Franco da Rocha climate — normals and trends

Q: What is the climate of Franco da Rocha?

Franco da Rocha has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.4 °C and it receives 1,569 mm of precipitation per year.

Q: What is the hottest day ever recorded in Franco da Rocha?

The hottest day measured in Franco da Rocha between 1940 and 2025 was 7 October 2020, reaching 36.8 °C.

Q: What is the coldest day in Franco da Rocha?

The coldest day measured in Franco da Rocha between 1940 and 2025 was 1 June 1979, at -0.2 °C.

Q: Does it snow in Franco da Rocha?

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

Q: Has the climate of Franco da Rocha warmed?

Yes: Franco da Rocha warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Franco da Rocha?

The wettest day measured in Franco da Rocha between 1940 and 2025 was 19 January 1977, with 168 mm of rain in 24 hours.

Q: What was the windiest day in Franco da Rocha?

The windiest day measured in Franco da Rocha between 1940 and 2025 was 8 September 1978, with winds reaching 41.3 km/h.

Q: What is the warmest month in Franco da Rocha?

The warmest month in Franco da Rocha is February (22.1 °C on average); the coldest is July (15.9 °C).

Q: How much does it rain in Franco da Rocha?

Franco da Rocha receives on average 1,569 mm of precipitation per year, spread over about 163 rainy days.

Q: Is it sunny in Franco da Rocha?

Franco da Rocha gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.

Franco da Rocha (Brazil) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.4 °C and it receives 1,569 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 (22.1 °C on average) and the coldest is July (15.9 °C). Rainfall peaks in January.

Franco da Rocha averages 0 frost days, 24 hot days (≥ 30 °C) and 163 rainy days per year.

Franco da Rocha has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.8 °C (on 7 October 2020) and the coldest -0.2 °C (on 1 June 1979).

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

Franco da RochaSão Paulo

coords: -23.32°, -46.73°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthFebruaryColdest monthJulyWettest monthJanuaryDriest monthAugust

Mean daily temperature

19.4°C

Average daily high

24.6°C

Average daily low

15.2°C

Annual rainfall

1,569mm

Sunshine / day

9.5h

Mean relative humidity

80%

Average peak wind

15.3km/h

Seasonal range

6.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

24 d/yr

Rainy days (≥ 1 mm)

163 d/yr

Annual snowfall

0.0 cm

Average feels-like high

26.0 °C

Average feels-like low

15.3 °C

Average peak gust

34.3 km/h

Tropical nights (≥ 20 °C)

15 d/yr

Solar radiation

17.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.61 · 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

