São João de Pirabas climate — normals and trends
São João de Pirabas (Brazil) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.2 °C and it receives 2,570 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 November (27.0 °C on average) and the coldest is February (25.4 °C). Rainfall peaks in March.
São João de Pirabas averages 0 frost days, 45 hot days (≥ 30 °C) and 254 rainy days per year.
São João de Pirabas has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.0 °C (on 14 May 2010) and the coldest 21.6 °C (on 9 March 1977).
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 João de PirabasPará
- coords
- -0.77°, -47.18°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.2°C
Average daily high
28.6°C
Average daily low
24.4°C
Annual rainfall
2,570mm
Sunshine / day
10.4h
Mean relative humidity
86%
Average peak wind
15.9km/h
Seasonal range
1.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
45 d/yr
Rainy days (≥ 1 mm)
254 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.6 °C
Average feels-like low
28.3 °C
Average peak gust
37.4 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
18.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.68 · 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 May 2010
Coldest day
21.6 °C
9 March 1977
Wettest day
214 mm
2 April 2016
Windiest day
28.6 km/h
30 October 1957
Strongest gust
67.7 km/h
7 November 1965
Hottest feels-like
40.2 °C
14 May 2010
Coldest feels-like
23.8 °C
9 March 1977
Sunniest day
12.0 h
18 September 1940
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 | 28.9 °C | +1.0 °C | 385 mm | +54 mm |
| Feb | 28.3 °C | +0.7 °C | 598 mm | +181 mm |
| Mar | 28.2 °C | +0.7 °C | 623 mm | +120 mm |
| Apr | 28.6 °C | +0.8 °C | 409 mm | -44 mm |
| May | 29.6 °C | +1.3 °C | 241 mm | -91 mm |
| Jun | 29.3 °C | +0.7 °C | 126 mm | -48 mm |
| Jul | 29.5 °C | +0.8 °C | 114 mm | -5 mm |
| Aug | 29.1 °C | +0.1 °C | 77 mm | +31 mm |
| Sep | 29.5 °C | +0.2 °C | 17 mm | -1 mm |
| Oct | 29.6 °C | 0.0 °C | 26 mm | +12 mm |
| Nov | 29.8 °C | +0.2 °C | 51 mm | +21 mm |
| Dec | 29.4 °C | +0.4 °C | 104 mm | -28 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 João de Pirabas?
São João de Pirabas has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.2 °C and it receives 2,570 mm of precipitation per year.
What is the hottest day ever recorded in São João de Pirabas?
The hottest day measured in São João de Pirabas between 1940 and 2025 was 14 May 2010, reaching 33.0 °C.
What is the coldest day in São João de Pirabas?
The coldest day measured in São João de Pirabas between 1940 and 2025 was 9 March 1977, at 21.6 °C.
Does it snow in São João de Pirabas?
Almost never: São João de Pirabas sees virtually no snow, with about 0 frost days per year.
Has the climate of São João de Pirabas warmed?
Yes: São João de Pirabas warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in São João de Pirabas?
The wettest day measured in São João de Pirabas between 1940 and 2025 was 2 April 2016, with 214 mm of rain in 24 hours.
What was the windiest day in São João de Pirabas?
The windiest day measured in São João de Pirabas between 1940 and 2025 was 30 October 1957, with winds reaching 28.6 km/h.
What is the warmest month in São João de Pirabas?
The warmest month in São João de Pirabas is November (27.0 °C on average); the coldest is February (25.4 °C).
How much does it rain in São João de Pirabas?
São João de Pirabas receives on average 2,570 mm of precipitation per year, spread over about 254 rainy days.
Is it sunny in São João de Pirabas?
São João de Pirabas gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in São João de Pirabas?
Yes: São João de Pirabas has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in São João de Pirabas?
In São João de Pirabas, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 14 May 2010, and the lowest was 23.8 °C on 9 March 1977.
Compare São João de Pirabas with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around São João de Pirabas