Matão climate — normals and trends
Matão (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 22.2 °C and it receives 1,538 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 (24.1 °C on average) and the coldest is June (18.9 °C). Rainfall peaks in January.
Matão averages 0 frost days, 89 hot days (≥ 30 °C) and 154 rainy days per year.
Matão has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.9 °C (on 17 October 1963) and the coldest 0.8 °C (on 21 July 1981).
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
MatãoSão Paulo
- coords
- -21.60°, -48.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.2°C
Average daily high
27.7°C
Average daily low
17.8°C
Annual rainfall
1,538mm
Sunshine / day
9.9h
Mean relative humidity
71%
Average peak wind
13.7km/h
Seasonal range
5.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
89 d/yr
Rainy days (≥ 1 mm)
154 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.0 °C
Average feels-like low
18.3 °C
Average peak gust
31.0 km/h
Tropical nights (≥ 20 °C)
107 d/yr
Solar radiation
18.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.64 · 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
39.9 °C
17 October 1963
Coldest day
0.8 °C
21 July 1981
Wettest day
147 mm
3 January 1961
Windiest day
34.7 km/h
7 June 2011
Strongest gust
83.2 km/h
2 October 1972
Hottest feels-like
43.0 °C
29 October 2007
Coldest feels-like
-2.8 °C
21 July 1981
Sunniest day
13.3 h
12 December 2018
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 | 30.4 °C | +1.8 °C | 148 mm | -117 mm |
| Feb | 30.9 °C | +2.1 °C | 89 mm | -126 mm |
| Mar | 31.3 °C | +2.8 °C | 72 mm | -98 mm |
| Apr | 28.4 °C | +0.9 °C | 108 mm | +25 mm |
| May | 26.9 °C | +1.5 °C | 11 mm | -46 mm |
| Jun | 25.3 °C | +0.5 °C | 56 mm | +21 mm |
| Jul | 25.6 °C | +0.4 °C | 1 mm | -28 mm |
| Aug | 28.6 °C | +0.9 °C | 1 mm | -26 mm |
| Sep | 31.4 °C | +2.0 °C | 30 mm | -37 mm |
| Oct | 29.6 °C | +0.3 °C | 97 mm | -54 mm |
| Nov | 29.6 °C | +0.9 °C | 92 mm | -94 mm |
| Dec | 30.6 °C | +2.2 °C | 154 mm | -99 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 Matão?
Matão has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.2 °C and it receives 1,538 mm of precipitation per year.
What is the hottest day ever recorded in Matão?
The hottest day measured in Matão between 1940 and 2025 was 17 October 1963, reaching 39.9 °C.
What is the coldest day in Matão?
The coldest day measured in Matão between 1940 and 2025 was 21 July 1981, at 0.8 °C.
Does it snow in Matão?
Almost never: Matão sees virtually no snow, with about 0 frost days per year.
Has the climate of Matão warmed?
Yes: Matão warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Matão?
The wettest day measured in Matão between 1940 and 2025 was 3 January 1961, with 147 mm of rain in 24 hours.
What was the windiest day in Matão?
The windiest day measured in Matão between 1940 and 2025 was 7 June 2011, with winds reaching 34.7 km/h.
What is the warmest month in Matão?
The warmest month in Matão is February (24.1 °C on average); the coldest is June (18.9 °C).
How much does it rain in Matão?
Matão receives on average 1,538 mm of precipitation per year, spread over about 154 rainy days.
Is it sunny in Matão?
Matão gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Matão?
Yes: Matão has on average 107 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Matão?
In Matão, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 29 October 2007, and the lowest was -2.8 °C on 21 July 1981.
Compare Matão with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Matão