36.8 °C

7 October 2020

Coldest day

-0.2 °C

1 June 1979

Wettest day

168 mm

19 January 1977

Windiest day

41.3 km/h

8 September 1978

Strongest gust

90.7 km/h

7 June 2011

Hottest feels-like

39.7 °C

19 January 2015

Coldest feels-like

-3.7 °C

1 June 1979

Sunniest day

13.4 h

24 December 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	34.2 °C26 December 2025	2.7 °C25 June 2025	19.7 °C	1,139 mm	60	0
2024	34.7 °C2 October 2024	3.7 °C27 August 2024	20.6 °C	1,357 mm	72	0
2023	35.8 °C24 September 2023	6.9 °C17 June 2023	20.4 °C	1,344 mm	59	0
2022	32.4 °C9 September 2022	3.5 °C20 May 2022	19.2 °C	1,586 mm	37	0
2021	34.1 °C20 September 2021	1.1 °C30 July 2021	19.5 °C	1,149 mm	44	0
2020	36.8 °C7 October 2020	4.6 °C27 May 2020	19.8 °C	1,247 mm	49	0
2019	35.4 °C4 November 2019	4.4 °C7 July 2019	20.6 °C	1,291 mm	69	0
2018	33.9 °C18 December 2018	6.6 °C21 May 2018	20.3 °C	1,143 mm	44	0
2017	33.8 °C12 October 2017	5.8 °C5 July 2017	20.4 °C	1,318 mm	56	0
2016	34.5 °C19 October 2016	2.3 °C13 June 2016	20.3 °C	1,495 mm	63	0
2015	35.1 °C20 January 2015	8.9 °C27 June 2015	21.0 °C	1,712 mm	64	0
2014	35.7 °C19 October 2014	7.0 °C7 August 2014	20.8 °C	1,024 mm	79	0
2013	34.6 °C27 December 2013	5.7 °C24 July 2013	19.6 °C	1,488 mm	41	0
2012	34.9 °C31 October 2012	6.3 °C14 July 2012	20.1 °C	1,482 mm	52	0
2011	33.3 °C30 September 2011	3.8 °C5 August 2011	19.6 °C	1,477 mm	38	0
2010	32.3 °C6 February 2010	6.0 °C8 June 2010	19.9 °C	1,443 mm	55	0
2009	32.6 °C6 March 2009	4.4 °C4 June 2009	20.0 °C	1,843 mm	31	0
2008	32.9 °C15 October 2008	6.4 °C17 July 2008	19.4 °C	1,542 mm	19	0
2007	33.8 °C21 October 2007	5.1 °C5 June 2007	20.1 °C	1,417 mm	48	0
2006	33.4 °C15 September 2006	5.2 °C6 September 2006	19.8 °C	1,302 mm	29	0
2005	32.5 °C14 October 2005	7.8 °C26 July 2005	20.0 °C	1,360 mm	20	0
2004	32.6 °C26 September 2004	6.1 °C24 July 2004	19.2 °C	1,515 mm	15	0
2003	33.1 °C24 September 2003	5.8 °C18 August 2003	19.9 °C	1,293 mm	38	0
2002	34.1 °C16 October 2002	3.5 °C3 September 2002	20.5 °C	1,279 mm	42	0
2001	31.3 °C7 January 2001	5.6 °C29 July 2001	19.9 °C	1,373 mm	20	0
2000	32.8 °C13 October 2000	1.3 °C18 July 2000	19.5 °C	1,556 mm	24	0
1999	32.8 °C7 September 1999	6.0 °C19 April 1999	19.3 °C	1,631 mm	26	0
1998	32.1 °C4 February 1998	5.5 °C9 June 1998	19.8 °C	1,622 mm	26	0
1997	33.1 °C9 September 1997	4.6 °C9 June 1997	19.8 °C	1,671 mm	32	0
1996	32.1 °C30 January 1996	5.5 °C2 August 1996	19.3 °C	1,930 mm	19	0
1995	32.4 °C25 February 1995	8.2 °C6 June 1995	19.7 °C	1,837 mm	36	0
1994	33.2 °C23 September 1994	1.3 °C27 June 1994	20.1 °C	1,501 mm	38	0
1993	32.4 °C2 January 1993	3.7 °C1 August 1993	19.8 °C	1,609 mm	24	0
1992	30.9 °C29 January 1992	6.6 °C26 August 1992	19.5 °C	1,582 mm	4	0
1991	31.3 °C15 October 1991	5.5 °C2 August 1991	19.4 °C	1,825 mm	7	0
1990	32.2 °C11 October 1990	2.4 °C23 June 1990	19.6 °C	1,514 mm	29	0
1989	31.3 °C31 January 1989	4.6 °C20 July 1989	19.0 °C	1,602 mm	8	0
1988	34.3 °C26 September 1988	0.1 °C6 June 1988	19.3 °C	1,652 mm	26	0
1987	32.0 °C23 February 1987	2.9 °C9 August 1987	19.6 °C	1,524 mm	23	0
1986	32.2 °C7 October 1986	5.4 °C13 July 1986	19.8 °C	1,688 mm	21	0
1985	34.2 °C17 November 1985	3.3 °C8 June 1985	19.4 °C	1,304 mm	21	0
