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
- 1940–2025 · 86 yrs
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
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
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
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 31.3 °C | +0.8 °C | 67 mm | +8 mm |
| Feb | 30.1 °C | -0.4 °C | 79 mm | +12 mm |
| Mar | 30.7 °C | +0.4 °C | 60 mm | -39 mm |
| Apr | 31.0 °C | +1.6 °C | 56 mm | -50 mm |
| May | 28.8 °C | +0.7 °C | 143 mm | +24 mm |
| Jun | 26.7 °C | -0.2 °C | 165 mm | +34 mm |
| Jul | 26.2 °C | 0.0 °C | 144 mm | +21 mm |
| Aug | 26.6 °C | +0.2 °C | 158 mm | +71 mm |
| Sep | 27.1 °C | -0.2 °C | 81 mm | +18 mm |
| Oct | 28.4 °C | -0.4 °C | 54 mm | +11 mm |
| Nov | 30.7 °C | +0.7 °C | 16 mm | -15 mm |
| Dec | 30.5 °C | 0.0 °C | 31 mm | -8 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
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
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Porto Calvo