Caiapônia climate — normals and trends
Caiapônia (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.0 °C and it receives 1,487 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 (25.2 °C on average) and the coldest is June (21.1 °C). Rainfall peaks in January.
Caiapônia averages 0 frost days, 103 hot days (≥ 30 °C) and 169 rainy days per year.
Caiapônia has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.9 °C (on 3 October 2020) and the coldest 3.8 °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
CaiapôniaGoiás
- coords
- -16.96°, -51.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.0°C
Average daily high
28.6°C
Average daily low
18.3°C
Annual rainfall
1,487mm
Sunshine / day
10.2h
Mean relative humidity
70%
Average peak wind
12.4km/h
Seasonal range
4.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
103 d/yr
Rainy days (≥ 1 mm)
169 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.0 °C
Average feels-like low
19.3 °C
Average peak gust
29.9 km/h
Tropical nights (≥ 20 °C)
89 d/yr
Solar radiation
18.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.55 · 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
39.9 °C
3 October 2020
Coldest day
3.8 °C
18 July 1975
Wettest day
137 mm
15 January 1983
Windiest day
33.4 km/h
26 December 1986
Strongest gust
69.1 km/h
28 January 1965
Hottest feels-like
40.9 °C
24 February 1991
Coldest feels-like
-1.5 °C
18 July 1975
Sunniest day
13.0 h
4 January 1941
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 | 28.7 °C | +1.2 °C | 353 mm | +78 mm |
| Feb | 29.1 °C | +1.4 °C | 105 mm | -125 mm |
| Mar | 30.5 °C | +2.7 °C | 60 mm | -141 mm |
| Apr | 29.3 °C | +1.3 °C | 75 mm | -14 mm |
| May | 28.5 °C | +0.9 °C | 11 mm | -19 mm |
| Jun | 28.7 °C | +1.1 °C | 16 mm | +9 mm |
| Jul | 28.9 °C | +0.7 °C | 0 mm | -6 mm |
| Aug | 31.5 °C | +1.0 °C | 0 mm | -8 mm |
| Sep | 34.2 °C | +2.4 °C | 39 mm | -1 mm |
| Oct | 32.4 °C | +2.0 °C | 62 mm | -64 mm |
| Nov | 31.0 °C | +2.6 °C | 96 mm | -114 mm |
| Dec | 27.8 °C | +0.3 °C | 231 mm | -37 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 Caiapônia?
Caiapônia has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.0 °C and it receives 1,487 mm of precipitation per year.
What is the hottest day ever recorded in Caiapônia?
The hottest day measured in Caiapônia between 1940 and 2025 was 3 October 2020, reaching 39.9 °C.
What is the coldest day in Caiapônia?
The coldest day measured in Caiapônia between 1940 and 2025 was 18 July 1975, at 3.8 °C.
Does it snow in Caiapônia?
Almost never: Caiapônia sees virtually no snow, with about 0 frost days per year.
Has the climate of Caiapônia warmed?
Yes: Caiapônia warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Caiapônia?
The wettest day measured in Caiapônia between 1940 and 2025 was 15 January 1983, with 137 mm of rain in 24 hours.
What was the windiest day in Caiapônia?
The windiest day measured in Caiapônia between 1940 and 2025 was 26 December 1986, with winds reaching 33.4 km/h.
What is the warmest month in Caiapônia?
The warmest month in Caiapônia is September (25.2 °C on average); the coldest is June (21.1 °C).
How much does it rain in Caiapônia?
Caiapônia receives on average 1,487 mm of precipitation per year, spread over about 169 rainy days.
Is it sunny in Caiapônia?
Caiapônia gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Caiapônia?
Yes: Caiapônia has on average 89 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Caiapônia?
In Caiapônia, between 1940 and 2025, the highest apparent temperature reached 40.9 °C on 24 February 1991, and the lowest was -1.5 °C on 18 July 1975.
Compare Caiapônia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Caiapônia