5 °C20 September 2021	-0.5 °C29 July 2021	21.7 °C	1,307 mm	131	1
2020	40.0 °C2 October 2020	3.6 °C21 August 2020	22.2 °C	1,094 mm	138	0
2019	37.7 °C16 September 2019	0.3 °C6 July 2019	22.5 °C	1,510 mm	130	0
2018	35.0 °C23 September 2018	4.5 °C11 August 2018	21.6 °C	1,492 mm	114	0
2017	36.7 °C12 October 2017	0.6 °C18 July 2017	22.0 °C	1,941 mm	117	0
2016	36.3 °C19 October 2016	2.6 °C12 June 2016	21.0 °C	1,894 mm	108	0
2015	36.8 °C24 September 2015	5.6 °C16 June 2015	22.0 °C	2,264 mm	104	0
2014	37.4 °C12 October 2014	5.3 °C1 July 2014	21.8 °C	1,884 mm	106	0
2013	35.8 °C11 November 2013	0.7 °C24 July 2013	21.1 °C	2,039 mm	99	0
2012	36.8 °C16 September 2012	4.2 °C13 July 2012	22.0 °C	1,442 mm	140	0
2011	36.3 °C30 September 2011	0.7 °C27 June 2011	21.1 °C	1,777 mm	90	0
2010	35.8 °C5 February 2010	2.3 °C14 July 2010	21.0 °C	1,779 mm	89	0
2009	36.0 °C3 November 2009	0.6 °C25 July 2009	21.2 °C	2,003 mm	115	0
2008	36.4 °C8 December 2008	1.5 °C17 June 2008	21.1 °C	1,630 mm	100	0
2007	36.0 °C6 October 2007	1.1 °C26 July 2007	21.7 °C	1,360 mm	126	0
2006	35.6 °C16 January 2006	1.9 °C5 September 2006	21.7 °C	1,376 mm	111	0
2005	37.8 °C12 March 2005	3.5 °C25 July 2005	21.8 °C	1,458 mm	128	0
2004	36.3 °C10 March 2004	3.0 °C13 June 2004	21.3 °C	1,653 mm	117	0
2003	36.4 °C1 March 2003	3.4 °C12 July 2003	21.3 °C	1,536 mm	109	0
2002	36.5 °C7 October 2002	0.3 °C3 September 2002	22.1 °C	1,614 mm	137	0
2001	34.4 °C28 October 2001	1.1 °C28 July 2001	21.6 °C	1,738 mm	106	0
2000	34.9 °C19 October 2000	-1.0 °C20 July 2000	21.0 °C	2,022 mm	105	3
1999	36.3 °C20 December 1999	1.7 °C15 August 1999	21.1 °C	1,418 mm	103	0
1998	34.2 °C25 January 1998	6.4 °C25 June 1998	21.1 °C	2,643 mm	84	0
1997	34.2 °C26 December 1997	3.0 °C9 June 1997	21.3 °C	2,253 mm	77	0
1996	33.3 °C21 September 1996	3.3 °C30 June 1996	20.8 °C	2,140 mm	63	0
1995	35.0 °C17 December 1995	3.2 °C26 June 1995	21.4 °C	1,887 mm	89	0
1994	35.4 °C26 December 1994	-2.0 °C26 June 1994	21.6 °C	2,055 mm	99	2
1993	35.7 °C15 November 1993	-0.8 °C31 July 1993	20.9 °C	1,772 mm	93	2
1992	34.1 °C14 November 1992	1.5 °C19 July 1992	20.9 °C	2,184 mm	90	0
1991	35.2 °C21 January 1991	1.8 °C3 August 1991	21.7 °C	1,564 mm	120	0
1990	35.3 °C12 March 1990	0.8 °C29 July 1990	20.9 °C	2,189 mm	100	0
1989	34.5 °C25 October 1989	0.3 °C6 July 1989	20.5 °C	2,045 mm	74	0
1988	36.2 °C16 December 1988	-0.8 °C5 June 1988	21.3 °C	1,373 mm	118	1
1987	35.6 °C11 October 1987	2.3 °C17 June 1987	21.0 °C	2,221 mm	106	0
1986	35.3 °C4 November 1986	3.9 °C1 June 1986	21.4 °C	1,823 mm	88	0
1985	40.0 °C17 November 1985	2.6 °C11 July 1985	21.7 °C	1,112 mm	138	0
1984	36.0 °C17 January 1984	1.0 °C26 August 1984	21.6 °C	1,709 mm	92	0
1983	33.5 °C26 November 1983	3.2 °C5 June 1983	20.8 °C	2,991 mm	82	0
1982	34.5 °C22 October 1982	4.7 °C30 July 1982	21.3 °C	2,066 mm	70	0
1981	34.5 °C19 September 1981	-2.4 °C19 June 1981	20.9 °C	1,578 mm	73	2
