Registro climate — normals and trends

Q: What is the climate of Registro?

Registro has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 21.9 °C and it receives 1,381 mm of precipitation per year.

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

The hottest day measured in Registro between 1940 and 2025 was 2 October 2020, reaching 41.6 °C.

Q: What is the coldest day in Registro?

The coldest day measured in Registro between 1940 and 2025 was 30 July 2021, at 2.5 °C.

Q: Does it snow in Registro?

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

Q: Has the climate of Registro warmed?

Yes: Registro warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Registro?

The wettest day measured in Registro between 1940 and 2025 was 4 February 1967, with 271 mm of rain in 24 hours.

Q: What was the windiest day in Registro?

The windiest day measured in Registro between 1940 and 2025 was 10 December 2025, with winds reaching 33.8 km/h.

Q: What is the warmest month in Registro?

The warmest month in Registro is January (25.5 °C on average); the coldest is July (18.0 °C).

Q: How much does it rain in Registro?

Registro receives on average 1,381 mm of precipitation per year, spread over about 182 rainy days.

Q: Is it sunny in Registro?

Registro gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.

Registro (Brazil) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 21.9 °C and it receives 1,381 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 (25.5 °C on average) and the coldest is July (18.0 °C). Rainfall peaks in January.

Registro averages 0 frost days, 81 hot days (≥ 30 °C) and 182 rainy days per year.

Registro has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.6 °C (on 2 October 2020) and the coldest 2.5 °C (on 30 July 2021).

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

RegistroSão Paulo

coords: -24.49°, -47.84°
period: 1940–2025 · 86 yrs

AmTropical monsoonWarmest monthJanuaryColdest monthJulyWettest monthJanuaryDriest monthAugust

Mean daily temperature

21.9°C

Average daily high

26.4°C

Average daily low

18.5°C

Annual rainfall

1,381mm

Sunshine / day

8.3h

Mean relative humidity

84%

Average peak wind

10.6km/h

Seasonal range

7.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

81 d/yr

Rainy days (≥ 1 mm)

182 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.9 °C

Average feels-like low

20.6 °C

Average peak gust

27.5 km/h

Tropical nights (≥ 20 °C)

140 d/yr

Solar radiation

14.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.8 °C

since 1940

+0.2 °C per decade · r² = 0.59 · 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

