Mirassol climate — normals and trends
Mirassol (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.2 °C and it receives 1,465 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 (24.8 °C on average) and the coldest is June (20.0 °C). Rainfall peaks in December.
Mirassol averages 0 frost days, 123 hot days (≥ 30 °C) and 155 rainy days per year.
Mirassol has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.0 °C (on 18 October 1963) and the coldest 0.9 °C (on 18 July 1975).
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
MirassolSão Paulo
- coords
- -20.82°, -49.52°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.2°C
Average daily high
28.7°C
Average daily low
18.8°C
Annual rainfall
1,465mm
Sunshine / day
10.1h
Mean relative humidity
70%
Average peak wind
13.9km/h
Seasonal range
4.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
123 d/yr
Rainy days (≥ 1 mm)
155 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.2 °C
Average feels-like low
19.7 °C
Average peak gust
30.7 km/h
Tropical nights (≥ 20 °C)
165 d/yr
Solar radiation
18.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.62 · 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
41.0 °C
18 October 1963
Coldest day
0.9 °C
18 July 1975
Wettest day
140 mm
26 March 1991
Windiest day
38.0 km/h
7 June 2011
Strongest gust
82.8 km/h
7 June 2011
Hottest feels-like
43.3 °C
29 October 2007
Coldest feels-like
-3.1 °C
18 July 1975
Sunniest day
13.1 h
17 December 1952
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 | 31.2 °C | +2.0 °C | 144 mm | -103 mm |
| Feb | 31.4 °C | +2.1 °C | 107 mm | -109 mm |
| Mar | 32.2 °C | +3.1 °C | 79 mm | -97 mm |
| Apr | 29.3 °C | +0.9 °C | 119 mm | +37 mm |
| May | 27.8 °C | +1.4 °C | 17 mm | -35 mm |
| Jun | 26.8 °C | +0.8 °C | 38 mm | +11 mm |
| Jul | 27.2 °C | +0.6 °C | 4 mm | -18 mm |
| Aug | 29.9 °C | +0.8 °C | 2 mm | -19 mm |
| Sep | 33.3 °C | +2.6 °C | 28 mm | -27 mm |
| Oct | 31.1 °C | +0.6 °C | 75 mm | -66 mm |
| Nov | 31.3 °C | +1.7 °C | 108 mm | -73 mm |
| Dec | 31.2 °C | +2.2 °C | 159 mm | -88 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 Mirassol?
Mirassol has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.2 °C and it receives 1,465 mm of precipitation per year.
What is the hottest day ever recorded in Mirassol?
The hottest day measured in Mirassol between 1940 and 2025 was 18 October 1963, reaching 41.0 °C.
What is the coldest day in Mirassol?
The coldest day measured in Mirassol between 1940 and 2025 was 18 July 1975, at 0.9 °C.
Does it snow in Mirassol?
Almost never: Mirassol sees virtually no snow, with about 0 frost days per year.
Has the climate of Mirassol warmed?
Yes: Mirassol warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mirassol?
The wettest day measured in Mirassol between 1940 and 2025 was 26 March 1991, with 140 mm of rain in 24 hours.
What was the windiest day in Mirassol?
The windiest day measured in Mirassol between 1940 and 2025 was 7 June 2011, with winds reaching 38.0 km/h.
What is the warmest month in Mirassol?
The warmest month in Mirassol is October (24.8 °C on average); the coldest is June (20.0 °C).
How much does it rain in Mirassol?
Mirassol receives on average 1,465 mm of precipitation per year, spread over about 155 rainy days.
Is it sunny in Mirassol?
Mirassol gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Mirassol?
Yes: Mirassol has on average 165 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mirassol?
In Mirassol, between 1940 and 2025, the highest apparent temperature reached 43.3 °C on 29 October 2007, and the lowest was -3.1 °C on 18 July 1975.
Compare Mirassol with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mirassol