Guapó climate — normals and trends
Guapó (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.4 °C and it receives 1,319 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 (25.7 °C on average) and the coldest is June (21.4 °C). Rainfall peaks in December.
Guapó averages 0 frost days, 119 hot days (≥ 30 °C) and 159 rainy days per year.
Guapó has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.9 °C (on 16 October 1963) and the coldest 5.4 °C (on 19 May 2022).
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
GuapóGoiás
- coords
- -16.83°, -49.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.4°C
Average daily high
28.9°C
Average daily low
18.8°C
Annual rainfall
1,319mm
Sunshine / day
10.4h
Mean relative humidity
67%
Average peak wind
12.3km/h
Seasonal range
4.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
119 d/yr
Rainy days (≥ 1 mm)
159 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.4 °C
Average feels-like low
19.7 °C
Average peak gust
29.5 km/h
Tropical nights (≥ 20 °C)
120 d/yr
Solar radiation
19.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.52 · 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
16 October 1963
Coldest day
5.4 °C
19 May 2022
Wettest day
159 mm
20 November 1994
Windiest day
32.6 km/h
13 January 1978
Strongest gust
68.0 km/h
20 January 1977
Hottest feels-like
41.0 °C
20 October 1963
Coldest feels-like
1.3 °C
9 June 1985
Sunniest day
12.9 h
14 January 2022
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 | 28.6 °C | +0.5 °C | 197 mm | -30 mm |
| Feb | 30.0 °C | +1.7 °C | 81 mm | -110 mm |
| Mar | 30.5 °C | +2.1 °C | 87 mm | -93 mm |
| Apr | 29.2 °C | +0.7 °C | 94 mm | +10 mm |
| May | 28.5 °C | +0.6 °C | 2 mm | -21 mm |
| Jun | 28.8 °C | +1.0 °C | 4 mm | -1 mm |
| Jul | 28.6 °C | +0.5 °C | 0 mm | -5 mm |
| Aug | 30.9 °C | +0.5 °C | 0 mm | -6 mm |
| Sep | 33.0 °C | +1.0 °C | 30 mm | -2 mm |
| Oct | 32.5 °C | +1.7 °C | 23 mm | -104 mm |
| Nov | 31.7 °C | +2.9 °C | 110 mm | -89 mm |
| Dec | 28.9 °C | +0.9 °C | 141 mm | -98 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 Guapó?
Guapó has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.4 °C and it receives 1,319 mm of precipitation per year.
What is the hottest day ever recorded in Guapó?
The hottest day measured in Guapó between 1940 and 2025 was 16 October 1963, reaching 39.9 °C.
What is the coldest day in Guapó?
The coldest day measured in Guapó between 1940 and 2025 was 19 May 2022, at 5.4 °C.
Does it snow in Guapó?
Almost never: Guapó sees virtually no snow, with about 0 frost days per year.
Has the climate of Guapó warmed?
Yes: Guapó warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Guapó?
The wettest day measured in Guapó between 1940 and 2025 was 20 November 1994, with 159 mm of rain in 24 hours.
What was the windiest day in Guapó?
The windiest day measured in Guapó between 1940 and 2025 was 13 January 1978, with winds reaching 32.6 km/h.
What is the warmest month in Guapó?
The warmest month in Guapó is September (25.7 °C on average); the coldest is June (21.4 °C).
How much does it rain in Guapó?
Guapó receives on average 1,319 mm of precipitation per year, spread over about 159 rainy days.
Is it sunny in Guapó?
Guapó gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Guapó?
Yes: Guapó has on average 120 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Guapó?
In Guapó, between 1940 and 2025, the highest apparent temperature reached 41.0 °C on 20 October 1963, and the lowest was 1.3 °C on 9 June 1985.
Compare Guapó with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Guapó