Biguaçu climate — normals and trends

Q: What is the climate of Biguaçu?

Biguaçu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.2 °C and it receives 1,627 mm of precipitation per year.

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

The hottest day measured in Biguaçu between 1940 and 2025 was 30 January 2019, reaching 37.9 °C.

Q: What is the coldest day in Biguaçu?

The coldest day measured in Biguaçu between 1940 and 2025 was 3 August 1991, at -0.2 °C.

Q: Does it snow in Biguaçu?

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

Q: Has the climate of Biguaçu warmed?

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

Q: What is the wettest day in Biguaçu?

The wettest day measured in Biguaçu between 1940 and 2025 was 23 November 2008, with 163 mm of rain in 24 hours.

Q: What was the windiest day in Biguaçu?

The windiest day measured in Biguaçu between 1940 and 2025 was 13 July 2023, with winds reaching 34.7 km/h.

Q: What is the warmest month in Biguaçu?

The warmest month in Biguaçu is January (23.3 °C on average); the coldest is July (14.9 °C).

Q: How much does it rain in Biguaçu?

Biguaçu receives on average 1,627 mm of precipitation per year, spread over about 185 rainy days.

Q: Is it sunny in Biguaçu?

Biguaçu gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.

Biguaçu (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.2 °C and it receives 1,627 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 (23.3 °C on average) and the coldest is July (14.9 °C). Rainfall peaks in January.

Biguaçu averages 0 frost days, 26 hot days (≥ 30 °C) and 185 rainy days per year.

Biguaçu has warmed by +1.0 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.9 °C (on 30 January 2019) and the coldest -0.2 °C (on 3 August 1991).

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

BiguaçuSanta Catarina

coords: -27.49°, -48.66°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJanuaryColdest monthJulyWettest monthJanuaryDriest monthJuly

Mean daily temperature

19.2°C

Average daily high

23.6°C

Average daily low

15.9°C

Annual rainfall

1,627mm

Sunshine / day

8.6h

Mean relative humidity

83%

Average peak wind

12.1km/h

Seasonal range

8.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

26 d/yr

Rainy days (≥ 1 mm)

185 d/yr

Annual snowfall

0.0 cm

Average feels-like high

25.5 °C

Average feels-like low

16.6 °C

Average peak gust

32.6 km/h

Tropical nights (≥ 20 °C)

61 d/yr

Solar radiation

15.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.0 °C

since 1940

+0.1 °C per decade · r² = 0.30 · 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

