Chapada dos Guimarães climate — normals and trends
Chapada dos Guimarães (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.2 °C and it receives 1,521 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 (26.8 °C on average) and the coldest is June (23.0 °C). Rainfall peaks in January.
Chapada dos Guimarães averages 0 frost days, 223 hot days (≥ 30 °C) and 179 rainy days per year.
Chapada dos Guimarães has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.8 °C (on 25 October 1963) and the coldest 5.8 °C (on 21 August 1965).
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
Chapada dos GuimarãesMato Grosso
- coords
- -15.46°, -55.75°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.2°C
Average daily high
30.6°C
Average daily low
20.9°C
Annual rainfall
1,521mm
Sunshine / day
10.3h
Mean relative humidity
73%
Average peak wind
10.6km/h
Seasonal range
3.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
223 d/yr
Rainy days (≥ 1 mm)
179 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.7 °C
Average feels-like low
23.2 °C
Average peak gust
28.6 km/h
Tropical nights (≥ 20 °C)
265 d/yr
Solar radiation
18.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.34 · 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
41.8 °C
25 October 1963
Coldest day
5.8 °C
21 August 1965
Wettest day
153 mm
17 December 1951
Windiest day
30.9 km/h
28 September 1961
Strongest gust
81.0 km/h
11 December 1947
Hottest feels-like
45.4 °C
20 October 1999
Coldest feels-like
2.1 °C
21 August 1965
Sunniest day
12.9 h
5 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 | 29.8 °C | -0.1 °C | 213 mm | -49 mm |
| Feb | 30.4 °C | +0.5 °C | 136 mm | -107 mm |
| Mar | 30.9 °C | +0.9 °C | 151 mm | -70 mm |
| Apr | 29.9 °C | -0.1 °C | 160 mm | +36 mm |
| May | 30.2 °C | +1.0 °C | 26 mm | -18 mm |
| Jun | 29.6 °C | +0.2 °C | 13 mm | +3 mm |
| Jul | 30.0 °C | -0.1 °C | 0 mm | -8 mm |
| Aug | 31.9 °C | -0.3 °C | 2 mm | -9 mm |
| Sep | 35.4 °C | +2.3 °C | 11 mm | -34 mm |
| Oct | 33.1 °C | +1.0 °C | 27 mm | -103 mm |
| Nov | 32.8 °C | +2.1 °C | 63 mm | -126 mm |
| Dec | 30.1 °C | +0.1 °C | 192 mm | -45 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 Chapada dos Guimarães?
Chapada dos Guimarães has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.2 °C and it receives 1,521 mm of precipitation per year.
What is the hottest day ever recorded in Chapada dos Guimarães?
The hottest day measured in Chapada dos Guimarães between 1940 and 2025 was 25 October 1963, reaching 41.8 °C.
What is the coldest day in Chapada dos Guimarães?
The coldest day measured in Chapada dos Guimarães between 1940 and 2025 was 21 August 1965, at 5.8 °C.
Does it snow in Chapada dos Guimarães?
Almost never: Chapada dos Guimarães sees virtually no snow, with about 0 frost days per year.
Has the climate of Chapada dos Guimarães warmed?
Yes: Chapada dos Guimarães warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chapada dos Guimarães?
The wettest day measured in Chapada dos Guimarães between 1940 and 2025 was 17 December 1951, with 153 mm of rain in 24 hours.
What was the windiest day in Chapada dos Guimarães?
The windiest day measured in Chapada dos Guimarães between 1940 and 2025 was 28 September 1961, with winds reaching 30.9 km/h.
What is the warmest month in Chapada dos Guimarães?
The warmest month in Chapada dos Guimarães is September (26.8 °C on average); the coldest is June (23.0 °C).
How much does it rain in Chapada dos Guimarães?
Chapada dos Guimarães receives on average 1,521 mm of precipitation per year, spread over about 179 rainy days.
Is it sunny in Chapada dos Guimarães?
Chapada dos Guimarães gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Chapada dos Guimarães?
Yes: Chapada dos Guimarães has on average 265 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chapada dos Guimarães?
In Chapada dos Guimarães, between 1940 and 2025, the highest apparent temperature reached 45.4 °C on 20 October 1999, and the lowest was 2.1 °C on 21 August 1965.
Compare Chapada dos Guimarães with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chapada dos Guimarães