Rio Tinto climate — normals and trends
Rio Tinto (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.6 °C and it receives 1,202 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 (26.4 °C on average) and the coldest is July (24.3 °C). Rainfall peaks in April.
Rio Tinto averages 0 frost days, 1 hot days (≥ 30 °C) and 257 rainy days per year.
Rio Tinto has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.0 °C (on 20 March 1988) and the coldest 20.9 °C (on 1 August 1986).
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 TintoParaíba
- coords
- -6.80°, -35.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.6°C
Average daily high
27.4°C
Average daily low
24.0°C
Annual rainfall
1,202mm
Sunshine / day
11.1h
Mean relative humidity
80%
Average peak wind
23.0km/h
Seasonal range
2.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
257 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.2 °C
Average feels-like low
26.3 °C
Average peak gust
38.2 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
19.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.61 · 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
31.0 °C
20 March 1988
Coldest day
20.9 °C
1 August 1986
Wettest day
138 mm
30 June 1995
Windiest day
37.8 km/h
23 July 1975
Strongest gust
59.8 km/h
19 August 1947
Hottest feels-like
37.9 °C
2 April 2024
Coldest feels-like
20.4 °C
31 July 1981
Sunniest day
12.4 h
2 January 1941
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 | 28.6 °C | +0.5 °C | 99 mm | +21 mm |
| Feb | 28.5 °C | +0.3 °C | 130 mm | +29 mm |
| Mar | 28.6 °C | +0.4 °C | 143 mm | -5 mm |
| Apr | 28.8 °C | +0.8 °C | 107 mm | -60 mm |
| May | 28.1 °C | +0.6 °C | 162 mm | +0 mm |
| Jun | 27.1 °C | +0.4 °C | 172 mm | +14 mm |
| Jul | 26.0 °C | -0.1 °C | 174 mm | +34 mm |
| Aug | 26.4 °C | +0.2 °C | 127 mm | +50 mm |
| Sep | 26.9 °C | +0.2 °C | 60 mm | +7 mm |
| Oct | 27.4 °C | +0.1 °C | 53 mm | +14 mm |
| Nov | 28.0 °C | +0.2 °C | 21 mm | -11 mm |
| Dec | 28.3 °C | +0.3 °C | 31 mm | -17 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 Tinto?
Rio Tinto has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.6 °C and it receives 1,202 mm of precipitation per year.
What is the hottest day ever recorded in Rio Tinto?
The hottest day measured in Rio Tinto between 1940 and 2025 was 20 March 1988, reaching 31.0 °C.
What is the coldest day in Rio Tinto?
The coldest day measured in Rio Tinto between 1940 and 2025 was 1 August 1986, at 20.9 °C.
Does it snow in Rio Tinto?
Almost never: Rio Tinto sees virtually no snow, with about 0 frost days per year.
Has the climate of Rio Tinto warmed?
Yes: Rio Tinto warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rio Tinto?
The wettest day measured in Rio Tinto between 1940 and 2025 was 30 June 1995, with 138 mm of rain in 24 hours.
What was the windiest day in Rio Tinto?
The windiest day measured in Rio Tinto between 1940 and 2025 was 23 July 1975, with winds reaching 37.8 km/h.
What is the warmest month in Rio Tinto?
The warmest month in Rio Tinto is February (26.4 °C on average); the coldest is July (24.3 °C).
How much does it rain in Rio Tinto?
Rio Tinto receives on average 1,202 mm of precipitation per year, spread over about 257 rainy days.
Is it sunny in Rio Tinto?
Rio Tinto gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
Are there tropical nights in Rio Tinto?
Yes: Rio Tinto 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 Tinto?
In Rio Tinto, between 1940 and 2025, the highest apparent temperature reached 37.9 °C on 2 April 2024, and the lowest was 20.4 °C on 31 July 1981.
Compare Rio Tinto with another city
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Nearby cities
The climate around Rio Tinto