Alto Paraíso climate — normals and trends
Alto Paraíso (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.6 °C and it receives 1,983 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 September (26.9 °C on average) and the coldest is May (24.9 °C). Rainfall peaks in January.
Alto Paraíso averages 0 frost days, 233 hot days (≥ 30 °C) and 236 rainy days per year.
Alto Paraíso has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.3 °C (on 15 September 1961) and the coldest 11.1 °C (on 19 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
Alto ParaísoRondônia
- coords
- -9.72°, -63.31°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.6°C
Average daily high
30.9°C
Average daily low
22.0°C
Annual rainfall
1,983mm
Sunshine / day
9.4h
Mean relative humidity
83%
Average peak wind
8.3km/h
Seasonal range
2.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
233 d/yr
Rainy days (≥ 1 mm)
236 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.6 °C
Average feels-like low
25.8 °C
Average peak gust
25.4 km/h
Tropical nights (≥ 20 °C)
336 d/yr
Solar radiation
17.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.49 · 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
40.3 °C
15 September 1961
Coldest day
11.1 °C
19 July 1975
Wettest day
130 mm
11 April 2019
Windiest day
23.7 km/h
14 August 1978
Strongest gust
58.7 km/h
19 August 2022
Hottest feels-like
46.1 °C
24 October 2015
Coldest feels-like
6.6 °C
18 July 1975
Sunniest day
12.6 h
4 January 1949
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 | 30.3 °C | +0.5 °C | 247 mm | -52 mm |
| Feb | 30.3 °C | +0.7 °C | 232 mm | -52 mm |
| Mar | 30.4 °C | +0.7 °C | 363 mm | +83 mm |
| Apr | 30.8 °C | +1.1 °C | 243 mm | +46 mm |
| May | 31.1 °C | +1.5 °C | 92 mm | -13 mm |
| Jun | 32.0 °C | +1.4 °C | 30 mm | -1 mm |
| Jul | 33.8 °C | +1.4 °C | 0 mm | -17 mm |
| Aug | 34.6 °C | +0.9 °C | 16 mm | -25 mm |
| Sep | 34.5 °C | +1.3 °C | 55 mm | -36 mm |
| Oct | 33.4 °C | +1.3 °C | 125 mm | -33 mm |
| Nov | 32.0 °C | +1.2 °C | 226 mm | +10 mm |
| Dec | 30.0 °C | 0.0 °C | 373 mm | +109 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 Alto Paraíso?
Alto Paraíso has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.6 °C and it receives 1,983 mm of precipitation per year.
What is the hottest day ever recorded in Alto Paraíso?
The hottest day measured in Alto Paraíso between 1940 and 2025 was 15 September 1961, reaching 40.3 °C.
What is the coldest day in Alto Paraíso?
The coldest day measured in Alto Paraíso between 1940 and 2025 was 19 July 1975, at 11.1 °C.
Does it snow in Alto Paraíso?
Almost never: Alto Paraíso sees virtually no snow, with about 0 frost days per year.
Has the climate of Alto Paraíso warmed?
Yes: Alto Paraíso warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Alto Paraíso?
The wettest day measured in Alto Paraíso between 1940 and 2025 was 11 April 2019, with 130 mm of rain in 24 hours.
What was the windiest day in Alto Paraíso?
The windiest day measured in Alto Paraíso between 1940 and 2025 was 14 August 1978, with winds reaching 23.7 km/h.
What is the warmest month in Alto Paraíso?
The warmest month in Alto Paraíso is September (26.9 °C on average); the coldest is May (24.9 °C).
How much does it rain in Alto Paraíso?
Alto Paraíso receives on average 1,983 mm of precipitation per year, spread over about 236 rainy days.
Is it sunny in Alto Paraíso?
Alto Paraíso gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
Are there tropical nights in Alto Paraíso?
Yes: Alto Paraíso has on average 336 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Alto Paraíso?
In Alto Paraíso, between 1940 and 2025, the highest apparent temperature reached 46.1 °C on 24 October 2015, and the lowest was 6.6 °C on 18 July 1975.
Compare Alto Paraíso with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Alto Paraíso