Goiatuba climate — normals and trends
Goiatuba (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.3 °C and it receives 1,502 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 (25.3 °C on average) and the coldest is June (20.7 °C). Rainfall peaks in December.
Goiatuba averages 0 frost days, 116 hot days (≥ 30 °C) and 165 rainy days per year.
Goiatuba 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 40.7 °C (on 18 October 1963) and the coldest 2.7 °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
GoiatubaGoiás
- coords
- -18.01°, -49.35°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.3°C
Average daily high
28.8°C
Average daily low
18.7°C
Annual rainfall
1,502mm
Sunshine / day
10.2h
Mean relative humidity
68%
Average peak wind
12.3km/h
Seasonal range
4.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
116 d/yr
Rainy days (≥ 1 mm)
165 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.3 °C
Average feels-like low
19.7 °C
Average peak gust
30.5 km/h
Tropical nights (≥ 20 °C)
138 d/yr
Solar radiation
19.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.59 · 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
40.7 °C
18 October 1963
Coldest day
2.7 °C
21 July 1981
Wettest day
141 mm
10 February 1958
Windiest day
27.6 km/h
20 August 2017
Strongest gust
68.8 km/h
26 December 1986
Hottest feels-like
41.4 °C
18 October 1963
Coldest feels-like
-0.6 °C
21 July 1981
Sunniest day
12.9 h
20 January 2025
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 | 29.1 °C | +0.6 °C | 249 mm | -9 mm |
| Feb | 30.0 °C | +1.4 °C | 82 mm | -143 mm |
| Mar | 30.6 °C | +2.0 °C | 104 mm | -101 mm |
| Apr | 29.2 °C | +0.8 °C | 124 mm | +34 mm |
| May | 27.8 °C | +0.4 °C | 5 mm | -25 mm |
| Jun | 27.9 °C | +0.8 °C | 10 mm | +2 mm |
| Jul | 27.9 °C | +0.4 °C | 0 mm | -8 mm |
| Aug | 30.5 °C | +0.6 °C | 2 mm | -7 mm |
| Sep | 32.9 °C | +1.2 °C | 25 mm | -15 mm |
| Oct | 31.9 °C | +1.1 °C | 45 mm | -99 mm |
| Nov | 32.0 °C | +2.9 °C | 95 mm | -126 mm |
| Dec | 29.6 °C | +1.2 °C | 200 mm | -62 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 Goiatuba?
Goiatuba has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.3 °C and it receives 1,502 mm of precipitation per year.
What is the hottest day ever recorded in Goiatuba?
The hottest day measured in Goiatuba between 1940 and 2025 was 18 October 1963, reaching 40.7 °C.
What is the coldest day in Goiatuba?
The coldest day measured in Goiatuba between 1940 and 2025 was 21 July 1981, at 2.7 °C.
Does it snow in Goiatuba?
Almost never: Goiatuba sees virtually no snow, with about 0 frost days per year.
Has the climate of Goiatuba warmed?
Yes: Goiatuba warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Goiatuba?
The wettest day measured in Goiatuba between 1940 and 2025 was 10 February 1958, with 141 mm of rain in 24 hours.
What was the windiest day in Goiatuba?
The windiest day measured in Goiatuba between 1940 and 2025 was 20 August 2017, with winds reaching 27.6 km/h.
What is the warmest month in Goiatuba?
The warmest month in Goiatuba is September (25.3 °C on average); the coldest is June (20.7 °C).
How much does it rain in Goiatuba?
Goiatuba receives on average 1,502 mm of precipitation per year, spread over about 165 rainy days.
Is it sunny in Goiatuba?
Goiatuba gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Goiatuba?
Yes: Goiatuba has on average 138 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Goiatuba?
In Goiatuba, between 1940 and 2025, the highest apparent temperature reached 41.4 °C on 18 October 1963, and the lowest was -0.6 °C on 21 July 1981.
Compare Goiatuba with another city
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Nearby cities
The climate around Goiatuba