1984	32.9 °C4 February 1984	3.1 °C27 August 1984	19.9 °C	1,253 mm	39	0
1983	31.3 °C17 February 1983	4.7 °C6 August 1983	19.6 °C	2,374 mm	6	0
1982	31.5 °C13 February 1982	7.7 °C31 July 1982	19.3 °C	2,008 mm	8	0
1981	31.3 °C20 September 1981	0.9 °C20 June 1981	19.0 °C	1,567 mm	9	0
1980	31.5 °C27 October 1980	5.5 °C23 September 1980	19.5 °C	1,532 mm	9	0
1979	31.2 °C7 February 1979	-0.2 °C1 June 1979	18.8 °C	1,482 mm	14	1
1978	32.5 °C25 January 1978	2.8 °C2 June 1978	19.2 °C	1,388 mm	22	0
1977	31.8 °C9 February 1977	6.9 °C17 May 1977	20.0 °C	1,619 mm	21	0
1976	31.8 °C19 January 1976	5.1 °C16 August 1976	18.8 °C	2,281 mm	8	0
1975	32.0 °C10 September 1975	2.5 °C18 July 1975	19.2 °C	1,527 mm	24	0
1974	32.4 °C19 November 1974	5.0 °C17 August 1974	19.0 °C	1,616 mm	16	0
1973	33.0 °C22 February 1973	5.0 °C22 June 1973	19.5 °C	1,557 mm	21	0
1972	32.1 °C26 October 1972	4.3 °C9 July 1972	19.3 °C	1,838 mm	7	0
1971	33.1 °C25 January 1971	4.5 °C7 July 1971	19.0 °C	1,266 mm	29	0
1970	31.2 °C8 December 1970	6.3 °C13 August 1970	19.2 °C	1,257 mm	10	0
1969	32.3 °C30 January 1969	2.5 °C11 July 1969	19.4 °C	1,116 mm	13	0
1968	32.7 °C15 December 1968	3.2 °C18 May 1968	18.4 °C	1,123 mm	14	0
1967	30.9 °C2 December 1967	5.0 °C9 June 1967	19.4 °C	1,431 mm	9	0
1966	31.6 °C14 September 1966	4.9 °C7 August 1966	18.7 °C	1,724 mm	6	0
1965	31.8 °C19 September 1965	3.0 °C12 July 1965	18.5 °C	1,810 mm	6	0
1964	29.1 °C1 September 1964	5.8 °C29 July 1964	18.0 °C	1,776 mm	0	0
1963	35.2 °C17 October 1963	4.8 °C21 June 1963	19.5 °C	1,263 mm	43	0
1962	29.9 °C8 September 1962	4.2 °C7 July 1962	17.7 °C	1,925 mm	0	0
1961	36.3 °C28 September 1961	9.1 °C17 June 1961	19.8 °C	1,355 mm	40	0
1960	33.6 °C24 September 1960	4.9 °C15 July 1960	18.3 °C	1,702 mm	7	0
1959	31.1 °C7 September 1959	4.2 °C8 June 1959	19.3 °C	1,470 mm	13	0
1958	31.3 °C8 January 1958	4.0 °C23 June 1958	18.9 °C	1,694 mm	14	0
1957	31.8 °C19 October 1957	3.5 °C22 July 1957	18.5 °C	1,767 mm	2	0
1956	31.6 °C1 February 1956	6.2 °C6 June 1956	18.0 °C	1,309 mm	14	0
1955	34.0 °C1 October 1955	5.1 °C25 May 1955	18.5 °C	1,408 mm	11	0
1954	32.6 °C19 September 1954	5.8 °C22 June 1954	18.9 °C	1,793 mm	9	0
1953	30.9 °C21 August 1953	7.8 °C13 July 1953	19.0 °C	1,519 mm	2	0
1952	31.7 °C30 September 1952	4.7 °C17 July 1952	18.6 °C	1,401 mm	6	0
1951	31.1 °C26 September 1951	6.7 °C4 June 1951	18.6 °C	1,374 mm	6	0
1950	31.8 °C17 September 1950	6.3 °C15 July 1950	18.4 °C	1,952 mm	4	0
1949	29.7 °C13 October 1949	7.3 °C28 August 1949	18.2 °C	2,097 mm	0	0
1948	33.7 °C26 September 1948	7.0 °C6 June 1948	18.8 °C	1,474 mm	11	0
1947	30.9 °C8 January 1947	4.0 °C4 August 1947	18.1 °C	2,045 mm	7	0
1946	29.0 °C22 December 1946	5.6 °C17 June 1946	18.9 °C	2,273 mm	0	0
1945	29.8 °C28 September 1945	7.7 °C16 July 1945	18.7 °C	2,494 mm	0	0
1944	33.0 °C7 September 1944	6.4 °C15 July 1944	19.0 °C	1,568 mm	12	0
1943	29.4 °C17 January 1943	6.7 °C6 September 1943	17.9 °C	1,285 mm	0	0
1942	34.5 °C27 November 1942	2.8 °C24 June 1942	18.4 °C	1,120 mm	18	0
1941	29.6 °C11 January 1941	6.9 °C4 September 1941	18.8 °C	2,474 mm	0	0
1940	30.7 °C23 August 1940	8.5 °C19 August 1940	19.1 °C	1,939 mm	4	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

