Acopiara climate — normals and trends
Acopiara (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.8 °C and it receives 810 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 November (28.5 °C on average) and the coldest is April (25.4 °C). Rainfall peaks in March.
Acopiara averages 0 frost days, 274 hot days (≥ 30 °C) and 119 rainy days per year.
Acopiara 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 38.8 °C (on 31 October 2023) and the coldest 16.8 °C (on 4 July 1974).
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
AcopiaraCeará
- coords
- -6.10°, -39.45°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.8°C
Average daily high
31.9°C
Average daily low
22.4°C
Annual rainfall
810mm
Sunshine / day
10.6h
Mean relative humidity
64%
Average peak wind
19.1km/h
Seasonal range
3.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
274 d/yr
Rainy days (≥ 1 mm)
119 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.8 °C
Average feels-like low
24.4 °C
Average peak gust
36.8 km/h
Tropical nights (≥ 20 °C)
356 d/yr
Solar radiation
20.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.18 · 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
38.8 °C
31 October 2023
Coldest day
16.8 °C
4 July 1974
Wettest day
229 mm
11 February 2017
Windiest day
34.5 km/h
4 July 2017
Strongest gust
61.2 km/h
1 August 2021
Hottest feels-like
40.8 °C
31 October 2023
Coldest feels-like
15.4 °C
4 July 1974
Sunniest day
12.4 h
11 December 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 | 32.1 °C | -0.1 °C | 193 mm | +83 mm |
| Feb | 31.6 °C | +0.6 °C | 66 mm | -75 mm |
| Mar | 30.4 °C | +0.3 °C | 135 mm | -58 mm |
| Apr | 30.6 °C | +0.9 °C | 69 mm | -93 mm |
| May | 31.6 °C | +1.8 °C | 37 mm | -51 mm |
| Jun | 31.8 °C | +1.6 °C | 16 mm | -17 mm |
| Jul | 32.6 °C | +1.6 °C | 4 mm | -12 mm |
| Aug | 33.2 °C | +0.8 °C | 4 mm | -2 mm |
| Sep | 34.2 °C | +0.5 °C | 0 mm | -4 mm |
| Oct | 35.3 °C | +0.8 °C | 2 mm | -8 mm |
| Nov | 35.2 °C | +0.8 °C | 1 mm | -10 mm |
| Dec | 33.9 °C | +0.1 °C | 16 mm | -21 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 Acopiara?
Acopiara has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.8 °C and it receives 810 mm of precipitation per year.
What is the hottest day ever recorded in Acopiara?
The hottest day measured in Acopiara between 1940 and 2025 was 31 October 2023, reaching 38.8 °C.
What is the coldest day in Acopiara?
The coldest day measured in Acopiara between 1940 and 2025 was 4 July 1974, at 16.8 °C.
Does it snow in Acopiara?
Almost never: Acopiara sees virtually no snow, with about 0 frost days per year.
Has the climate of Acopiara warmed?
Yes: Acopiara warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Acopiara?
The wettest day measured in Acopiara between 1940 and 2025 was 11 February 2017, with 229 mm of rain in 24 hours.
What was the windiest day in Acopiara?
The windiest day measured in Acopiara between 1940 and 2025 was 4 July 2017, with winds reaching 34.5 km/h.
What is the warmest month in Acopiara?
The warmest month in Acopiara is November (28.5 °C on average); the coldest is April (25.4 °C).
How much does it rain in Acopiara?
Acopiara receives on average 810 mm of precipitation per year, spread over about 119 rainy days.
Is it sunny in Acopiara?
Acopiara gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
Are there tropical nights in Acopiara?
Yes: Acopiara has on average 356 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Acopiara?
In Acopiara, between 1940 and 2025, the highest apparent temperature reached 40.8 °C on 31 October 2023, and the lowest was 15.4 °C on 4 July 1974.
Compare Acopiara with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Acopiara