Irecê climate — normals and trends
Irecê (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 23.8 °C and it receives 499 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 (25.2 °C on average) and the coldest is July (21.3 °C). Rainfall peaks in March.
Irecê averages 0 frost days, 153 hot days (≥ 30 °C) and 58 rainy days per year.
Irecê 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 38.0 °C (on 27 December 2023) and the coldest 12.1 °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
IrecêEstado de Bahia
- coords
- -11.30°, -41.86°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.8°C
Average daily high
29.4°C
Average daily low
19.1°C
Annual rainfall
499mm
Sunshine / day
10.8h
Mean relative humidity
63%
Average peak wind
19.6km/h
Seasonal range
3.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
153 d/yr
Rainy days (≥ 1 mm)
58 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.2 °C
Average feels-like low
19.3 °C
Average peak gust
38.5 km/h
Tropical nights (≥ 20 °C)
123 d/yr
Solar radiation
21.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.13 · 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
38.0 °C
27 December 2023
Coldest day
12.1 °C
22 July 1967
Wettest day
127 mm
24 October 2009
Windiest day
38.1 km/h
10 May 1962
Strongest gust
68.8 km/h
17 August 1999
Hottest feels-like
40.3 °C
6 November 2015
Coldest feels-like
9.9 °C
8 August 1989
Sunniest day
12.7 h
10 December 1941
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 30.8 °C | +0.8 °C | 126 mm | +40 mm |
| Feb | 32.1 °C | +2.0 °C | 4 mm | -62 mm |
| Mar | 33.4 °C | +3.6 °C | 2 mm | -90 mm |
| Apr | 33.2 °C | +3.8 °C | 14 mm | -28 mm |
| May | 29.2 °C | +0.5 °C | 22 mm | +12 mm |
| Jun | 28.9 °C | +1.3 °C | 3 mm | -1 mm |
| Jul | 28.3 °C | +1.2 °C | 1 mm | -2 mm |
| Aug | 29.4 °C | +1.2 °C | 2 mm | +1 mm |
| Sep | 30.6 °C | +0.5 °C | 1 mm | -3 mm |
| Oct | 31.3 °C | -0.1 °C | 24 mm | -0 mm |
| Nov | 31.2 °C | +0.8 °C | 65 mm | -17 mm |
| Dec | 31.2 °C | +1.2 °C | 13 mm | -73 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 Irecê?
Irecê has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 23.8 °C and it receives 499 mm of precipitation per year.
What is the hottest day ever recorded in Irecê?
The hottest day measured in Irecê between 1940 and 2025 was 27 December 2023, reaching 38.0 °C.
What is the coldest day in Irecê?
The coldest day measured in Irecê between 1940 and 2025 was 22 July 1967, at 12.1 °C.
Does it snow in Irecê?
Almost never: Irecê sees virtually no snow, with about 0 frost days per year.
Has the climate of Irecê warmed?
Yes: Irecê warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Irecê?
The wettest day measured in Irecê between 1940 and 2025 was 24 October 2009, with 127 mm of rain in 24 hours.
What was the windiest day in Irecê?
The windiest day measured in Irecê between 1940 and 2025 was 10 May 1962, with winds reaching 38.1 km/h.
What is the warmest month in Irecê?
The warmest month in Irecê is October (25.2 °C on average); the coldest is July (21.3 °C).
How much does it rain in Irecê?
Irecê receives on average 499 mm of precipitation per year, spread over about 58 rainy days.
Is it sunny in Irecê?
Irecê gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Irecê?
Yes: Irecê has on average 123 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Irecê?
In Irecê, between 1940 and 2025, the highest apparent temperature reached 40.3 °C on 6 November 2015, and the lowest was 9.9 °C on 8 August 1989.
Compare Irecê with another city
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Nearby cities
The climate around Irecê