Belém climate — normals and trends
Belém (Brazil) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.6 °C and it receives 2,030 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 October (27.8 °C on average) and the coldest is February (25.7 °C). Rainfall peaks in March.
Belém averages 0 frost days, 206 hot days (≥ 30 °C) and 231 rainy days per year.
Belém has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.3 °C (on 17 October 1941) and the coldest 21.7 °C (on 11 July 1965).
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
BelémPará
- coords
- -1.46°, -48.50°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.6°C
Average daily high
30.2°C
Average daily low
24.1°C
Annual rainfall
2,030mm
Sunshine / day
10.3h
Mean relative humidity
82%
Average peak wind
13.4km/h
Seasonal range
2.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
206 d/yr
Rainy days (≥ 1 mm)
231 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.8 °C
Average feels-like low
28.3 °C
Average peak gust
30.0 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
18.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.61 · 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
35.3 °C
17 October 1941
Coldest day
21.7 °C
11 July 1965
Wettest day
247 mm
14 May 1979
Windiest day
24.0 km/h
30 October 1957
Strongest gust
55.1 km/h
6 December 1981
Hottest feels-like
41.8 °C
9 May 2010
Coldest feels-like
24.2 °C
5 January 1960
Sunniest day
12.0 h
2 October 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 | 29.8 °C | +0.6 °C | 351 mm | +87 mm |
| Feb | 29.3 °C | +0.5 °C | 553 mm | +237 mm |
| Mar | 29.5 °C | +0.7 °C | 494 mm | +102 mm |
| Apr | 30.0 °C | +1.0 °C | 273 mm | -94 mm |
| May | 31.1 °C | +1.5 °C | 228 mm | -21 mm |
| Jun | 30.9 °C | +1.0 °C | 104 mm | -10 mm |
| Jul | 30.9 °C | +0.8 °C | 94 mm | +20 mm |
| Aug | 30.9 °C | 0.0 °C | 64 mm | +23 mm |
| Sep | 31.4 °C | 0.0 °C | 19 mm | -8 mm |
| Oct | 31.7 °C | -0.2 °C | 28 mm | +7 mm |
| Nov | 31.5 °C | -0.3 °C | 35 mm | -6 mm |
| Dec | 31.0 °C | +0.4 °C | 84 mm | -42 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 Belém?
Belém has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.6 °C and it receives 2,030 mm of precipitation per year.
What is the hottest day ever recorded in Belém?
The hottest day measured in Belém between 1940 and 2025 was 17 October 1941, reaching 35.3 °C.
What is the coldest day in Belém?
The coldest day measured in Belém between 1940 and 2025 was 11 July 1965, at 21.7 °C.
Does it snow in Belém?
Almost never: Belém sees virtually no snow, with about 0 frost days per year.
Has the climate of Belém warmed?
Yes: Belém warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Belém?
The wettest day measured in Belém between 1940 and 2025 was 14 May 1979, with 247 mm of rain in 24 hours.
What was the windiest day in Belém?
The windiest day measured in Belém between 1940 and 2025 was 30 October 1957, with winds reaching 24.0 km/h.
What is the warmest month in Belém?
The warmest month in Belém is October (27.8 °C on average); the coldest is February (25.7 °C).
How much does it rain in Belém?
Belém receives on average 2,030 mm of precipitation per year, spread over about 231 rainy days.
Is it sunny in Belém?
Belém gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Belém?
Yes: Belém has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Belém?
In Belém, between 1940 and 2025, the highest apparent temperature reached 41.8 °C on 9 May 2010, and the lowest was 24.2 °C on 5 January 1960.
Compare Belém with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Belém