Porto Calvo climate — normals and trends

Porto Calvo (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.0 °C and it receives 968 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 (26.3 °C on average) and the coldest is July (23.1 °C). Rainfall peaks in June.

Porto Calvo averages 0 frost days, 113 hot days (≥ 30 °C) and 245 rainy days per year.

Porto Calvo has warmed by +1.1 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.0 °C (on 27 February 2008) and the coldest 15.9 °C (on 1 August 1986).

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

Porto CalvoAlagoas

coords
-9.04°, -35.40°
period
19402025 · 86 yrs
AwTropical savannaWarmest monthJanuaryColdest monthJulyWettest monthJuneDriest monthNovember

Mean daily temperature

25.0°C

Average daily high

28.7°C

Average daily low

22.1°C

Annual rainfall

968mm

Sunshine / day

11.0h

Mean relative humidity

80%

Average peak wind

14.6km/h

Seasonal range

3.2°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

113 d/yr

Rainy days (≥ 1 mm)

245 d/yr

Annual snowfall

0.0 cm

Average feels-like high

32.4 °C

Average feels-like low

25.5 °C

Average peak gust

34.1 km/h

Tropical nights (≥ 20 °C)

344 d/yr

Solar radiation

18.9 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.61 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

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

36.0 °C

27 February 2008

Coldest day

15.9 °C

1 August 1986

Wettest day

113 mm

29 April 2011

Windiest day

24.7 km/h

23 July 1975

Strongest gust

52.9 km/h

19 July 1985

Hottest feels-like

41.9 °C

22 March 2020

Coldest feels-like

16.6 °C

1 August 1986

Sunniest day

12.5 h

29 December 2025

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202533.2 °C29 December 202518.4 °C23 August 202525.3 °C1,054 mm1520
202435.0 °C23 January 202418.1 °C10 August 202425.9 °C1,070 mm1810
202332.6 °C19 April 202319.1 °C4 August 202325.4 °C1,053 mm1560
202233.3 °C10 February 202218.7 °C8 September 202225.2 °C1,452 mm1340
202133.6 °C4 November 202119.2 °C29 June 202125.5 °C929 mm1470
202035.5 °C6 March 202017.6 °C27 August 202025.6 °C1,014 mm1610
201935.4 °C20 March 201918.3 °C17 July 201925.6 °C843 mm1390
201832.8 °C12 March 201818.3 °C14 July 201825.3 °C803 mm910
201733.2 °C9 December 201719.6 °C15 August 201725.3 °C1,192 mm1150
201634.4 °C4 January 201618.1 °C19 September 201625.6 °C683 mm1250
201534.8 °C26 November 201518.6 °C4 August 201525.5 °C697 mm1560
201432.8 °C25 April 201418.2 °C31 July 201425.1 °C932 mm1130
201334.1 °C7 April 201319.0 °C31 July 201325.4 °C909 mm1240
201232.4 °C28 April 201217.5 °C6 August 201225.0 °C610 mm1270
201133.9 °C17 March 201117.2 °C3 August 201125.1 °C1,358 mm1160
201034.4 °C7 March 201018.4 °C6 October 201025.4 °C886 mm1480
200933.4 °C13 December 200917.6 °C24 September 200925.5 °C1,166 mm1600
200836.0 °C27 February 200818.9 °C18 August 200825.1 °C996 mm1390
200733.9 °C12 February 200717.8 °C19 July 200724.8 °C935 mm1040
200633.7 °C24 February 200618.5 °C20 August 200625.2 °C954 mm1310
200534.6 °C26 January 200518.6 °C27 August 200525.3 °C912 mm1420
200434.1 °C20 November 200419.3 °C12 July 200425.4 °C1,234 mm1230
200334.1 °C13 January 200319.4 °C24 September 200325.4 °C889 mm1300
200233.5 °C25 December 200218.6 °C6 August 200225.0 °C1,004 mm780
200132.3 °C2 February 200119.5 °C16 August 200125.2 °C790 mm980
200034.0 °C3 February 200019.1 °C4 September 200024.9 °C1,410 mm640
199932.4 °C17 December 199918.2 °C9 July 199925.1 °C693 mm1010
199833.6 °C15 March 199819.5 °C6 August 199825.8 °C679 mm1550
199732.7 °C11 December 199718.7 °C19 September 199725.1 °C951 mm1030
199633.0 °C25 November 199617.9 °C11 August 199625.2 °C1,264 mm1090
