Mairi climate — normals and trends
Mairi (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 23.9 °C and it receives 606 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 January (25.6 °C on average) and the coldest is July (21.1 °C). Rainfall peaks in March.
Mairi averages 0 frost days, 140 hot days (≥ 30 °C) and 146 rainy days per year.
Mairi has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.5 °C (on 23 October 1954) and the coldest 11.4 °C (on 21 August 1943).
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
MairiEstado de Bahia
- coords
- -11.71°, -40.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.9°C
Average daily high
29.0°C
Average daily low
20.0°C
Annual rainfall
606mm
Sunshine / day
9.6h
Mean relative humidity
73%
Average peak wind
14.3km/h
Seasonal range
4.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
140 d/yr
Rainy days (≥ 1 mm)
146 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.1 °C
Average feels-like low
22.0 °C
Average peak gust
31.2 km/h
Tropical nights (≥ 20 °C)
202 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.18 · 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
39.5 °C
23 October 1954
Coldest day
11.4 °C
21 August 1943
Wettest day
109 mm
18 January 2004
Windiest day
26.0 km/h
25 July 2011
Strongest gust
61.6 km/h
28 December 1967
Hottest feels-like
42.2 °C
26 November 2015
Coldest feels-like
10.7 °C
21 August 1943
Sunniest day
12.7 h
4 December 1940
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 | 32.0 °C | +1.0 °C | 152 mm | +83 mm |
| Feb | 31.3 °C | +0.3 °C | 36 mm | -26 mm |
| Mar | 31.9 °C | +1.4 °C | 31 mm | -55 mm |
| Apr | 31.7 °C | +2.6 °C | 39 mm | -23 mm |
| May | 27.0 °C | -0.4 °C | 73 mm | +32 mm |
| Jun | 26.2 °C | +0.2 °C | 44 mm | +6 mm |
| Jul | 25.5 °C | +0.1 °C | 28 mm | -7 mm |
| Aug | 27.0 °C | +0.7 °C | 36 mm | +5 mm |
| Sep | 28.3 °C | -0.1 °C | 30 mm | +6 mm |
| Oct | 29.9 °C | -0.8 °C | 27 mm | -2 mm |
| Nov | 31.5 °C | +0.6 °C | 74 mm | +11 mm |
| Dec | 31.5 °C | +0.6 °C | 19 mm | -47 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 Mairi?
Mairi has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 23.9 °C and it receives 606 mm of precipitation per year.
What is the hottest day ever recorded in Mairi?
The hottest day measured in Mairi between 1940 and 2025 was 23 October 1954, reaching 39.5 °C.
What is the coldest day in Mairi?
The coldest day measured in Mairi between 1940 and 2025 was 21 August 1943, at 11.4 °C.
Does it snow in Mairi?
Almost never: Mairi sees virtually no snow, with about 0 frost days per year.
Has the climate of Mairi warmed?
Yes: Mairi warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mairi?
The wettest day measured in Mairi between 1940 and 2025 was 18 January 2004, with 109 mm of rain in 24 hours.
What was the windiest day in Mairi?
The windiest day measured in Mairi between 1940 and 2025 was 25 July 2011, with winds reaching 26.0 km/h.
What is the warmest month in Mairi?
The warmest month in Mairi is January (25.6 °C on average); the coldest is July (21.1 °C).
How much does it rain in Mairi?
Mairi receives on average 606 mm of precipitation per year, spread over about 146 rainy days.
Is it sunny in Mairi?
Mairi gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.
Are there tropical nights in Mairi?
Yes: Mairi has on average 202 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mairi?
In Mairi, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 26 November 2015, and the lowest was 10.7 °C on 21 August 1943.
Compare Mairi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mairi