Ribeirão Branco climate — normals and trends

Q: What is the climate of Ribeirão Branco?

Ribeirão Branco has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 1,603 mm of precipitation per year.

Q: What is the hottest day ever recorded in Ribeirão Branco?

The hottest day measured in Ribeirão Branco between 1940 and 2025 was 1 October 2020, reaching 35.0 °C.

Q: What is the coldest day in Ribeirão Branco?

The coldest day measured in Ribeirão Branco between 1940 and 2025 was 18 July 1975, at -5.1 °C.

Q: Does it snow in Ribeirão Branco?

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

Q: Has the climate of Ribeirão Branco warmed?

Yes: Ribeirão Branco warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Ribeirão Branco?

The wettest day measured in Ribeirão Branco between 1940 and 2025 was 19 January 1977, with 140 mm of rain in 24 hours.

Q: What was the windiest day in Ribeirão Branco?

The windiest day measured in Ribeirão Branco between 1940 and 2025 was 10 December 2025, with winds reaching 38.1 km/h.

Q: What is the warmest month in Ribeirão Branco?

The warmest month in Ribeirão Branco is February (21.2 °C on average); the coldest is July (14.3 °C).

Q: How much does it rain in Ribeirão Branco?

Ribeirão Branco receives on average 1,603 mm of precipitation per year, spread over about 185 rainy days.

Q: Is it sunny in Ribeirão Branco?

Ribeirão Branco gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.

Ribeirão Branco (Brazil) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 18.0 °C and it receives 1,603 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 February (21.2 °C on average) and the coldest is July (14.3 °C). Rainfall peaks in January.

Ribeirão Branco averages 0 frost days, 14 hot days (≥ 30 °C) and 185 rainy days per year.

Ribeirão Branco has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.

The hottest day of the period reached 35.0 °C (on 1 October 2020) and the coldest -5.1 °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

Ribeirão BrancoSão Paulo

coords: -24.22°, -48.77°
period: 1940–2025 · 86 yrs

CfbTemperate oceanicWarmest monthFebruaryColdest monthJulyWettest monthJanuaryDriest monthAugust

Mean daily temperature

18.0°C

Average daily high

23.0°C

Average daily low

14.3°C

Annual rainfall

1,603mm

Sunshine / day

8.4h

Mean relative humidity

85%

Average peak wind

13.5km/h

Seasonal range

6.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

14 d/yr

Rainy days (≥ 1 mm)

185 d/yr

Annual snowfall

0.0 cm

Average feels-like high

24.3 °C

Average feels-like low

14.3 °C

Average peak gust

33.7 km/h

Tropical nights (≥ 20 °C)

7 d/yr

Solar radiation

15.6 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.55 · 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

