Viradouro climate — normals and trends
Viradouro (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.3 °C and it receives 1,379 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 (25.0 °C on average) and the coldest is June (20.0 °C). Rainfall peaks in December.
Viradouro averages 0 frost days, 132 hot days (≥ 30 °C) and 150 rainy days per year.
Viradouro has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.1 °C (on 18 October 1963) and the coldest 2.0 °C (on 26 June 1994).
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
ViradouroSão Paulo
- coords
- -20.87°, -48.30°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.3°C
Average daily high
28.9°C
Average daily low
18.6°C
Annual rainfall
1,379mm
Sunshine / day
10.1h
Mean relative humidity
69%
Average peak wind
12.3km/h
Seasonal range
5.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
132 d/yr
Rainy days (≥ 1 mm)
150 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.3 °C
Average feels-like low
19.6 °C
Average peak gust
29.3 km/h
Tropical nights (≥ 20 °C)
155 d/yr
Solar radiation
18.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °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
41.1 °C
18 October 1963
Coldest day
2.0 °C
26 June 1994
Wettest day
122 mm
8 November 1953
Windiest day
30.9 km/h
7 June 2011
Strongest gust
78.1 km/h
30 July 1989
Hottest feels-like
42.8 °C
29 October 2007
Coldest feels-like
-1.0 °C
26 June 1994
Sunniest day
13.2 h
11 December 2021
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 | 31.1 °C | +1.8 °C | 118 mm | -116 mm |
| Feb | 31.5 °C | +2.0 °C | 108 mm | -83 mm |
| Mar | 32.1 °C | +2.8 °C | 73 mm | -83 mm |
| Apr | 29.2 °C | +0.6 °C | 115 mm | +38 mm |
| May | 28.0 °C | +1.3 °C | 11 mm | -34 mm |
| Jun | 27.1 °C | +0.9 °C | 23 mm | -3 mm |
| Jul | 27.3 °C | +0.6 °C | 6 mm | -15 mm |
| Aug | 29.8 °C | +0.6 °C | 3 mm | -17 mm |
| Sep | 32.7 °C | +1.7 °C | 25 mm | -29 mm |
| Oct | 31.1 °C | +0.3 °C | 88 mm | -48 mm |
| Nov | 31.6 °C | +1.8 °C | 76 mm | -104 mm |
| Dec | 31.3 °C | +2.1 °C | 160 mm | -82 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 Viradouro?
Viradouro has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.3 °C and it receives 1,379 mm of precipitation per year.
What is the hottest day ever recorded in Viradouro?
The hottest day measured in Viradouro between 1940 and 2025 was 18 October 1963, reaching 41.1 °C.
What is the coldest day in Viradouro?
The coldest day measured in Viradouro between 1940 and 2025 was 26 June 1994, at 2.0 °C.
Does it snow in Viradouro?
Almost never: Viradouro sees virtually no snow, with about 0 frost days per year.
Has the climate of Viradouro warmed?
Yes: Viradouro warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Viradouro?
The wettest day measured in Viradouro between 1940 and 2025 was 8 November 1953, with 122 mm of rain in 24 hours.
What was the windiest day in Viradouro?
The windiest day measured in Viradouro between 1940 and 2025 was 7 June 2011, with winds reaching 30.9 km/h.
What is the warmest month in Viradouro?
The warmest month in Viradouro is October (25.0 °C on average); the coldest is June (20.0 °C).
How much does it rain in Viradouro?
Viradouro receives on average 1,379 mm of precipitation per year, spread over about 150 rainy days.
Is it sunny in Viradouro?
Viradouro gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Viradouro?
Yes: Viradouro has on average 155 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Viradouro?
In Viradouro, between 1940 and 2025, the highest apparent temperature reached 42.8 °C on 29 October 2007, and the lowest was -1.0 °C on 26 June 1994.
Compare Viradouro with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Viradouro