Goianira climate — normals and trends
Goianira (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.3 °C and it receives 1,305 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 (25.5 °C on average) and the coldest is June (21.4 °C). Rainfall peaks in December.
Goianira averages 0 frost days, 109 hot days (≥ 30 °C) and 158 rainy days per year.
Goianira has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.8 °C (on 16 October 1963) and the coldest 5.4 °C (on 9 June 1985).
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
GoianiraGoiás
- coords
- -16.50°, -49.43°
- 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
1,305mm
Sunshine / day
10.3h
Mean relative humidity
67%
Average peak wind
12.0km/h
Seasonal range
4.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
109 d/yr
Rainy days (≥ 1 mm)
158 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.3 °C
Average feels-like low
19.5 °C
Average peak gust
29.1 km/h
Tropical nights (≥ 20 °C)
101 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.50 · 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
39.8 °C
16 October 1963
Coldest day
5.4 °C
9 June 1985
Wettest day
140 mm
24 December 1999
Windiest day
31.8 km/h
13 January 1978
Strongest gust
65.9 km/h
25 December 1945
Hottest feels-like
40.8 °C
20 October 1963
Coldest feels-like
1.1 °C
9 June 1985
Sunniest day
12.9 h
4 January 1940
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 | 28.4 °C | +0.5 °C | 187 mm | -32 mm |
| Feb | 29.8 °C | +1.7 °C | 94 mm | -98 mm |
| Mar | 30.3 °C | +2.1 °C | 85 mm | -95 mm |
| Apr | 29.1 °C | +0.8 °C | 88 mm | +2 mm |
| May | 28.5 °C | +0.7 °C | 1 mm | -22 mm |
| Jun | 28.7 °C | +1.0 °C | 4 mm | -2 mm |
| Jul | 28.5 °C | +0.5 °C | 0 mm | -5 mm |
| Aug | 30.7 °C | +0.4 °C | 0 mm | -5 mm |
| Sep | 32.7 °C | +0.8 °C | 28 mm | -4 mm |
| Oct | 32.5 °C | +1.9 °C | 18 mm | -111 mm |
| Nov | 31.6 °C | +3.1 °C | 93 mm | -103 mm |
| Dec | 28.7 °C | +1.0 °C | 152 mm | -80 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 Goianira?
Goianira has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.3 °C and it receives 1,305 mm of precipitation per year.
What is the hottest day ever recorded in Goianira?
The hottest day measured in Goianira between 1940 and 2025 was 16 October 1963, reaching 39.8 °C.
What is the coldest day in Goianira?
The coldest day measured in Goianira between 1940 and 2025 was 9 June 1985, at 5.4 °C.
Does it snow in Goianira?
Almost never: Goianira sees virtually no snow, with about 0 frost days per year.
Has the climate of Goianira warmed?
Yes: Goianira warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Goianira?
The wettest day measured in Goianira between 1940 and 2025 was 24 December 1999, with 140 mm of rain in 24 hours.
What was the windiest day in Goianira?
The windiest day measured in Goianira between 1940 and 2025 was 13 January 1978, with winds reaching 31.8 km/h.
What is the warmest month in Goianira?
The warmest month in Goianira is September (25.5 °C on average); the coldest is June (21.4 °C).
How much does it rain in Goianira?
Goianira receives on average 1,305 mm of precipitation per year, spread over about 158 rainy days.
Is it sunny in Goianira?
Goianira gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Goianira?
Yes: Goianira has on average 101 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Goianira?
In Goianira, between 1940 and 2025, the highest apparent temperature reached 40.8 °C on 20 October 1963, and the lowest was 1.1 °C on 9 June 1985.
Compare Goianira with another city
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Nearby cities
The climate around Goianira