Belém de São Francisco climate — normals and trends
Belém de São Francisco (Brazil) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 26.8 °C and it receives 371 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 (28.8 °C on average) and the coldest is July (24.1 °C). Rainfall peaks in March.
Belém de São Francisco averages 0 frost days, 272 hot days (≥ 30 °C) and 54 rainy days per year.
Belém de São Francisco has warmed by +0.7 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.8 °C (on 26 October 2023) and the coldest 16.3 °C (on 22 July 1967).
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
Belém de São FranciscoPernambuco
- coords
- -8.75°, -38.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.8°C
Average daily high
32.1°C
Average daily low
22.2°C
Annual rainfall
371mm
Sunshine / day
10.8h
Mean relative humidity
61%
Average peak wind
22.1km/h
Seasonal range
4.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
272 d/yr
Rainy days (≥ 1 mm)
54 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.2 °C
Average feels-like low
23.4 °C
Average peak gust
39.1 km/h
Tropical nights (≥ 20 °C)
319 d/yr
Solar radiation
21.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.7 °C
since 1940
+0.1 °C per decade · r² = 0.18 · 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
39.8 °C
26 October 2023
Coldest day
16.3 °C
22 July 1967
Wettest day
189 mm
25 April 1978
Windiest day
36.2 km/h
19 August 1947
Strongest gust
62.6 km/h
19 August 1947
Hottest feels-like
42.9 °C
4 December 2015
Coldest feels-like
15.8 °C
22 July 1967
Sunniest day
12.5 h
30 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 | 32.7 °C | -0.8 °C | 106 mm | +49 mm |
| Feb | 32.8 °C | -0.3 °C | 18 mm | -46 mm |
| Mar | 34.5 °C | +2.0 °C | 4 mm | -93 mm |
| Apr | 34.0 °C | +2.3 °C | 47 mm | -16 mm |
| May | 31.0 °C | +0.3 °C | 22 mm | +3 mm |
| Jun | 29.7 °C | +0.3 °C | 25 mm | +16 mm |
| Jul | 29.3 °C | +0.3 °C | 5 mm | -1 mm |
| Aug | 30.1 °C | 0.0 °C | 7 mm | +3 mm |
| Sep | 30.9 °C | -1.2 °C | 5 mm | +2 mm |
| Oct | 33.4 °C | -0.6 °C | 4 mm | -2 mm |
| Nov | 35.4 °C | +0.9 °C | 12 mm | -5 mm |
| Dec | 35.4 °C | +1.2 °C | 4 mm | -24 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 de São Francisco?
Belém de São Francisco has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 26.8 °C and it receives 371 mm of precipitation per year.
What is the hottest day ever recorded in Belém de São Francisco?
The hottest day measured in Belém de São Francisco between 1940 and 2025 was 26 October 2023, reaching 39.8 °C.
What is the coldest day in Belém de São Francisco?
The coldest day measured in Belém de São Francisco between 1940 and 2025 was 22 July 1967, at 16.3 °C.
Does it snow in Belém de São Francisco?
Almost never: Belém de São Francisco sees virtually no snow, with about 0 frost days per year.
Has the climate of Belém de São Francisco warmed?
Yes: Belém de São Francisco warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Belém de São Francisco?
The wettest day measured in Belém de São Francisco between 1940 and 2025 was 25 April 1978, with 189 mm of rain in 24 hours.
What was the windiest day in Belém de São Francisco?
The windiest day measured in Belém de São Francisco between 1940 and 2025 was 19 August 1947, with winds reaching 36.2 km/h.
What is the warmest month in Belém de São Francisco?
The warmest month in Belém de São Francisco is November (28.8 °C on average); the coldest is July (24.1 °C).
How much does it rain in Belém de São Francisco?
Belém de São Francisco receives on average 371 mm of precipitation per year, spread over about 54 rainy days.
Is it sunny in Belém de São Francisco?
Belém de São Francisco 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 de São Francisco?
Yes: Belém de São Francisco has on average 319 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Belém de São Francisco?
In Belém de São Francisco, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 4 December 2015, and the lowest was 15.8 °C on 22 July 1967.
Compare Belém de São Francisco with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Belém de São Francisco