1980	34.5 °C26 October 1980	2.1 °C17 September 1980	21.0 °C	2,074 mm	87	0
1979	36.0 °C7 February 1979	1.4 °C1 June 1979	20.5 °C	1,995 mm	69	0
1978	36.6 °C19 February 1978	0.5 °C2 June 1978	21.4 °C	1,306 mm	112	0
1977	35.7 °C12 March 1977	3.4 °C17 July 1977	21.8 °C	1,708 mm	108	0
1976	34.4 °C19 January 1976	2.6 °C10 July 1976	20.1 °C	1,751 mm	73	0
1975	34.4 °C13 February 1975	-2.6 °C18 July 1975	20.7 °C	1,571 mm	64	2
1974	33.7 °C23 September 1974	4.7 °C4 June 1974	20.4 °C	1,795 mm	69	0
1973	34.8 °C13 January 1973	3.8 °C28 June 1973	21.0 °C	2,305 mm	73	0
1972	37.1 °C27 October 1972	-1.2 °C9 July 1972	20.8 °C	1,885 mm	61	1
1971	35.8 °C6 February 1971	2.7 °C14 June 1971	20.7 °C	1,462 mm	77	0
1970	35.9 °C8 December 1970	4.5 °C24 June 1970	21.0 °C	1,521 mm	77	0
1969	34.4 °C12 February 1969	2.6 °C10 July 1969	20.9 °C	1,285 mm	92	0
1968	36.2 °C3 November 1968	3.6 °C17 May 1968	20.3 °C	1,547 mm	86	0
1967	35.5 °C18 October 1967	2.5 °C9 June 1967	21.4 °C	1,581 mm	82	0
1966	33.6 °C14 September 1966	-0.9 °C6 August 1966	20.7 °C	1,555 mm	66	1
1965	32.8 °C24 September 1965	1.0 °C22 August 1965	20.2 °C	2,005 mm	39	0
1964	34.5 °C13 March 1964	3.8 °C6 June 1964	20.2 °C	1,295 mm	73	0
1963	37.0 °C21 October 1963	0.7 °C6 August 1963	21.5 °C	1,488 mm	101	0
1962	33.6 °C17 September 1962	2.8 °C17 July 1962	19.7 °C	1,232 mm	51	0
1961	36.8 °C27 September 1961	2.1 °C16 June 1961	21.5 °C	1,575 mm	94	0
1960	35.6 °C10 December 1960	1.5 °C25 June 1960	20.3 °C	1,627 mm	67	0
1959	33.7 °C10 October 1959	3.5 °C7 June 1959	21.2 °C	1,711 mm	46	0
1958	35.1 °C5 January 1958	5.5 °C11 August 1958	21.1 °C	1,494 mm	74	0
1957	34.5 °C18 October 1957	4.0 °C22 July 1957	20.8 °C	1,906 mm	29	0
1956	33.6 °C7 October 1956	5.0 °C11 May 1956	20.2 °C	1,597 mm	35	0
1955	33.6 °C1 October 1955	0.2 °C31 July 1955	20.6 °C	1,896 mm	56	0
1954	32.9 °C17 September 1954	5.4 °C21 June 1954	21.0 °C	1,675 mm	43	0
1953	31.5 °C17 August 1953	6.6 °C25 July 1953	21.4 °C	1,734 mm	18	0
1952	33.9 °C11 December 1952	3.5 °C19 June 1952	20.8 °C	1,493 mm	39	0
1951	34.2 °C25 September 1951	5.9 °C29 June 1951	20.9 °C	1,746 mm	21	0
1950	32.7 °C2 September 1950	4.7 °C11 July 1950	20.7 °C	2,230 mm	17	0
1949	33.0 °C13 November 1949	3.6 °C14 May 1949	20.4 °C	2,451 mm	19	0
1948	33.6 °C24 September 1948	5.9 °C15 June 1948	20.7 °C	2,767 mm	16	0
1947	31.1 °C29 November 1947	5.6 °C10 July 1947	20.4 °C	2,505 mm	4	0
1946	30.8 °C13 September 1946	1.7 °C18 July 1946	20.5 °C	2,857 mm	11	0
1945	31.4 °C16 January 1945	3.9 °C21 June 1945	20.9 °C	1,890 mm	12	0
1944	33.5 °C6 September 1944	7.0 °C27 June 1944	22.2 °C	1,049 mm	61	0
1943	37.2 °C16 January 1943	5.6 °C29 August 1943	21.4 °C	657 mm	107	0
1942	39.6 °C25 November 1942	1.8 °C18 June 1942	21.0 °C	1,218 mm	108	0
1941	31.2 °C9 January 1941	3.2 °C18 July 1941	20.7 °C	2,630 mm	15	0
1940	30.7 °C3 September 1940	5.4 °C17 August 1940	20.7 °C	2,331 mm	8	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

