São Pedro da Aldeia climate — normals and trends
São Pedro da Aldeia (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.2 °C and it receives 1,037 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 (25.5 °C on average) and the coldest is July (21.1 °C). Rainfall peaks in December.
São Pedro da Aldeia averages 0 frost days, 5 hot days (≥ 30 °C) and 127 rainy days per year.
São Pedro da Aldeia 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 33.0 °C (on 14 March 2010) and the coldest 13.3 °C (on 18 July 2000).
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
São Pedro da AldeiaRio de Janeiro
- coords
- -22.84°, -42.10°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.2°C
Average daily high
25.2°C
Average daily low
21.6°C
Annual rainfall
1,037mm
Sunshine / day
10.1h
Mean relative humidity
83%
Average peak wind
22.9km/h
Seasonal range
4.4°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
127 d/yr
Annual snowfall
0.0 cm
Average feels-like high
28.0 °C
Average feels-like low
22.9 °C
Average peak gust
35.6 km/h
Tropical nights (≥ 20 °C)
275 d/yr
Solar radiation
18.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.47 · 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
33.0 °C
14 March 2010
Coldest day
13.3 °C
18 July 2000
Wettest day
188 mm
4 January 1964
Windiest day
49.8 km/h
19 May 2022
Strongest gust
79.9 km/h
11 August 2022
Hottest feels-like
41.6 °C
24 February 2019
Coldest feels-like
9.9 °C
31 May 1979
Sunniest day
13.4 h
4 January 1941
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 | 27.9 °C | +0.7 °C | 57 mm | -80 mm |
| Feb | 28.5 °C | +1.0 °C | 0 mm | -95 mm |
| Mar | 28.0 °C | +0.9 °C | 61 mm | -59 mm |
| Apr | 26.2 °C | +0.2 °C | 83 mm | +5 mm |
| May | 25.3 °C | +0.8 °C | 16 mm | -42 mm |
| Jun | 24.4 °C | +0.6 °C | 26 mm | -15 mm |
| Jul | 22.6 °C | -0.7 °C | 30 mm | -10 mm |
| Aug | 23.3 °C | -0.2 °C | 22 mm | -15 mm |
| Sep | 24.0 °C | +0.2 °C | 40 mm | -17 mm |
| Oct | 24.0 °C | -0.4 °C | 90 mm | +4 mm |
| Nov | 24.8 °C | -0.2 °C | 70 mm | -67 mm |
| Dec | 27.3 °C | +1.1 °C | 93 mm | -60 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 São Pedro da Aldeia?
São Pedro da Aldeia has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.2 °C and it receives 1,037 mm of precipitation per year.
What is the hottest day ever recorded in São Pedro da Aldeia?
The hottest day measured in São Pedro da Aldeia between 1940 and 2025 was 14 March 2010, reaching 33.0 °C.
What is the coldest day in São Pedro da Aldeia?
The coldest day measured in São Pedro da Aldeia between 1940 and 2025 was 18 July 2000, at 13.3 °C.
Does it snow in São Pedro da Aldeia?
Almost never: São Pedro da Aldeia sees virtually no snow, with about 0 frost days per year.
Has the climate of São Pedro da Aldeia warmed?
Yes: São Pedro da Aldeia warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in São Pedro da Aldeia?
The wettest day measured in São Pedro da Aldeia between 1940 and 2025 was 4 January 1964, with 188 mm of rain in 24 hours.
What was the windiest day in São Pedro da Aldeia?
The windiest day measured in São Pedro da Aldeia between 1940 and 2025 was 19 May 2022, with winds reaching 49.8 km/h.
What is the warmest month in São Pedro da Aldeia?
The warmest month in São Pedro da Aldeia is February (25.5 °C on average); the coldest is July (21.1 °C).
How much does it rain in São Pedro da Aldeia?
São Pedro da Aldeia receives on average 1,037 mm of precipitation per year, spread over about 127 rainy days.
Is it sunny in São Pedro da Aldeia?
São Pedro da Aldeia gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in São Pedro da Aldeia?
Yes: São Pedro da Aldeia has on average 275 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in São Pedro da Aldeia?
In São Pedro da Aldeia, between 1940 and 2025, the highest apparent temperature reached 41.6 °C on 24 February 2019, and the lowest was 9.9 °C on 31 May 1979.
Compare São Pedro da Aldeia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around São Pedro da Aldeia