199534.0 °C24 January 199518.8 °C3 August 199525.2 °C904 mm1130
199435.1 °C12 March 199419.1 °C23 August 199425.3 °C890 mm1080
199333.5 °C7 October 199318.0 °C26 July 199325.4 °C612 mm1300
199233.0 °C9 January 199218.7 °C24 August 199224.9 °C960 mm480
199133.1 °C14 February 199117.9 °C11 August 199125.0 °C840 mm1200
199033.0 °C11 March 199018.7 °C11 June 199025.2 °C762 mm1040
198933.6 °C11 March 198918.6 °C13 August 198925.2 °C1,205 mm1170
198834.4 °C2 January 198818.8 °C22 August 198825.2 °C1,058 mm1230
198733.0 °C4 November 198717.8 °C31 July 198725.4 °C775 mm1210
198633.2 °C15 February 198615.9 °C1 August 198624.8 °C1,331 mm630
198534.8 °C28 January 198519.3 °C21 August 198525.1 °C1,362 mm1090
198434.2 °C5 April 198418.7 °C15 September 198425.3 °C868 mm1350
198333.6 °C20 January 198318.3 °C26 June 198325.2 °C721 mm1310
198232.7 °C20 March 198218.1 °C13 July 198224.8 °C964 mm730
198133.8 °C11 March 198117.1 °C14 August 198124.6 °C1,072 mm590
198033.5 °C4 February 198018.4 °C18 July 198024.8 °C878 mm860
197933.6 °C27 March 197918.6 °C26 July 197925.0 °C710 mm1180
197832.8 °C9 January 197818.2 °C13 August 197824.8 °C1,167 mm940
197733.0 °C24 December 197719.0 °C27 August 197725.1 °C1,120 mm1040
197632.3 °C25 December 197618.0 °C5 July 197624.8 °C899 mm880
197534.0 °C12 February 197518.4 °C16 September 197525.0 °C1,235 mm1280
197435.0 °C1 January 197417.9 °C6 August 197424.9 °C1,453 mm1010
197334.5 °C10 March 197319.1 °C30 July 197325.7 °C1,083 mm1530
197234.1 °C13 December 197219.1 °C26 July 197225.4 °C927 mm1310
197132.3 °C17 December 197118.8 °C22 August 197124.9 °C1,113 mm1010
197032.9 °C1 December 197018.5 °C13 July 197024.7 °C1,086 mm780
196934.4 °C8 February 196917.3 °C29 August 196925.0 °C1,087 mm980
196833.7 °C6 December 196817.6 °C15 September 196824.4 °C1,070 mm590
196735.4 °C15 February 196717.8 °C22 July 196724.6 °C1,132 mm810
196634.0 °C9 April 196618.9 °C21 August 196624.6 °C1,108 mm870
196534.0 °C6 January 196517.3 °C5 September 196524.6 °C825 mm1070
196433.9 °C27 December 196418.8 °C18 October 196424.4 °C1,283 mm980
196335.0 °C13 December 196317.5 °C30 August 196324.8 °C867 mm1490
196235.6 °C25 February 196218.5 °C30 August 196225.1 °C738 mm1610
196133.1 °C8 January 196118.3 °C11 September 196124.6 °C836 mm1050
196034.8 °C5 February 196018.4 °C20 September 196024.6 °C1,010 mm1060
195933.8 °C11 December 195918.0 °C8 August 195924.7 °C861 mm1130
195834.8 °C9 February 195819.1 °C19 August 195824.8 °C754 mm1160
195733.7 °C28 November 195718.2 °C18 August 195724.5 °C978 mm860
195634.7 °C29 November 195618.2 °C25 July 195624.6 °C754 mm1050
195534.1 °C19 December 195516.9 °C15 September 195524.3 °C912 mm830
195434.1 °C2 April 195418.5 °C8 August 195424.3 °C895 mm1200
195333.8 °C15 December 195319.0 °C23 August 195324.7 °C793 mm1210
195234.4 °C22 November 195218.4 °C17 June 195224.8 °C717 mm1290
195134.4 °C13 December 195118.7 °C15 September 195124.3 °C955 mm840
195034.1 °C13 January 195018.5 °C18 September 195024.6 °C824 mm1200
194933.5 °C1 February 194918.6 °C25 September 194924.6 °C1,000 mm1210
194834.1 °C28 December 194818.5 °C12 September 194824.7 °C987 mm1230
194733.4 °C18 March 194718.4 °C2 September 194724.8 °C908 mm1200
194633.2 °C11 November 194617.9 °C6 August 194624.8 °C702 mm1240
194533.4 °C20 December 194518.0 °C30 August 194524.4 °C981 mm890
194432.6 °C6 February 194417.8 °C30 September 194424.3 °C1,314 mm860
194332.2 °C26 January 194318.1 °C18 September 194324.0 °C969 mm480
194233.3 °C5 January 194218.5 °C17 August 194224.4 °C866 mm850
194134.8 °C4 December 194117.6 °C8 September 194124.9 °C743 mm1200
194034.5 °C24 February 194018.3 °C24 August 194024.6 °C993 mm1110

