Sobral climate — normals and trends
Sobral (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.2 °C and it receives 819 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 (28.5 °C on average) and the coldest is March (25.9 °C). Rainfall peaks in March.
Sobral averages 0 frost days, 301 hot days (≥ 30 °C) and 121 rainy days per year.
Sobral has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.2 °C (on 25 December 1998) and the coldest 17.8 °C (on 5 July 1974).
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
SobralCeará
- coords
- -3.69°, -40.35°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.2°C
Average daily high
32.6°C
Average daily low
23.2°C
Annual rainfall
819mm
Sunshine / day
10.9h
Mean relative humidity
70%
Average peak wind
18.4km/h
Seasonal range
2.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
301 d/yr
Rainy days (≥ 1 mm)
121 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.1 °C
Average feels-like low
26.7 °C
Average peak gust
37.2 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
20.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.27 · 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
38.2 °C
25 December 1998
Coldest day
17.8 °C
5 July 1974
Wettest day
188 mm
14 April 1996
Windiest day
31.6 km/h
5 July 2017
Strongest gust
58.0 km/h
29 June 1942
Hottest feels-like
40.9 °C
2 May 1998
Coldest feels-like
18.0 °C
4 July 1974
Sunniest day
12.2 h
7 December 2022
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 | 31.9 °C | -0.4 °C | 166 mm | +65 mm |
| Feb | 31.0 °C | -0.1 °C | 160 mm | +18 mm |
| Mar | 30.6 °C | +0.4 °C | 213 mm | +4 mm |
| Apr | 30.9 °C | +0.7 °C | 123 mm | -64 mm |
| May | 31.0 °C | +0.3 °C | 35 mm | -61 mm |
| Jun | 31.4 °C | -0.1 °C | 26 mm | +1 mm |
| Jul | 32.9 °C | +0.3 °C | 4 mm | -7 mm |
| Aug | 34.2 °C | +0.3 °C | 2 mm | -2 mm |
| Sep | 35.3 °C | +0.6 °C | 1 mm | -2 mm |
| Oct | 35.7 °C | +0.5 °C | 1 mm | -3 mm |
| Nov | 34.8 °C | -0.1 °C | 2 mm | -4 mm |
| Dec | 33.9 °C | -0.1 °C | 18 mm | -14 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 Sobral?
Sobral has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.2 °C and it receives 819 mm of precipitation per year.
What is the hottest day ever recorded in Sobral?
The hottest day measured in Sobral between 1940 and 2025 was 25 December 1998, reaching 38.2 °C.
What is the coldest day in Sobral?
The coldest day measured in Sobral between 1940 and 2025 was 5 July 1974, at 17.8 °C.
Does it snow in Sobral?
Almost never: Sobral sees virtually no snow, with about 0 frost days per year.
Has the climate of Sobral warmed?
Yes: Sobral warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sobral?
The wettest day measured in Sobral between 1940 and 2025 was 14 April 1996, with 188 mm of rain in 24 hours.
What was the windiest day in Sobral?
The windiest day measured in Sobral between 1940 and 2025 was 5 July 2017, with winds reaching 31.6 km/h.
What is the warmest month in Sobral?
The warmest month in Sobral is October (28.5 °C on average); the coldest is March (25.9 °C).
How much does it rain in Sobral?
Sobral receives on average 819 mm of precipitation per year, spread over about 121 rainy days.
Is it sunny in Sobral?
Sobral gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Sobral?
Yes: Sobral has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sobral?
In Sobral, between 1940 and 2025, the highest apparent temperature reached 40.9 °C on 2 May 1998, and the lowest was 18.0 °C on 4 July 1974.
Compare Sobral with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sobral