37.9 °C

30 January 2019

Coldest day

-0.2 °C

3 August 1991

Wettest day

163 mm

23 November 2008

Windiest day

34.7 km/h

13 July 2023

Strongest gust

93.6 km/h

1 July 2020

Hottest feels-like

44.7 °C

4 February 2010

Coldest feels-like

-3.6 °C

18 July 1975

Sunniest day

13.7 h

11 December 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.0 °C27 December 2025	1.8 °C25 June 2025	19.3 °C	1,655 mm	38	0
2024	34.9 °C12 February 2024	2.5 °C13 August 2024	20.0 °C	2,147 mm	42	0
2023	33.3 °C18 September 2023	6.5 °C19 June 2023	20.0 °C	1,757 mm	45	0
2022	35.3 °C12 December 2022	4.0 °C20 August 2022	19.1 °C	1,942 mm	31	0
2021	32.6 °C29 November 2021	1.0 °C30 July 2021	19.1 °C	1,716 mm	19	0
2020	34.1 °C2 October 2020	4.3 °C22 August 2020	19.5 °C	1,386 mm	28	0
2019	37.9 °C30 January 2019	2.6 °C7 July 2019	20.3 °C	1,352 mm	50	0
2018	35.2 °C12 December 2018	4.7 °C27 August 2018	19.8 °C	1,362 mm	29	0
2017	35.5 °C16 November 2017	2.3 °C19 July 2017	20.2 °C	1,733 mm	39	0
2016	35.4 °C27 December 2016	0.7 °C13 June 2016	19.3 °C	1,567 mm	37	0
2015	36.4 °C12 January 2015	5.0 °C16 June 2015	20.3 °C	2,042 mm	45	0
2014	37.7 °C9 February 2014	4.8 °C3 June 2014	20.3 °C	1,554 mm	49	0
2013	35.8 °C27 December 2013	1.0 °C24 July 2013	19.2 °C	1,507 mm	26	0
2012	36.7 °C25 December 2012	3.9 °C8 June 2012	19.8 °C	1,486 mm	44	0
2011	34.9 °C23 December 2011	1.7 °C28 June 2011	18.9 °C	2,256 mm	21	0
2010	37.2 °C4 February 2010	4.9 °C14 July 2010	19.3 °C	2,051 mm	32	0
2009	35.3 °C19 November 2009	2.2 °C3 June 2009	19.2 °C	1,660 mm	32	0
2008	33.1 °C11 January 2008	1.3 °C17 June 2008	18.9 °C	2,331 mm	17	0
2007	34.2 °C31 March 2007	3.0 °C27 July 2007	19.6 °C	1,301 mm	38	0
2006	34.8 °C12 September 2006	2.0 °C5 September 2006	19.7 °C	1,237 mm	45	0
2005	33.3 °C11 March 2005	4.2 °C20 July 2005	19.6 °C	1,674 mm	25	0
2004	32.1 °C25 December 2004	1.7 °C14 June 2004	18.9 °C	1,822 mm	18	0
2003	34.3 °C6 February 2003	1.6 °C12 July 2003	19.5 °C	1,235 mm	44	0
2002	34.8 °C30 March 2002	4.2 °C26 June 2002	20.0 °C	1,577 mm	50	0
2001	35.0 °C28 January 2001	3.3 °C28 July 2001	20.1 °C	1,704 mm	39	0
2000	34.2 °C27 December 2000	0.0 °C18 July 2000	19.0 °C	1,480 mm	28	0
1999	34.1 °C7 February 1999	3.4 °C15 August 1999	18.8 °C	1,688 mm	31	0
1998	36.0 °C28 January 1998	6.3 °C22 June 1998	19.3 °C	2,163 mm	39	0
1997	35.0 °C21 December 1997	5.6 °C1 July 1997	19.6 °C	1,879 mm	29	0
1996	34.8 °C12 January 1996	3.8 °C3 June 1996	18.9 °C	2,020 mm	26	0
1995	35.9 °C18 December 1995	3.3 °C26 June 1995	19.4 °C	1,987 mm	37	0
1994	37.1 °C14 December 1994	2.1 °C10 July 1994	19.7 °C	1,579 mm	37	0
1993	35.1 °C8 January 1993	2.2 °C16 July 1993	19.3 °C	1,620 mm	38	0
1992	34.1 °C22 February 1992	3.1 °C23 July 1992	19.2 °C	1,657 mm	29	0
1991	35.6 °C16 October 1991	-0.2 °C3 August 1991	19.3 °C	1,522 mm	23	1
1990	33.5 °C8 February 1990	1.2 °C29 July 1990	19.0 °C	1,665 mm	31	0
1989	35.0 °C23 November 1989	3.4 °C6 July 1989	18.7 °C	1,644 mm	15	0
1988	35.0 °C19 January 1988	2.3 °C6 June 1988	18.7 °C	1,177 mm	28	0
1987	34.6 °C7 January 1987	2.3 °C17 June 1987	19.2 °C	1,684 mm	36	0
1986	36.2 °C16 December 1986	5.5 °C6 September 1986	20.1 °C	1,264 mm	40	0
1985	33.7 °C11 November 1985	5.6 °C11 July 1985	19.5 °C	1,388 mm	20	0
