Acreúna climate — normals and trends
Acreúna (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.1 °C and it receives 1,288 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 (21.5 °C). Rainfall peaks in December.
Acreúna averages 0 frost days, 171 hot days (≥ 30 °C) and 158 rainy days per year.
Acreúna has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.6 °C (on 4 October 2020) and the coldest 4.7 °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
AcreúnaGoiás
- coords
- -17.40°, -50.38°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.1°C
Average daily high
29.9°C
Average daily low
19.4°C
Annual rainfall
1,288mm
Sunshine / day
10.4h
Mean relative humidity
68%
Average peak wind
11.2km/h
Seasonal range
4.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
171 d/yr
Rainy days (≥ 1 mm)
158 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.7 °C
Average feels-like low
20.8 °C
Average peak gust
27.6 km/h
Tropical nights (≥ 20 °C)
194 d/yr
Solar radiation
19.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °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
41.6 °C
4 October 2020
Coldest day
4.7 °C
21 July 1981
Wettest day
135 mm
23 March 1981
Windiest day
31.6 km/h
25 December 1986
Strongest gust
68.4 km/h
25 December 1986
Hottest feels-like
43.0 °C
13 November 2015
Coldest feels-like
0.1 °C
18 July 1975
Sunniest day
13.0 h
6 January 1941
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 | 30.1 °C | +0.9 °C | 183 mm | -35 mm |
| Feb | 30.4 °C | +1.0 °C | 89 mm | -95 mm |
| Mar | 31.7 °C | +2.3 °C | 48 mm | -131 mm |
| Apr | 30.4 °C | +1.1 °C | 90 mm | +11 mm |
| May | 29.4 °C | +0.9 °C | 11 mm | -16 mm |
| Jun | 29.4 °C | +1.1 °C | 13 mm | +6 mm |
| Jul | 29.1 °C | +0.3 °C | 0 mm | -6 mm |
| Aug | 32.0 °C | +0.8 °C | 1 mm | -8 mm |
| Sep | 35.1 °C | +2.1 °C | 23 mm | -17 mm |
| Oct | 33.9 °C | +2.0 °C | 53 mm | -79 mm |
| Nov | 32.7 °C | +2.6 °C | 112 mm | -74 mm |
| Dec | 30.0 °C | +0.8 °C | 184 mm | -39 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 Acreúna?
Acreúna has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.1 °C and it receives 1,288 mm of precipitation per year.
What is the hottest day ever recorded in Acreúna?
The hottest day measured in Acreúna between 1940 and 2025 was 4 October 2020, reaching 41.6 °C.
What is the coldest day in Acreúna?
The coldest day measured in Acreúna between 1940 and 2025 was 21 July 1981, at 4.7 °C.
Does it snow in Acreúna?
Almost never: Acreúna sees virtually no snow, with about 0 frost days per year.
Has the climate of Acreúna warmed?
Yes: Acreúna warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Acreúna?
The wettest day measured in Acreúna between 1940 and 2025 was 23 March 1981, with 135 mm of rain in 24 hours.
What was the windiest day in Acreúna?
The windiest day measured in Acreúna between 1940 and 2025 was 25 December 1986, with winds reaching 31.6 km/h.
What is the warmest month in Acreúna?
The warmest month in Acreúna is September (26.2 °C on average); the coldest is June (21.5 °C).
How much does it rain in Acreúna?
Acreúna receives on average 1,288 mm of precipitation per year, spread over about 158 rainy days.
Is it sunny in Acreúna?
Acreúna gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Acreúna?
Yes: Acreúna has on average 194 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Acreúna?
In Acreúna, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 13 November 2015, and the lowest was 0.1 °C on 18 July 1975.
Compare Acreúna with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Acreúna