Rorainópolis climate — normals and trends
Rorainópolis (Brazil) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.7 °C and it receives 2,516 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 March (26.4 °C on average) and the coldest is June (24.7 °C). Rainfall peaks in May.
Rorainópolis averages 0 frost days, 180 hot days (≥ 30 °C) and 266 rainy days per year.
Rorainópolis has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.6 °C (on 2 October 2023) and the coldest 18.8 °C (on 21 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
RorainópolisRoraima
- coords
- 0.95°, -60.42°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.7°C
Average daily high
30.0°C
Average daily low
22.8°C
Annual rainfall
2,516mm
Sunshine / day
9.1h
Mean relative humidity
86%
Average peak wind
8.6km/h
Seasonal range
1.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
180 d/yr
Rainy days (≥ 1 mm)
266 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.7 °C
Average feels-like low
26.9 °C
Average peak gust
28.7 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
16.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.60 · 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
38.6 °C
2 October 2023
Coldest day
18.8 °C
21 July 1975
Wettest day
191 mm
24 December 2020
Windiest day
21.7 km/h
27 February 1965
Strongest gust
55.4 km/h
18 December 2015
Hottest feels-like
45.7 °C
14 October 1997
Coldest feels-like
20.1 °C
20 July 1975
Sunniest day
12.0 h
1 May 1940
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 | 32.7 °C | +2.5 °C | 103 mm | -23 mm |
| Feb | 30.7 °C | 0.0 °C | 99 mm | -15 mm |
| Mar | 30.7 °C | -0.1 °C | 271 mm | +87 mm |
| Apr | 30.3 °C | +0.8 °C | 418 mm | +83 mm |
| May | 29.4 °C | +0.7 °C | 502 mm | +63 mm |
| Jun | 30.2 °C | +1.6 °C | 272 mm | -53 mm |
| Jul | 29.9 °C | +1.1 °C | 261 mm | +25 mm |
| Aug | 31.6 °C | +1.8 °C | 133 mm | -40 mm |
| Sep | 33.9 °C | +3.0 °C | 45 mm | -93 mm |
| Oct | 32.5 °C | +1.3 °C | 134 mm | +4 mm |
| Nov | 31.9 °C | +1.5 °C | 154 mm | -5 mm |
| Dec | 30.8 °C | +0.8 °C | 141 mm | -16 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 Rorainópolis?
Rorainópolis has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.7 °C and it receives 2,516 mm of precipitation per year.
What is the hottest day ever recorded in Rorainópolis?
The hottest day measured in Rorainópolis between 1940 and 2025 was 2 October 2023, reaching 38.6 °C.
What is the coldest day in Rorainópolis?
The coldest day measured in Rorainópolis between 1940 and 2025 was 21 July 1975, at 18.8 °C.
Does it snow in Rorainópolis?
Almost never: Rorainópolis sees virtually no snow, with about 0 frost days per year.
Has the climate of Rorainópolis warmed?
Yes: Rorainópolis warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rorainópolis?
The wettest day measured in Rorainópolis between 1940 and 2025 was 24 December 2020, with 191 mm of rain in 24 hours.
What was the windiest day in Rorainópolis?
The windiest day measured in Rorainópolis between 1940 and 2025 was 27 February 1965, with winds reaching 21.7 km/h.
What is the warmest month in Rorainópolis?
The warmest month in Rorainópolis is March (26.4 °C on average); the coldest is June (24.7 °C).
How much does it rain in Rorainópolis?
Rorainópolis receives on average 2,516 mm of precipitation per year, spread over about 266 rainy days.
Is it sunny in Rorainópolis?
Rorainópolis gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
Are there tropical nights in Rorainópolis?
Yes: Rorainópolis has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rorainópolis?
In Rorainópolis, between 1940 and 2025, the highest apparent temperature reached 45.7 °C on 14 October 1997, and the lowest was 20.1 °C on 20 July 1975.
Compare Rorainópolis with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rorainópolis