1984	35.3 °C13 January 1984	0.3 °C26 August 1984	19.3 °C	1,632 mm	35	0
1983	34.0 °C10 March 1983	4.3 °C6 August 1983	19.1 °C	2,563 mm	23	0
1982	33.4 °C12 February 1982	4.9 °C30 July 1982	19.3 °C	1,227 mm	16	0
1981	32.5 °C4 February 1981	1.2 °C19 June 1981	19.2 °C	1,448 mm	18	0
1980	33.5 °C18 December 1980	2.6 °C27 June 1980	19.2 °C	1,647 mm	29	0
1979	33.8 °C14 December 1979	2.6 °C1 June 1979	18.4 °C	1,461 mm	17	0
1978	36.6 °C2 February 1978	2.1 °C5 June 1978	19.2 °C	1,139 mm	36	0
1977	34.3 °C28 February 1977	3.8 °C2 September 1977	20.0 °C	1,755 mm	39	0
1976	33.8 °C15 December 1976	2.6 °C11 July 1976	18.8 °C	1,724 mm	26	0
1975	36.6 °C15 February 1975	-0.1 °C18 July 1975	18.9 °C	1,539 mm	27	1
1974	33.0 °C10 January 1974	4.4 °C14 June 1974	19.0 °C	1,376 mm	23	0
1973	37.3 °C10 February 1973	4.6 °C20 June 1973	19.3 °C	1,735 mm	32	0
1972	34.2 °C2 January 1972	2.4 °C9 July 1972	19.3 °C	1,597 mm	25	0
1971	37.1 °C24 January 1971	2.9 °C14 June 1971	19.1 °C	1,482 mm	39	0
1970	34.7 °C28 December 1970	2.7 °C3 July 1970	19.4 °C	1,309 mm	32	0
1969	33.9 °C1 January 1969	3.9 °C12 July 1969	18.9 °C	1,668 mm	26	0
1968	34.1 °C11 February 1968	2.5 °C17 May 1968	18.6 °C	1,291 mm	25	0
1967	32.2 °C28 February 1967	2.0 °C9 June 1967	19.2 °C	1,325 mm	15	0
1966	33.3 °C24 January 1966	3.8 °C7 August 1966	18.6 °C	1,768 mm	23	0
1965	33.6 °C17 January 1965	1.5 °C12 July 1965	18.7 °C	1,427 mm	11	0
1964	31.7 °C7 February 1964	3.9 °C28 July 1964	18.2 °C	1,541 mm	13	0
1963	34.8 °C8 January 1963	3.8 °C7 August 1963	19.2 °C	1,657 mm	23	0
1962	34.5 °C29 November 1962	3.5 °C18 July 1962	18.0 °C	1,345 mm	10	0
1961	34.5 °C17 January 1961	3.3 °C15 June 1961	19.6 °C	1,404 mm	24	0
1960	32.2 °C23 October 1960	3.3 °C2 September 1960	18.4 °C	1,473 mm	8	0
1959	32.6 °C27 January 1959	5.3 °C7 June 1959	19.3 °C	1,315 mm	16	0
1958	34.5 °C15 February 1958	5.2 °C19 June 1958	19.1 °C	1,782 mm	21	0
1957	34.2 °C30 December 1957	2.7 °C3 August 1957	18.7 °C	1,895 mm	11	0
1956	33.3 °C7 January 1956	4.3 °C15 May 1956	18.3 °C	1,517 mm	13	0
1955	32.9 °C9 February 1955	1.6 °C31 July 1955	18.3 °C	1,534 mm	14	0
1954	34.2 °C12 January 1954	6.6 °C22 June 1954	19.0 °C	1,774 mm	10	0
1953	34.4 °C6 January 1953	7.2 °C12 July 1953	19.3 °C	1,431 mm	27	0
1952	32.6 °C26 December 1952	5.4 °C19 June 1952	19.0 °C	1,155 mm	20	0
1951	30.8 °C19 November 1951	7.3 °C10 July 1951	18.6 °C	1,355 mm	3	0
1950	31.1 °C29 December 1950	0.8 °C12 July 1950	18.5 °C	1,556 mm	4	0
1949	32.5 °C3 January 1949	4.0 °C16 August 1949	18.5 °C	1,753 mm	11	0
1948	32.4 °C6 January 1948	5.3 °C9 August 1948	18.8 °C	1,778 mm	10	0
1947	33.4 °C6 February 1947	4.5 °C11 July 1947	18.4 °C	1,794 mm	11	0
1946	30.6 °C13 February 1946	5.6 °C5 June 1946	19.1 °C	2,371 mm	3	0
1945	31.4 °C5 February 1945	5.9 °C26 June 1945	19.3 °C	2,093 mm	3	0
1944	32.3 °C6 January 1944	4.3 °C28 June 1944	19.3 °C	1,546 mm	6	0
1943	35.2 °C2 January 1943	5.4 °C25 August 1943	18.9 °C	1,210 mm	29	0
1942	33.6 °C30 December 1942	2.1 °C18 June 1942	18.8 °C	1,137 mm	25	0
1941	34.0 °C6 January 1941	5.0 °C30 June 1941	19.1 °C	1,908 mm	13	0
1940	32.0 °C15 January 1940	5.9 °C27 August 1940	19.4 °C	1,986 mm	5	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

