São Bento do Una climate — normals and trends
São Bento do Una (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 22.6 °C and it receives 329 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 (24.0 °C on average) and the coldest is July (20.4 °C). Rainfall peaks in March.
São Bento do Una averages 0 frost days, 106 hot days (≥ 30 °C) and 91 rainy days per year.
São Bento do Una has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.1 °C (on 6 March 2008) and the coldest 11.7 °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
São Bento do UnaPernambuco
- coords
- -8.52°, -36.44°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.6°C
Average daily high
28.2°C
Average daily low
18.6°C
Annual rainfall
329mm
Sunshine / day
10.5h
Mean relative humidity
75%
Average peak wind
18.3km/h
Seasonal range
3.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
106 d/yr
Rainy days (≥ 1 mm)
91 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.2 °C
Average feels-like low
19.9 °C
Average peak gust
38.5 km/h
Tropical nights (≥ 20 °C)
65 d/yr
Solar radiation
20.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.40 · 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
35.1 °C
6 March 2008
Coldest day
11.7 °C
1 August 1986
Wettest day
89 mm
28 May 2017
Windiest day
32.4 km/h
17 June 1967
Strongest gust
61.9 km/h
11 August 1954
Hottest feels-like
38.1 °C
11 March 2010
Coldest feels-like
11.8 °C
1 August 1986
Sunniest day
12.5 h
21 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 | 30.0 °C | 0.0 °C | 89 mm | +58 mm |
| Feb | 28.8 °C | -0.9 °C | 33 mm | -4 mm |
| Mar | 30.0 °C | +0.5 °C | 22 mm | -37 mm |
| Apr | 30.6 °C | +2.1 °C | 28 mm | -24 mm |
| May | 27.4 °C | +0.3 °C | 50 mm | +14 mm |
| Jun | 25.5 °C | 0.0 °C | 40 mm | +11 mm |
| Jul | 24.9 °C | +0.1 °C | 22 mm | -2 mm |
| Aug | 25.1 °C | -0.5 °C | 38 mm | +22 mm |
| Sep | 26.1 °C | -1.2 °C | 26 mm | +15 mm |
| Oct | 28.3 °C | -1.1 °C | 9 mm | +2 mm |
| Nov | 31.1 °C | +0.8 °C | 3 mm | -8 mm |
| Dec | 31.2 °C | +0.8 °C | 3 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 São Bento do Una?
São Bento do Una has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 22.6 °C and it receives 329 mm of precipitation per year.
What is the hottest day ever recorded in São Bento do Una?
The hottest day measured in São Bento do Una between 1940 and 2025 was 6 March 2008, reaching 35.1 °C.
What is the coldest day in São Bento do Una?
The coldest day measured in São Bento do Una between 1940 and 2025 was 1 August 1986, at 11.7 °C.
Does it snow in São Bento do Una?
Almost never: São Bento do Una sees virtually no snow, with about 0 frost days per year.
Has the climate of São Bento do Una warmed?
Yes: São Bento do Una warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in São Bento do Una?
The wettest day measured in São Bento do Una between 1940 and 2025 was 28 May 2017, with 89 mm of rain in 24 hours.
What was the windiest day in São Bento do Una?
The windiest day measured in São Bento do Una between 1940 and 2025 was 17 June 1967, with winds reaching 32.4 km/h.
What is the warmest month in São Bento do Una?
The warmest month in São Bento do Una is December (24.0 °C on average); the coldest is July (20.4 °C).
How much does it rain in São Bento do Una?
São Bento do Una receives on average 329 mm of precipitation per year, spread over about 91 rainy days.
Is it sunny in São Bento do Una?
São Bento do Una gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in São Bento do Una?
Yes: São Bento do Una has on average 65 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in São Bento do Una?
In São Bento do Una, between 1940 and 2025, the highest apparent temperature reached 38.1 °C on 11 March 2010, and the lowest was 11.8 °C on 1 August 1986.
Compare São Bento do Una with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around São Bento do Una