Belém climate — normals and trends
Belém (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 24.8 °C and it receives 592 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 (25.8 °C on average) and the coldest is July (23.2 °C). Rainfall peaks in March.
Belém averages 0 frost days, 140 hot days (≥ 30 °C) and 167 rainy days per year.
Belém has warmed by +0.7 °C between 1940 and 2025, or +0.08 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.2 °C (on 21 March 1989) and the coldest 15.1 °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
BelémParaíba
- coords
- -6.69°, -35.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.8°C
Average daily high
29.3°C
Average daily low
21.5°C
Annual rainfall
592mm
Sunshine / day
10.8h
Mean relative humidity
78%
Average peak wind
17.3km/h
Seasonal range
2.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
140 d/yr
Rainy days (≥ 1 mm)
167 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.9 °C
Average feels-like low
24.2 °C
Average peak gust
39.2 km/h
Tropical nights (≥ 20 °C)
329 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.7 °C
since 1940
+0.1 °C per decade · r² = 0.34 · 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
35.2 °C
21 March 1989
Coldest day
15.1 °C
1 August 1986
Wettest day
105 mm
23 May 2020
Windiest day
29.1 km/h
19 August 1947
Strongest gust
60.8 km/h
6 October 1947
Hottest feels-like
40.3 °C
2 April 2024
Coldest feels-like
15.5 °C
1 August 1986
Sunniest day
12.4 h
21 December 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 | 30.8 °C | +0.2 °C | 79 mm | +27 mm |
| Feb | 29.9 °C | -0.6 °C | 59 mm | -6 mm |
| Mar | 29.9 °C | -0.3 °C | 78 mm | -17 mm |
| Apr | 30.6 °C | +1.1 °C | 50 mm | -41 mm |
| May | 29.3 °C | +0.6 °C | 59 mm | -10 mm |
| Jun | 27.7 °C | +0.2 °C | 71 mm | +17 mm |
| Jul | 26.7 °C | -0.3 °C | 42 mm | -5 mm |
| Aug | 27.3 °C | -0.4 °C | 52 mm | +27 mm |
| Sep | 28.2 °C | -0.5 °C | 33 mm | +11 mm |
| Oct | 29.1 °C | -0.8 °C | 19 mm | -1 mm |
| Nov | 30.2 °C | -0.2 °C | 12 mm | -8 mm |
| Dec | 30.4 °C | -0.2 °C | 19 mm | -12 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 hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 24.8 °C and it receives 592 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 21 March 1989, reaching 35.2 °C.
What is the coldest day in Belém?
The coldest day measured in Belém between 1940 and 2025 was 1 August 1986, at 15.1 °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 +0.7 °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 23 May 2020, with 105 mm of rain in 24 hours.
What was the windiest day in Belém?
The windiest day measured in Belém between 1940 and 2025 was 19 August 1947, with winds reaching 29.1 km/h.
What is the warmest month in Belém?
The warmest month in Belém is January (25.8 °C on average); the coldest is July (23.2 °C).
How much does it rain in Belém?
Belém receives on average 592 mm of precipitation per year, spread over about 167 rainy days.
Is it sunny in Belém?
Belém gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Belém?
Yes: Belém has on average 329 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 40.3 °C on 2 April 2024, and the lowest was 15.5 °C on 1 August 1986.
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