Cerejeiras climate — normals and trends
Cerejeiras (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.7 °C and it receives 1,773 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 (26.2 °C on average) and the coldest is June (23.3 °C). Rainfall peaks in January.
Cerejeiras averages 0 frost days, 197 hot days (≥ 30 °C) and 209 rainy days per year.
Cerejeiras has warmed by +0.8 °C between 1940 and 2025, or +0.10 °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 8.0 °C (on 18 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
CerejeirasRondônia
- coords
- -13.19°, -60.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.7°C
Average daily high
30.2°C
Average daily low
20.9°C
Annual rainfall
1,773mm
Sunshine / day
10.0h
Mean relative humidity
80%
Average peak wind
9.7km/h
Seasonal range
2.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
197 d/yr
Rainy days (≥ 1 mm)
209 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.9 °C
Average feels-like low
23.7 °C
Average peak gust
27.7 km/h
Tropical nights (≥ 20 °C)
278 d/yr
Solar radiation
18.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.27 · 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
8.0 °C
18 July 1975
Wettest day
143 mm
21 January 1965
Windiest day
32.8 km/h
21 January 1965
Strongest gust
69.8 km/h
21 January 1965
Hottest feels-like
44.4 °C
10 February 2016
Coldest feels-like
3.3 °C
18 July 1975
Sunniest day
12.6 h
14 January 1946
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 | 29.4 °C | +0.2 °C | 228 mm | -68 mm |
| Feb | 29.8 °C | +0.7 °C | 158 mm | -112 mm |
| Mar | 29.6 °C | +0.3 °C | 257 mm | +11 mm |
| Apr | 29.5 °C | +0.2 °C | 179 mm | +36 mm |
| May | 30.3 °C | +1.5 °C | 51 mm | -15 mm |
| Jun | 29.7 °C | +0.3 °C | 19 mm | -1 mm |
| Jul | 30.6 °C | 0.0 °C | 0 mm | -13 mm |
| Aug | 32.6 °C | +0.2 °C | 9 mm | -16 mm |
| Sep | 34.1 °C | +1.5 °C | 57 mm | -14 mm |
| Oct | 31.9 °C | +0.3 °C | 119 mm | -32 mm |
| Nov | 31.1 °C | +0.8 °C | 222 mm | +14 mm |
| Dec | 28.9 °C | -0.5 °C | 415 mm | +150 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 Cerejeiras?
Cerejeiras has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.7 °C and it receives 1,773 mm of precipitation per year.
What is the hottest day ever recorded in Cerejeiras?
The hottest day measured in Cerejeiras between 1940 and 2025 was 18 October 1963, reaching 41.1 °C.
What is the coldest day in Cerejeiras?
The coldest day measured in Cerejeiras between 1940 and 2025 was 18 July 1975, at 8.0 °C.
Does it snow in Cerejeiras?
Almost never: Cerejeiras sees virtually no snow, with about 0 frost days per year.
Has the climate of Cerejeiras warmed?
Yes: Cerejeiras warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cerejeiras?
The wettest day measured in Cerejeiras between 1940 and 2025 was 21 January 1965, with 143 mm of rain in 24 hours.
What was the windiest day in Cerejeiras?
The windiest day measured in Cerejeiras between 1940 and 2025 was 21 January 1965, with winds reaching 32.8 km/h.
What is the warmest month in Cerejeiras?
The warmest month in Cerejeiras is September (26.2 °C on average); the coldest is June (23.3 °C).
How much does it rain in Cerejeiras?
Cerejeiras receives on average 1,773 mm of precipitation per year, spread over about 209 rainy days.
Is it sunny in Cerejeiras?
Cerejeiras gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Cerejeiras?
Yes: Cerejeiras has on average 278 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Cerejeiras?
In Cerejeiras, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 10 February 2016, and the lowest was 3.3 °C on 18 July 1975.
Compare Cerejeiras with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cerejeiras