41.6 °C

2 October 2020

Coldest day

2.5 °C

30 July 2021

Wettest day

271 mm

4 February 1967

Windiest day

33.8 km/h

10 December 2025

Strongest gust

78.5 km/h

10 December 2025

Hottest feels-like

48.0 °C

4 February 2010

Coldest feels-like

0.0 °C

30 July 2021

Sunniest day

13.5 h

16 December 2024

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	39.6 °C26 December 2025	6.7 °C25 June 2025	22.2 °C	1,199 mm	95
2024	38.8 °C1 October 2024	6.3 °C27 August 2024	22.9 °C	1,469 mm	122
2023	40.8 °C12 November 2023	10.7 °C16 May 2023	22.8 °C	1,353 mm	125
2022	37.5 °C27 January 2022	7.6 °C13 June 2022	22.0 °C	1,518 mm	84
2021	37.2 °C23 November 2021	2.5 °C30 July 2021	21.8 °C	1,475 mm	81
2020	41.6 °C2 October 2020	7.9 °C28 May 2020	22.2 °C	1,281 mm	100
2019	38.9 °C30 January 2019	5.2 °C6 July 2019	22.9 °C	1,389 mm	116
2018	39.3 °C15 December 2018	7.9 °C13 July 2018	22.8 °C	1,054 mm	106
2017	38.4 °C17 December 2017	8.4 °C19 July 2017	22.8 °C	1,337 mm	106
2016	40.4 °C26 January 2016	5.6 °C13 June 2016	22.6 °C	1,234 mm	127
2015	41.4 °C17 January 2015	11.5 °C16 June 2015	23.4 °C	1,650 mm	115
2014	41.0 °C7 February 2014	9.2 °C1 July 2014	23.4 °C	951 mm	148
2013	39.1 °C27 December 2013	5.1 °C24 July 2013	22.5 °C	1,100 mm	107
2012	40.0 °C30 October 2012	8.2 °C14 July 2012	22.9 °C	1,097 mm	124
2011	39.4 °C23 December 2011	4.8 °C28 June 2011	21.8 °C	1,426 mm	88
2010	38.2 °C23 February 2010	7.7 °C8 June 2010	22.1 °C	1,480 mm	92
2009	39.2 °C19 November 2009	6.3 °C5 June 2009	22.5 °C	1,675 mm	102
2008	37.3 °C11 January 2008	5.8 °C17 June 2008	22.1 °C	1,306 mm	88
2007	39.2 °C1 November 2007	6.4 °C27 July 2007	22.7 °C	1,171 mm	134
2006	39.7 °C15 September 2006	7.5 °C6 September 2006	22.6 °C	1,079 mm	117
2005	38.1 °C29 August 2005	9.5 °C26 July 2005	22.6 °C	1,340 mm	95
2004	38.4 °C22 September 2004	5.6 °C14 June 2004	21.9 °C	1,493 mm	71
2003	39.6 °C16 December 2003	7.4 °C18 August 2003	22.5 °C	1,256 mm	113
2002	39.5 °C7 October 2002	6.9 °C3 September 2002	23.1 °C	1,185 mm	132
2001	37.5 °C8 January 2001	6.7 °C21 June 2001	22.8 °C	1,233 mm	109
2000	36.8 °C11 January 2000	4.3 °C17 July 2000	21.9 °C	1,358 mm	93
1999	37.3 °C7 September 1999	9.2 °C18 April 1999	21.8 °C	1,331 mm	80
1998	38.3 °C4 February 1998	11.1 °C2 June 1998	22.3 °C	1,469 mm	97
1997	38.5 °C27 December 1997	8.7 °C9 June 1997	22.4 °C	1,622 mm	103
1996	37.1 °C26 January 1996	7.9 °C2 August 1996	21.8 °C	1,497 mm	83
1995	37.9 °C10 November 1995	10.3 °C24 July 1995	22.2 °C	1,718 mm	107
1994	38.3 °C4 December 1994	4.8 °C26 June 1994	22.6 °C	1,182 mm	116
1993	38.9 °C8 January 1993	6.2 °C1 August 1993	22.2 °C	1,476 mm	99
1992	38.1 °C22 February 1992	8.9 °C26 August 1992	22.2 °C	1,100 mm	102
1991	38.3 °C16 October 1991	6.5 °C24 July 1991	22.1 °C	1,310 mm	85
1990	37.2 °C18 December 1990	3.5 °C29 July 1990	22.1 °C	1,238 mm	127
1989	36.0 °C24 November 1989	8.5 °C7 August 1989	21.6 °C	1,314 mm	65
1988	38.7 °C19 January 1988	4.9 °C6 June 1988	21.6 °C	1,403 mm	80
1987	37.6 °C7 January 1987	7.5 °C27 June 1987	22.0 °C	1,224 mm	108
1986	38.7 °C17 January 1986	9.0 °C2 June 1986	22.6 °C	1,298 mm	99
1985	37.4 °C23 November 1985	7.4 °C7 June 1985	22.1 °C	1,056 mm	90
1984	38.9 °C5 February 1984	5.4 °C27 August 1984	22.4 °C	948 mm	107
1983	36.9 °C25 February 1983	6.6 °C16 June 1983	22.0 °C	1,996 mm	79
1982	38.7 °C3 November 1982	10.1 °C21 August 1982	22.1 °C	1,345 mm	64
1981	36.7 °C19 September 1981	5.0 °C19 June 1981	21.7 °C	1,570 mm	66
1980	37.2 °C18 December 1980	5.1 °C28 June 1980	22.2 °C	1,308 mm	97
1979	39.3 °C7 February 1979	3.9 °C1 June 1979	21.5 °C	1,153 mm	76
1978	38.8 °C2 February 1978	4.1 °C2 June 1978	21.9 °C	1,171 mm	86
1977	37.4 °C28 February 1977	8.3 °C17 May 1977	22.7 °C	1,377 mm	106
1976	38.5 °C19 January 1976	8.0 °C15 August 1976	21.6 °C	1,778 mm	80
1975	38.8 °C16 November 1975	3.4 °C18 July 1975	21.8 °C	1,234 mm	90
1974	38.8 °C19 November 1974	5.8 °C17 August 1974	21.6 °C	1,395 mm	85
1973	38.6 °C10 February 1973	6.8 °C20 June 1973	22.0 °C	1,767 mm	85
1972	37.6 °C29 November 1972	6.5 °C11 July 1972	22.2 °C	1,187 mm	95
1971	39.3 °C26 January 1971	8.8 °C7 July 1971	21.7 °C	1,268 mm	84
1970	37.9 °C28 December 1970	8.1 °C2 September 1970	21.9 °C	1,033 mm	74
1969	39.1 °C8 January 1969	4.7 °C11 July 1969	21.8 °C	990 mm	78
1968	38.5 °C15 December 1968	5.0 °C17 May 1968	21.0 °C	1,043 mm	74
1967	36.2 °C2 December 1967	6.2 °C10 June 1967	21.8 °C	1,747 mm	64
1966	35.7 °C21 January 1966	5.7 °C7 August 1966	21.1 °C	1,689 mm	53
1965	35.3 °C10 September 1965	6.9 °C13 July 1965	21.2 °C	1,565 mm	44
1964	34.4 °C8 January 1964	8.7 °C28 July 1964	20.6 °C	1,327 mm	33
1963	35.5 °C4 September 1963	7.8 °C20 June 1963	21.3 °C	1,749 mm	49
1962	34.8 °C29 November 1962	7.1 °C18 July 1962	20.3 °C	1,516 mm	28
1961	37.5 °C4 September 1961	11.8 °C17 June 1961	22.1 °C	1,297 mm	65
1960	34.1 °C25 September 1960	8.9 °C10 July 1960	20.9 °C	1,428 mm	29
1959	35.4 °C9 September 1959	8.0 °C8 June 1959	21.9 °C	1,034 mm	64
1958	36.8 °C15 November 1958	10.1 °C25 June 1958	21.5 °C	1,831 mm	63
1957	35.3 °C30 December 1957	6.7 °C4 August 1957	21.1 °C	1,412 mm	39
1956	36.4 °C7 January 1956	9.9 °C13 August 1956	20.7 °C	1,199 mm	55
1955	35.5 °C30 November 1955	7.8 °C31 July 1955	20.8 °C	1,283 mm	59
1954	36.2 °C12 January 1954	9.5 °C6 July 1954	21.5 °C	1,249 mm	41
1953	36.2 °C13 January 1953	9.6 °C27 July 1953	21.8 °C	1,337 mm	64
1952	35.6 °C31 January 1952	9.0 °C17 July 1952	21.2 °C	1,118 mm	45
1951	36.0 °C12 November 1951	10.8 °C16 July 1951	20.9 °C	1,410 mm	47
1950	34.4 °C16 September 1950	8.0 °C12 July 1950	21.0 °C	1,416 mm	38
1949	34.4 °C6 January 1949	11.0 °C20 July 1949	20.8 °C	1,752 mm	25
1948	37.4 °C26 September 1948	9.5 °C15 June 1948	21.0 °C	1,296 mm	52
1947	35.0 °C8 January 1947	7.5 °C2 September 1947	20.8 °C	1,896 mm	33
1946	33.2 °C18 February 1946	7.8 °C4 June 1946	21.6 °C	1,877 mm	40
1945	33.7 °C28 September 1945	9.4 °C25 June 1945	21.5 °C	1,954 mm	26
1944	35.6 °C6 September 1944	11.4 °C23 August 1944	21.5 °C	1,302 mm	36
1943	37.3 °C2 January 1943	11.1 °C26 June 1943	21.1 °C	1,180 mm	63
1942	41.4 °C27 November 1942	6.2 °C19 June 1942	20.9 °C	1,174 mm	65
1941	34.5 °C8 January 1941	10.0 °C4 September 1941	21.5 °C	2,150 mm	38
1940	33.1 °C11 December 1940	9.0 °C19 August 1940	21.7 °C	1,632 mm	28