27.0 °C

+0.4 °C

Hot days (≥ 30 °C)

116 d/yr

+33

Frost days (< 0 °C)

1 d/yr

Annual rainfall

1602 mm

-170 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	31.0 °C	+1.6 °C	92 mm	-104 mm
Feb	31.5 °C	+2.1 °C	73 mm	-105 mm
Mar	31.2 °C	+2.2 °C	91 mm	-45 mm
Apr	25.4 °C	-1.3 °C	151 mm	+32 mm
May	25.4 °C	+2.0 °C	86 mm	-53 mm
Jun	20.6 °C	-1.3 °C	236 mm	+109 mm
Jul	22.7 °C	+0.4 °C	45 mm	-56 mm
Aug	24.2 °C	-0.4 °C	80 mm	-12 mm
Sep	27.8 °C	+1.5 °C	71 mm	-67 mm
Oct	26.8 °C	-0.9 °C	232 mm	+31 mm
Nov	28.5 °C	-0.3 °C	228 mm	+67 mm
Dec	29.2 °C	+0.1 °C	218 mm	+33 mm

The year's extremes

Hottest day

35.9 °C

5 Oct 2025

Coldest day

-0.8 °C

24 Jun 2025

Wettest day

76.1 mm

2 Nov 2025

Windiest day

28.3 km/h

10 Dec 2025

Strongest gust

79.2 km/h

21 Sep 2025

Hottest feels-like

39.7 °C

18 Jan 2025

Coldest feels-like

-4.1 °C

24 Jun 2025

Sunniest day

13.1 h

11 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 Assis Chateaubriand?

Assis Chateaubriand has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.2 °C and it receives 1,772 mm of precipitation per year.

What is the hottest day ever recorded in Assis Chateaubriand?

The hottest day measured in Assis Chateaubriand between 1940 and 2025 was 17 November 1985, reaching 40.0 °C.

What is the coldest day in Assis Chateaubriand?

The coldest day measured in Assis Chateaubriand between 1940 and 2025 was 18 July 1975, at -2.6 °C.

Does it snow in Assis Chateaubriand?

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

Has the climate of Assis Chateaubriand warmed?

Yes: Assis Chateaubriand warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Assis Chateaubriand?

The wettest day measured in Assis Chateaubriand between 1940 and 2025 was 11 March 1947, with 128 mm of rain in 24 hours.

What was the windiest day in Assis Chateaubriand?

The windiest day measured in Assis Chateaubriand between 1940 and 2025 was 15 September 1956, with winds reaching 49.0 km/h.

What is the warmest month in Assis Chateaubriand?

The warmest month in Assis Chateaubriand is January (24.4 °C on average); the coldest is July (16.7 °C).

How much does it rain in Assis Chateaubriand?

Assis Chateaubriand receives on average 1,772 mm of precipitation per year, spread over about 149 rainy days.

Is it sunny in Assis Chateaubriand?

Assis Chateaubriand gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.

Are there tropical nights in Assis Chateaubriand?

Yes: Assis Chateaubriand has on average 94 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Assis Chateaubriand?

In Assis Chateaubriand, between 1940 and 2025, the highest apparent temperature reached 43.6 °C on 17 November 1985, and the lowest was -7.1 °C on 18 July 1975.

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