Serra Preta climate — normals and trends
Serra Preta (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 24.7 °C and it receives 576 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 February (26.5 °C on average) and the coldest is July (22.0 °C). Rainfall peaks in March.
Serra Preta averages 0 frost days, 179 hot days (≥ 30 °C) and 155 rainy days per year.
Serra Preta has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.6 °C (on 20 March 2019) and the coldest 12.9 °C (on 2 September 2006).
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
Serra PretaEstado de Bahia
- coords
- -12.16°, -39.33°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.7°C
Average daily high
29.9°C
Average daily low
20.9°C
Annual rainfall
576mm
Sunshine / day
10.1h
Mean relative humidity
76%
Average peak wind
15.7km/h
Seasonal range
4.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
179 d/yr
Rainy days (≥ 1 mm)
155 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.5 °C
Average feels-like low
23.5 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
257 d/yr
Solar radiation
18.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.29 · 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
39.6 °C
20 March 2019
Coldest day
12.9 °C
2 September 2006
Wettest day
104 mm
4 November 2003
Windiest day
29.3 km/h
21 June 1958
Strongest gust
62.3 km/h
4 October 2014
Hottest feels-like
44.6 °C
26 November 2015
Coldest feels-like
12.7 °C
2 September 2006
Sunniest day
12.7 h
27 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 | 32.6 °C | +0.4 °C | 155 mm | +96 mm |
| Feb | 31.7 °C | -0.4 °C | 42 mm | -10 mm |
| Mar | 32.5 °C | +0.7 °C | 29 mm | -39 mm |
| Apr | 32.4 °C | +2.1 °C | 36 mm | -22 mm |
| May | 27.4 °C | -0.9 °C | 92 mm | +45 mm |
| Jun | 27.0 °C | +0.1 °C | 48 mm | +3 mm |
| Jul | 26.0 °C | -0.2 °C | 40 mm | -1 mm |
| Aug | 27.2 °C | +0.2 °C | 45 mm | +9 mm |
| Sep | 28.0 °C | -0.9 °C | 27 mm | -0 mm |
| Oct | 29.6 °C | -1.6 °C | 35 mm | +4 mm |
| Nov | 31.9 °C | 0.0 °C | 51 mm | -6 mm |
| Dec | 33.3 °C | +1.2 °C | 9 mm | -48 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 Serra Preta?
Serra Preta has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 24.7 °C and it receives 576 mm of precipitation per year.
What is the hottest day ever recorded in Serra Preta?
The hottest day measured in Serra Preta between 1940 and 2025 was 20 March 2019, reaching 39.6 °C.
What is the coldest day in Serra Preta?
The coldest day measured in Serra Preta between 1940 and 2025 was 2 September 2006, at 12.9 °C.
Does it snow in Serra Preta?
Almost never: Serra Preta sees virtually no snow, with about 0 frost days per year.
Has the climate of Serra Preta warmed?
Yes: Serra Preta warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Serra Preta?
The wettest day measured in Serra Preta between 1940 and 2025 was 4 November 2003, with 104 mm of rain in 24 hours.
What was the windiest day in Serra Preta?
The windiest day measured in Serra Preta between 1940 and 2025 was 21 June 1958, with winds reaching 29.3 km/h.
What is the warmest month in Serra Preta?
The warmest month in Serra Preta is February (26.5 °C on average); the coldest is July (22.0 °C).
How much does it rain in Serra Preta?
Serra Preta receives on average 576 mm of precipitation per year, spread over about 155 rainy days.
Is it sunny in Serra Preta?
Serra Preta gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Serra Preta?
Yes: Serra Preta has on average 257 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Serra Preta?
In Serra Preta, between 1940 and 2025, the highest apparent temperature reached 44.6 °C on 26 November 2015, and the lowest was 12.7 °C on 2 September 2006.
Compare Serra Preta with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Serra Preta