Sumé climate — normals and trends
Sumé (Brazil) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 25.0 °C and it receives 268 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 December (26.3 °C on average) and the coldest is July (23.0 °C). Rainfall peaks in March.
Sumé averages 0 frost days, 255 hot days (≥ 30 °C) and 49 rainy days per year.
Sumé has warmed by +0.6 °C between 1940 and 2025, or +0.08 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.3 °C (on 14 January 2020) and the coldest 14.1 °C (on 5 August 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
SuméParaíba
- coords
- -7.67°, -36.88°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.0°C
Average daily high
31.2°C
Average daily low
20.1°C
Annual rainfall
268mm
Sunshine / day
10.8h
Mean relative humidity
64%
Average peak wind
22.0km/h
Seasonal range
3.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
255 d/yr
Rainy days (≥ 1 mm)
49 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.6 °C
Average feels-like low
21.0 °C
Average peak gust
40.3 km/h
Tropical nights (≥ 20 °C)
206 d/yr
Solar radiation
21.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.6 °C
since 1940
+0.1 °C per decade · r² = 0.23 · 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
37.3 °C
14 January 2020
Coldest day
14.1 °C
5 August 1974
Wettest day
135 mm
27 December 1963
Windiest day
37.3 km/h
17 June 1967
Strongest gust
62.3 km/h
29 December 1942
Hottest feels-like
39.6 °C
11 March 2010
Coldest feels-like
12.8 °C
31 July 1981
Sunniest day
12.4 h
24 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 | 31.8 °C | -0.7 °C | 83 mm | +53 mm |
| Feb | 31.7 °C | -0.4 °C | 29 mm | -13 mm |
| Mar | 32.2 °C | +0.5 °C | 12 mm | -52 mm |
| Apr | 32.0 °C | +1.0 °C | 51 mm | -6 mm |
| May | 30.1 °C | 0.0 °C | 28 mm | +3 mm |
| Jun | 28.6 °C | -0.3 °C | 23 mm | +8 mm |
| Jul | 28.5 °C | -0.1 °C | 8 mm | -1 mm |
| Aug | 29.2 °C | -0.4 °C | 14 mm | +10 mm |
| Sep | 30.3 °C | -0.9 °C | 4 mm | +2 mm |
| Oct | 32.1 °C | -0.5 °C | 1 mm | -1 mm |
| Nov | 33.4 °C | +0.5 °C | 0 mm | -5 mm |
| Dec | 33.6 °C | +0.8 °C | 0 mm | -13 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 Sumé?
Sumé has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 25.0 °C and it receives 268 mm of precipitation per year.
What is the hottest day ever recorded in Sumé?
The hottest day measured in Sumé between 1940 and 2025 was 14 January 2020, reaching 37.3 °C.
What is the coldest day in Sumé?
The coldest day measured in Sumé between 1940 and 2025 was 5 August 1974, at 14.1 °C.
Does it snow in Sumé?
Almost never: Sumé sees virtually no snow, with about 0 frost days per year.
Has the climate of Sumé warmed?
Yes: Sumé warmed by +0.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sumé?
The wettest day measured in Sumé between 1940 and 2025 was 27 December 1963, with 135 mm of rain in 24 hours.
What was the windiest day in Sumé?
The windiest day measured in Sumé between 1940 and 2025 was 17 June 1967, with winds reaching 37.3 km/h.
What is the warmest month in Sumé?
The warmest month in Sumé is December (26.3 °C on average); the coldest is July (23.0 °C).
How much does it rain in Sumé?
Sumé receives on average 268 mm of precipitation per year, spread over about 49 rainy days.
Is it sunny in Sumé?
Sumé gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Sumé?
Yes: Sumé has on average 206 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sumé?
In Sumé, between 1940 and 2025, the highest apparent temperature reached 39.6 °C on 11 March 2010, and the lowest was 12.8 °C on 31 July 1981.
Compare Sumé with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sumé