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?

Across the whole year

Average daily high
29.0 °C
+0.3 °C
Hot days (≥ 30 °C)
152 d/yr
+39
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
1054 mm
+86 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan31.3 °C+0.8 °C67 mm+8 mm
Feb30.1 °C-0.4 °C79 mm+12 mm
Mar30.7 °C+0.4 °C60 mm-39 mm
Apr31.0 °C+1.6 °C56 mm-50 mm
May28.8 °C+0.7 °C143 mm+24 mm
Jun26.7 °C-0.2 °C165 mm+34 mm
Jul26.2 °C0.0 °C144 mm+21 mm
Aug26.6 °C+0.2 °C158 mm+71 mm
Sep27.1 °C-0.2 °C81 mm+18 mm
Oct28.4 °C-0.4 °C54 mm+11 mm
Nov30.7 °C+0.7 °C16 mm-15 mm
Dec30.5 °C0.0 °C31 mm-8 mm

The year's extremes

Hottest day
33.2 °C
29 Dec 2025
Coldest day
18.4 °C
23 Aug 2025
Wettest day
31.8 mm
28 Jul 2025
Windiest day
19.4 km/h
7 Sep 2025
Strongest gust
45.7 km/h
4 Sep 2025
Hottest feels-like
38.7 °C
21 Mar 2025
Coldest feels-like
19.9 °C
23 Aug 2025
Sunniest day
12.5 h
29 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 Porto Calvo?

Porto Calvo has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.0 °C and it receives 968 mm of precipitation per year.

What is the hottest day ever recorded in Porto Calvo?

The hottest day measured in Porto Calvo between 1940 and 2025 was 27 February 2008, reaching 36.0 °C.

What is the coldest day in Porto Calvo?

The coldest day measured in Porto Calvo between 1940 and 2025 was 1 August 1986, at 15.9 °C.

Does it snow in Porto Calvo?

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

Has the climate of Porto Calvo warmed?

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

What is the wettest day in Porto Calvo?

The wettest day measured in Porto Calvo between 1940 and 2025 was 29 April 2011, with 113 mm of rain in 24 hours.

What was the windiest day in Porto Calvo?

The windiest day measured in Porto Calvo between 1940 and 2025 was 23 July 1975, with winds reaching 24.7 km/h.

What is the warmest month in Porto Calvo?

The warmest month in Porto Calvo is January (26.3 °C on average); the coldest is July (23.1 °C).

How much does it rain in Porto Calvo?

Porto Calvo receives on average 968 mm of precipitation per year, spread over about 245 rainy days.

Is it sunny in Porto Calvo?

Porto Calvo gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.

Are there tropical nights in Porto Calvo?

Yes: Porto Calvo has on average 344 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Porto Calvo?

In Porto Calvo, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 22 March 2020, and the lowest was 16.6 °C on 1 August 1986.

Compare Porto Calvo with another city

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Nearby cities

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