35.0 °C

1 October 2020

Coldest day

-5.1 °C

18 July 1975

Wettest day

140 mm

19 January 1977

Windiest day

38.1 km/h

10 December 2025

Strongest gust

92.9 km/h

19 September 2012

Hottest feels-like

39.9 °C

20 January 2015

Coldest feels-like

-9.4 °C

18 July 1975

Sunniest day

13.5 h

19 December 2011

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	33.1 °C26 December 2025	1.2 °C25 June 2025	18.1 °C	1,468 mm	25	0
2024	33.6 °C8 January 2024	0.8 °C27 August 2024	19.3 °C	1,586 mm	41	0
2023	34.5 °C12 November 2023	4.6 °C15 July 2023	18.8 °C	1,580 mm	38	0
2022	32.6 °C28 February 2022	2.3 °C13 June 2022	17.9 °C	1,747 mm	19	0
2021	32.6 °C13 September 2021	-1.9 °C30 July 2021	18.1 °C	1,399 mm	20	1
2020	35.0 °C1 October 2020	3.3 °C22 August 2020	18.3 °C	1,424 mm	24	0
2019	34.2 °C1 February 2019	-0.2 °C6 July 2019	19.1 °C	1,283 mm	42	1
2018	32.8 °C15 December 2018	3.2 °C12 July 2018	18.8 °C	1,222 mm	23	0
2017	33.2 °C19 February 2017	2.6 °C19 July 2017	18.8 °C	1,635 mm	34	0
2016	34.0 °C19 October 2016	0.9 °C12 June 2016	18.6 °C	1,486 mm	41	0
2015	34.0 °C24 September 2015	6.7 °C16 June 2015	19.4 °C	2,012 mm	39	0
2014	34.5 °C7 February 2014	3.9 °C1 July 2014	19.1 °C	1,357 mm	51	0
2013	33.8 °C27 December 2013	-0.6 °C24 July 2013	18.3 °C	1,464 mm	16	1
2012	34.1 °C31 October 2012	3.5 °C14 July 2012	18.9 °C	1,672 mm	40	0
2011	32.4 °C22 December 2011	-0.3 °C28 June 2011	18.0 °C	1,530 mm	20	1
2010	32.6 °C5 February 2010	4.2 °C6 June 2010	18.2 °C	1,769 mm	22	0
2009	32.8 °C5 March 2009	0.5 °C3 June 2009	18.5 °C	1,956 mm	20	0
2008	31.7 °C15 October 2008	1.8 °C17 June 2008	18.1 °C	1,617 mm	10	0
2007	32.0 °C23 September 2007	2.8 °C26 July 2007	18.8 °C	1,545 mm	30	0
2006	32.1 °C16 January 2006	2.3 °C22 August 2006	18.4 °C	1,281 mm	20	0
2005	32.8 °C11 March 2005	4.1 °C26 July 2005	18.5 °C	1,689 mm	13	0
2004	32.5 °C26 September 2004	1.3 °C14 June 2004	17.9 °C	1,536 mm	14	0
2003	32.7 °C9 January 2003	2.8 °C11 August 2003	18.2 °C	1,555 mm	17	0
2002	32.8 °C8 October 2002	0.7 °C3 September 2002	19.1 °C	1,383 mm	28	0
2001	32.4 °C7 November 2001	0.7 °C21 June 2001	18.7 °C	1,645 mm	20	0
2000	31.8 °C23 October 2000	-1.1 °C17 July 2000	18.0 °C	1,536 mm	11	2
1999	32.1 °C21 January 1999	1.9 °C15 August 1999	17.8 °C	1,639 mm	16	0
1998	32.3 °C4 February 1998	5.4 °C10 July 1998	18.4 °C	1,840 mm	24	0
1997	32.9 °C9 November 1997	3.0 °C9 June 1997	18.4 °C	2,068 mm	15	0
1996	31.9 °C3 April 1996	3.6 °C3 August 1996	17.9 °C	1,800 mm	14	0
1995	31.9 °C28 February 1995	5.6 °C24 July 1995	18.3 °C	1,714 mm	24	0
1994	32.1 °C23 September 1994	-0.8 °C10 July 1994	18.5 °C	1,597 mm	19	2
1993	33.3 °C2 January 1993	0.4 °C1 August 1993	18.2 °C	1,873 mm	14	0
1992	30.7 °C22 February 1992	3.8 °C20 July 1992	17.9 °C	1,711 mm	3	0
1991	32.2 °C16 October 1991	0.7 °C3 August 1991	18.1 °C	1,725 mm	5	0
1990	32.5 °C14 November 1990	0.9 °C30 July 1990	18.1 °C	1,712 mm	17	0
1989	29.6 °C30 January 1989	3.9 °C7 August 1989	17.5 °C	1,708 mm	0	0
1988	33.4 °C27 September 1988	-0.6 °C1 June 1988	17.7 °C	1,542 mm	19	2
1987	31.9 °C23 February 1987	2.2 °C8 August 1987	18.1 °C	1,661 mm	9	0
1986	31.4 °C17 January 1986	3.3 °C2 June 1986	18.4 °C	1,605 mm	13	0
1985	33.3 °C16 November 1985	2.3 °C8 June 1985	18.1 °C	1,280 mm	14	0