23.7 °C

+0.1 °C

Hot days (≥ 30 °C)

38 d/yr

+12

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1655 mm

+28 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.5 °C	-0.1 °C	200 mm	-16 mm
Feb	29.7 °C	+2.1 °C	181 mm	-19 mm
Mar	28.1 °C	+1.6 °C	98 mm	-57 mm
Apr	24.0 °C	-0.3 °C	190 mm	+87 mm
May	22.6 °C	+0.8 °C	76 mm	-19 mm
Jun	18.7 °C	-1.4 °C	126 mm	+38 mm
Jul	19.2 °C	-0.4 °C	31 mm	-55 mm
Aug	19.4 °C	-1.2 °C	92 mm	-1 mm
Sep	21.0 °C	-0.2 °C	149 mm	+11 mm
Oct	21.6 °C	-1.1 °C	184 mm	+27 mm
Nov	23.9 °C	-0.6 °C	127 mm	-11 mm
Dec	28.9 °C	+2.5 °C	201 mm	+43 mm

The year's extremes

Hottest day

35.0 °C

27 Dec 2025

Coldest day

1.8 °C

25 Jun 2025

Wettest day

94.3 mm

10 Apr 2025

Windiest day

29.0 km/h

18 Oct 2025

Strongest gust

79.9 km/h

10 Dec 2025

Hottest feels-like

42.1 °C

27 Dec 2025

Coldest feels-like

-1.7 °C

25 Jun 2025

Sunniest day

13.7 h

11 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 Biguaçu?

Biguaçu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.2 °C and it receives 1,627 mm of precipitation per year.

What is the hottest day ever recorded in Biguaçu?

The hottest day measured in Biguaçu between 1940 and 2025 was 30 January 2019, reaching 37.9 °C.

What is the coldest day in Biguaçu?

The coldest day measured in Biguaçu between 1940 and 2025 was 3 August 1991, at -0.2 °C.

Does it snow in Biguaçu?

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

Has the climate of Biguaçu warmed?

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

What is the wettest day in Biguaçu?

The wettest day measured in Biguaçu between 1940 and 2025 was 23 November 2008, with 163 mm of rain in 24 hours.

What was the windiest day in Biguaçu?

The windiest day measured in Biguaçu between 1940 and 2025 was 13 July 2023, with winds reaching 34.7 km/h.

What is the warmest month in Biguaçu?

The warmest month in Biguaçu is January (23.3 °C on average); the coldest is July (14.9 °C).

How much does it rain in Biguaçu?

Biguaçu receives on average 1,627 mm of precipitation per year, spread over about 185 rainy days.

Is it sunny in Biguaçu?

Biguaçu gets on average 8.6 hours of sunshine per day, roughly 3,139 hours per year over 1940-2025.

Are there tropical nights in Biguaçu?

Yes: Biguaçu has on average 61 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Biguaçu?

In Biguaçu, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 4 February 2010, and the lowest was -3.6 °C on 18 July 1975.

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