25.4 °C

+0.8 °C

Hot days (≥ 30 °C)

60 d/yr

+36

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1139 mm

-430 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	27.7 °C	+0.9 °C	249 mm	-1 mm
Feb	29.7 °C	+2.7 °C	114 mm	-92 mm
Mar	28.6 °C	+2.2 °C	97 mm	-74 mm
Apr	24.8 °C	+0.1 °C	132 mm	+48 mm
May	23.8 °C	+1.3 °C	19 mm	-54 mm
Jun	21.8 °C	+0.2 °C	56 mm	+3 mm
Jul	20.8 °C	-0.8 °C	6 mm	-42 mm
Aug	23.6 °C	+0.2 °C	27 mm	-17 mm
Sep	25.7 °C	+1.0 °C	25 mm	-66 mm
Oct	24.8 °C	-0.2 °C	136 mm	-17 mm
Nov	25.7 °C	+0.3 °C	94 mm	-75 mm
Dec	28.5 °C	+2.5 °C	185 mm	-44 mm

The year's extremes

Hottest day

34.2 °C

26 Dec 2025

Coldest day

2.7 °C

25 Jun 2025

Wettest day

41.1 mm

9 Dec 2025

Windiest day

40.8 km/h

10 Dec 2025

Strongest gust

90.7 km/h

22 Sep 2025

Hottest feels-like

38.6 °C

28 Dec 2025

Coldest feels-like

-0.4 °C

25 Jun 2025

Sunniest day

13.4 h

24 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 Franco da Rocha?

Franco da Rocha has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.4 °C and it receives 1,569 mm of precipitation per year.

What is the hottest day ever recorded in Franco da Rocha?

The hottest day measured in Franco da Rocha between 1940 and 2025 was 7 October 2020, reaching 36.8 °C.

What is the coldest day in Franco da Rocha?

The coldest day measured in Franco da Rocha between 1940 and 2025 was 1 June 1979, at -0.2 °C.

Does it snow in Franco da Rocha?

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

Has the climate of Franco da Rocha warmed?

Yes: Franco da Rocha warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Franco da Rocha?

The wettest day measured in Franco da Rocha between 1940 and 2025 was 19 January 1977, with 168 mm of rain in 24 hours.

What was the windiest day in Franco da Rocha?

The windiest day measured in Franco da Rocha between 1940 and 2025 was 8 September 1978, with winds reaching 41.3 km/h.

What is the warmest month in Franco da Rocha?

The warmest month in Franco da Rocha is February (22.1 °C on average); the coldest is July (15.9 °C).

How much does it rain in Franco da Rocha?

Franco da Rocha receives on average 1,569 mm of precipitation per year, spread over about 163 rainy days.

Is it sunny in Franco da Rocha?

Franco da Rocha gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.

Are there tropical nights in Franco da Rocha?

Yes: Franco da Rocha has on average 15 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Franco da Rocha?

In Franco da Rocha, between 1940 and 2025, the highest apparent temperature reached 39.7 °C on 19 January 2015, and the lowest was -3.7 °C on 1 June 1979.

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