1984	33.4 °C5 February 1984	-0.8 °C27 August 1984	18.4 °C	1,296 mm	26	1
1983	30.7 °C11 March 1983	2.3 °C6 August 1983	18.1 °C	2,380 mm	2	0
1982	30.5 °C13 February 1982	2.8 °C31 July 1982	18.0 °C	1,703 mm	5	0
1981	31.1 °C15 February 1981	-0.4 °C19 June 1981	17.7 °C	1,398 mm	9	1
1980	31.0 °C14 December 1980	-0.5 °C28 June 1980	17.9 °C	1,712 mm	8	1
1979	32.5 °C7 February 1979	-2.3 °C1 June 1979	17.3 °C	1,401 mm	6	1
1978	32.8 °C25 January 1978	-1.9 °C15 August 1978	17.7 °C	1,291 mm	24	1
1977	32.4 °C28 February 1977	2.9 °C17 May 1977	18.7 °C	1,538 mm	18	0
1976	32.3 °C19 January 1976	3.4 °C11 July 1976	17.4 °C	1,976 mm	5	0
1975	32.4 °C13 February 1975	-5.1 °C18 July 1975	17.8 °C	1,374 mm	14	1
1974	32.4 °C19 November 1974	0.0 °C17 August 1974	17.6 °C	1,752 mm	3	0
1973	33.3 °C22 February 1973	2.5 °C13 May 1973	18.1 °C	1,540 mm	21	0
1972	32.1 °C29 November 1972	-0.3 °C9 July 1972	18.1 °C	1,525 mm	9	1
1971	33.8 °C26 January 1971	3.5 °C25 April 1971	17.7 °C	1,400 mm	20	0
1970	31.9 °C8 January 1970	4.9 °C9 August 1970	17.8 °C	1,457 mm	6	0
1969	32.0 °C5 January 1969	-0.9 °C11 July 1969	17.8 °C	1,227 mm	16	1
1968	32.6 °C6 November 1968	0.1 °C17 May 1968	16.9 °C	1,155 mm	13	0
1967	30.6 °C2 December 1967	-0.5 °C9 June 1967	17.9 °C	1,519 mm	2	1
1966	30.0 °C25 January 1966	0.4 °C6 August 1966	17.3 °C	1,666 mm	1	0
1965	30.1 °C3 September 1965	0.3 °C12 July 1965	17.2 °C	1,670 mm	1	0
1964	29.1 °C13 March 1964	3.4 °C6 June 1964	16.7 °C	1,474 mm	0	0
1963	32.9 °C14 October 1963	2.5 °C22 June 1963	17.9 °C	1,636 mm	15	0
1962	29.8 °C8 September 1962	0.1 °C18 July 1962	16.3 °C	1,494 mm	0	0
1961	33.8 °C27 September 1961	6.1 °C16 June 1961	18.3 °C	1,473 mm	14	0
1960	30.3 °C24 September 1960	2.7 °C9 July 1960	16.9 °C	1,489 mm	2	0
1959	31.4 °C10 September 1959	3.6 °C8 June 1959	18.0 °C	1,359 mm	6	0
1958	32.4 °C8 January 1958	5.0 °C24 June 1958	17.6 °C	1,691 mm	6	0
1957	30.6 °C18 October 1957	2.1 °C22 July 1957	17.3 °C	1,803 mm	3	0
1956	30.8 °C1 February 1956	3.9 °C19 May 1956	16.8 °C	1,486 mm	3	0
1955	30.7 °C19 February 1955	1.4 °C3 August 1955	17.1 °C	1,539 mm	5	0
1954	30.0 °C18 September 1954	3.5 °C21 June 1954	17.7 °C	1,365 mm	1	0
1953	30.0 °C21 August 1953	5.6 °C12 July 1953	17.8 °C	1,490 mm	1	0
1952	29.9 °C29 September 1952	3.8 °C19 June 1952	17.4 °C	1,261 mm	0	0
1951	30.8 °C26 September 1951	6.9 °C1 June 1951	17.2 °C	1,535 mm	2	0
1950	30.1 °C17 September 1950	2.4 °C12 July 1950	17.2 °C	1,815 mm	1	0
1949	29.3 °C17 March 1949	5.2 °C16 August 1949	17.1 °C	1,938 mm	0	0
1948	31.8 °C26 September 1948	4.1 °C15 June 1948	17.3 °C	1,646 mm	1	0
1947	30.8 °C7 January 1947	4.1 °C2 September 1947	16.9 °C	2,297 mm	3	0
1946	28.8 °C4 November 1946	2.3 °C4 June 1946	17.8 °C	2,278 mm	0	0
1945	29.5 °C28 September 1945	5.0 °C20 June 1945	17.5 °C	1,989 mm	0	0
1944	31.4 °C7 September 1944	6.7 °C26 May 1944	17.8 °C	1,532 mm	5	0
1943	30.5 °C17 January 1943	5.1 °C26 June 1943	17.0 °C	1,162 mm	4	0
1942	34.4 °C27 November 1942	0.8 °C18 June 1942	17.2 °C	1,266 mm	9	0
1941	29.2 °C9 January 1941	5.2 °C4 September 1941	17.5 °C	2,091 mm	0	0
1940	28.7 °C5 December 1940	6.5 °C28 August 1940	17.9 °C	1,894 mm	0	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

