Rio Preto da Eva climate — normals and trends
Rio Preto da Eva (Brazil) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.9 °C and it receives 2,250 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 (27.1 °C on average) and the coldest is January (25.4 °C). Rainfall peaks in March.
Rio Preto da Eva averages 0 frost days, 191 hot days (≥ 30 °C) and 293 rainy days per year.
Rio Preto da Eva has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.9 °C (on 16 October 1963) and the coldest 18.6 °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
Rio Preto da EvaAmazonas
- coords
- -2.70°, -59.70°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.9°C
Average daily high
30.2°C
Average daily low
22.8°C
Annual rainfall
2,250mm
Sunshine / day
9.5h
Mean relative humidity
86%
Average peak wind
9.4km/h
Seasonal range
1.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
191 d/yr
Rainy days (≥ 1 mm)
293 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.1 °C
Average feels-like low
27.2 °C
Average peak gust
29.0 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °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
39.9 °C
16 October 1963
Coldest day
18.6 °C
21 July 1981
Wettest day
216 mm
24 May 2020
Windiest day
21.7 km/h
16 January 1965
Strongest gust
52.6 km/h
5 July 1979
Hottest feels-like
45.6 °C
14 October 1997
Coldest feels-like
18.7 °C
19 July 1975
Sunniest day
12.0 h
4 April 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 | 30.1 °C | +0.8 °C | 157 mm | -84 mm |
| Feb | 29.4 °C | +0.1 °C | 381 mm | +138 mm |
| Mar | 29.7 °C | +0.3 °C | 331 mm | +30 mm |
| Apr | 30.4 °C | +1.1 °C | 269 mm | -30 mm |
| May | 30.7 °C | +1.4 °C | 178 mm | -69 mm |
| Jun | 30.5 °C | +0.9 °C | 145 mm | +12 mm |
| Jul | 31.2 °C | +1.1 °C | 65 mm | -27 mm |
| Aug | 32.8 °C | +1.4 °C | 66 mm | -20 mm |
| Sep | 33.5 °C | +1.5 °C | 50 mm | -46 mm |
| Oct | 32.2 °C | +0.2 °C | 109 mm | -17 mm |
| Nov | 32.6 °C | +1.5 °C | 200 mm | +31 mm |
| Dec | 31.4 °C | +1.5 °C | 289 mm | +71 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 Rio Preto da Eva?
Rio Preto da Eva has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.9 °C and it receives 2,250 mm of precipitation per year.
What is the hottest day ever recorded in Rio Preto da Eva?
The hottest day measured in Rio Preto da Eva between 1940 and 2025 was 16 October 1963, reaching 39.9 °C.
What is the coldest day in Rio Preto da Eva?
The coldest day measured in Rio Preto da Eva between 1940 and 2025 was 21 July 1981, at 18.6 °C.
Does it snow in Rio Preto da Eva?
Almost never: Rio Preto da Eva sees virtually no snow, with about 0 frost days per year.
Has the climate of Rio Preto da Eva warmed?
Yes: Rio Preto da Eva warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rio Preto da Eva?
The wettest day measured in Rio Preto da Eva between 1940 and 2025 was 24 May 2020, with 216 mm of rain in 24 hours.
What was the windiest day in Rio Preto da Eva?
The windiest day measured in Rio Preto da Eva between 1940 and 2025 was 16 January 1965, with winds reaching 21.7 km/h.
What is the warmest month in Rio Preto da Eva?
The warmest month in Rio Preto da Eva is October (27.1 °C on average); the coldest is January (25.4 °C).
How much does it rain in Rio Preto da Eva?
Rio Preto da Eva receives on average 2,250 mm of precipitation per year, spread over about 293 rainy days.
Is it sunny in Rio Preto da Eva?
Rio Preto da Eva gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
Are there tropical nights in Rio Preto da Eva?
Yes: Rio Preto da Eva has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rio Preto da Eva?
In Rio Preto da Eva, between 1940 and 2025, the highest apparent temperature reached 45.6 °C on 14 October 1997, and the lowest was 18.7 °C on 19 July 1975.
Compare Rio Preto da Eva with another city
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Nearby cities
The climate around Rio Preto da Eva