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

26.9 °C

+0.5 °C

Hot days (≥ 30 °C)

95 d/yr

+14

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1199 mm

-182 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	30.3 °C	+0.2 °C	212 mm	+5 mm
Feb	32.1 °C	+2.2 °C	151 mm	-43 mm
Mar	30.4 °C	+1.5 °C	77 mm	-85 mm
Apr	26.7 °C	-0.2 °C	142 mm	+47 mm
May	25.8 °C	+1.3 °C	34 mm	-49 mm
Jun	22.7 °C	-0.5 °C	122 mm	+56 mm
Jul	21.4 °C	-1.3 °C	38 mm	-24 mm
Aug	22.7 °C	-1.1 °C	45 mm	-10 mm
Sep	25.5 °C	+0.7 °C	33 mm	-55 mm
Oct	25.4 °C	-0.5 °C	106 mm	-1 mm
Nov	27.5 °C	0.0 °C	103 mm	-5 mm
Dec	32.4 °C	+3.3 °C	136 mm	-17 mm

The year's extremes

Hottest day

39.6 °C

26 Dec 2025

Coldest day

6.7 °C

25 Jun 2025

Wettest day

40.6 mm

13 Dec 2025

Windiest day

33.8 km/h

10 Dec 2025

Strongest gust

78.5 km/h

10 Dec 2025

Hottest feels-like

45.6 °C

25 Dec 2025

Coldest feels-like

4.9 °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 Registro?

Registro has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 21.9 °C and it receives 1,381 mm of precipitation per year.

What is the hottest day ever recorded in Registro?

The hottest day measured in Registro between 1940 and 2025 was 2 October 2020, reaching 41.6 °C.

What is the coldest day in Registro?

The coldest day measured in Registro between 1940 and 2025 was 30 July 2021, at 2.5 °C.

Does it snow in Registro?

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

Has the climate of Registro warmed?

Yes: Registro warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Registro?

The wettest day measured in Registro between 1940 and 2025 was 4 February 1967, with 271 mm of rain in 24 hours.

What was the windiest day in Registro?

The windiest day measured in Registro between 1940 and 2025 was 10 December 2025, with winds reaching 33.8 km/h.

What is the warmest month in Registro?

The warmest month in Registro is January (25.5 °C on average); the coldest is July (18.0 °C).

How much does it rain in Registro?

Registro receives on average 1,381 mm of precipitation per year, spread over about 182 rainy days.

Is it sunny in Registro?

Registro gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.

Are there tropical nights in Registro?

Yes: Registro has on average 140 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Registro?

In Registro, between 1940 and 2025, the highest apparent temperature reached 48.0 °C on 4 February 2010, and the lowest was 0.0 °C on 30 July 2021.

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