+0.4 °C

Hot days (≥ 30 °C)

25 d/yr

+11

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1468 mm

-135 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	26.5 °C	+0.6 °C	353 mm	+103 mm
Feb	28.1 °C	+2.1 °C	166 mm	-43 mm
Mar	26.7 °C	+1.5 °C	99 mm	-74 mm
Apr	22.8 °C	-0.5 °C	139 mm	+56 mm
May	21.7 °C	+0.8 °C	47 mm	-36 mm
Jun	19.3 °C	-0.5 °C	118 mm	+43 mm
Jul	18.3 °C	-1.3 °C	25 mm	-45 mm
Aug	20.5 °C	-0.7 °C	17 mm	-41 mm
Sep	23.0 °C	+0.8 °C	42 mm	-66 mm
Oct	22.2 °C	-0.8 °C	147 mm	-4 mm
Nov	24.2 °C	+0.1 °C	128 mm	-19 mm
Dec	27.4 °C	+2.4 °C	187 mm	-12 mm

The year's extremes

Hottest day

33.1 °C

26 Dec 2025

Coldest day

1.2 °C

25 Jun 2025

Wettest day

54.2 mm

9 Dec 2025

Windiest day

38.1 km/h

10 Dec 2025

Strongest gust

88.9 km/h

22 Sep 2025

Hottest feels-like

37.8 °C

28 Dec 2025

Coldest feels-like

-1.8 °C

25 Jun 2025

Sunniest day

13.5 h

10 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 Ribeirão Branco?

Ribeirão Branco has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 18.0 °C and it receives 1,603 mm of precipitation per year.

What is the hottest day ever recorded in Ribeirão Branco?

The hottest day measured in Ribeirão Branco between 1940 and 2025 was 1 October 2020, reaching 35.0 °C.

What is the coldest day in Ribeirão Branco?

The coldest day measured in Ribeirão Branco between 1940 and 2025 was 18 July 1975, at -5.1 °C.

Does it snow in Ribeirão Branco?

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

Has the climate of Ribeirão Branco warmed?

Yes: Ribeirão Branco warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Ribeirão Branco?

The wettest day measured in Ribeirão Branco between 1940 and 2025 was 19 January 1977, with 140 mm of rain in 24 hours.

What was the windiest day in Ribeirão Branco?

The windiest day measured in Ribeirão Branco between 1940 and 2025 was 10 December 2025, with winds reaching 38.1 km/h.

What is the warmest month in Ribeirão Branco?

The warmest month in Ribeirão Branco is February (21.2 °C on average); the coldest is July (14.3 °C).

How much does it rain in Ribeirão Branco?

Ribeirão Branco receives on average 1,603 mm of precipitation per year, spread over about 185 rainy days.

Is it sunny in Ribeirão Branco?

Ribeirão Branco gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.

Are there tropical nights in Ribeirão Branco?

Yes: Ribeirão Branco has on average 7 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Ribeirão Branco?

In Ribeirão Branco, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 20 January 2015, and the lowest was -9.4 °C on 18 July 1975.

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