Silvânia climate — normals and trends
Silvânia (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 22.2 °C and it receives 1,543 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 (24.0 °C on average) and the coldest is June (19.9 °C). Rainfall peaks in December.
Silvânia averages 0 frost days, 64 hot days (≥ 30 °C) and 163 rainy days per year.
Silvânia 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 38.7 °C (on 19 October 1963) and the coldest 4.2 °C (on 1 June 1979).
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
SilvâniaGoiás
- coords
- -16.67°, -48.61°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.2°C
Average daily high
27.7°C
Average daily low
17.6°C
Annual rainfall
1,543mm
Sunshine / day
10.3h
Mean relative humidity
68%
Average peak wind
12.8km/h
Seasonal range
4.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
64 d/yr
Rainy days (≥ 1 mm)
163 d/yr
Annual snowfall
0.0 cm
Average feels-like high
29.5 °C
Average feels-like low
18.1 °C
Average peak gust
31.2 km/h
Tropical nights (≥ 20 °C)
34 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 = 0.56 · 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
38.7 °C
19 October 1963
Coldest day
4.2 °C
1 June 1979
Wettest day
99 mm
24 January 1958
Windiest day
33.7 km/h
13 January 1978
Strongest gust
72.0 km/h
28 December 1958
Hottest feels-like
39.5 °C
19 October 1963
Coldest feels-like
0.7 °C
9 June 1985
Sunniest day
12.8 h
22 January 2025
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 | 27.6 °C | +0.3 °C | 266 mm | +18 mm |
| Feb | 28.9 °C | +1.4 °C | 76 mm | -136 mm |
| Mar | 29.5 °C | +2.0 °C | 129 mm | -82 mm |
| Apr | 28.0 °C | +0.6 °C | 112 mm | +12 mm |
| May | 26.4 °C | -0.1 °C | 2 mm | -27 mm |
| Jun | 26.8 °C | +0.7 °C | 1 mm | -6 mm |
| Jul | 26.8 °C | +0.4 °C | 0 mm | -5 mm |
| Aug | 29.2 °C | +0.5 °C | 0 mm | -8 mm |
| Sep | 30.9 °C | +0.5 °C | 41 mm | -0 mm |
| Oct | 30.4 °C | +1.0 °C | 48 mm | -114 mm |
| Nov | 30.2 °C | +2.5 °C | 91 mm | -152 mm |
| Dec | 27.6 °C | +0.5 °C | 234 mm | -44 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 Silvânia?
Silvânia has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 22.2 °C and it receives 1,543 mm of precipitation per year.
What is the hottest day ever recorded in Silvânia?
The hottest day measured in Silvânia between 1940 and 2025 was 19 October 1963, reaching 38.7 °C.
What is the coldest day in Silvânia?
The coldest day measured in Silvânia between 1940 and 2025 was 1 June 1979, at 4.2 °C.
Does it snow in Silvânia?
Almost never: Silvânia sees virtually no snow, with about 0 frost days per year.
Has the climate of Silvânia warmed?
Yes: Silvânia warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Silvânia?
The wettest day measured in Silvânia between 1940 and 2025 was 24 January 1958, with 99 mm of rain in 24 hours.
What was the windiest day in Silvânia?
The windiest day measured in Silvânia between 1940 and 2025 was 13 January 1978, with winds reaching 33.7 km/h.
What is the warmest month in Silvânia?
The warmest month in Silvânia is September (24.0 °C on average); the coldest is June (19.9 °C).
How much does it rain in Silvânia?
Silvânia receives on average 1,543 mm of precipitation per year, spread over about 163 rainy days.
Is it sunny in Silvânia?
Silvânia gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Silvânia?
Yes: Silvânia has on average 34 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Silvânia?
In Silvânia, between 1940 and 2025, the highest apparent temperature reached 39.5 °C on 19 October 1963, and the lowest was 0.7 °C on 9 June 1985.
Compare Silvânia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Silvânia