São Domingos do Araguaia climate — normals and trends
São Domingos do Araguaia (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.8 °C and it receives 1,635 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 (28.6 °C on average) and the coldest is February (25.5 °C). Rainfall peaks in March.
São Domingos do Araguaia averages 0 frost days, 253 hot days (≥ 30 °C) and 192 rainy days per year.
São Domingos do Araguaia has warmed by +0.4 °C between 1940 and 2025, or +0.05 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.8 °C (on 26 October 1958) and the coldest 16.4 °C (on 1 August 2020).
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
São Domingos do AraguaiaPará
- coords
- -5.54°, -48.73°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.8°C
Average daily high
31.3°C
Average daily low
23.1°C
Annual rainfall
1,635mm
Sunshine / day
10.2h
Mean relative humidity
78%
Average peak wind
10.4km/h
Seasonal range
3.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
253 d/yr
Rainy days (≥ 1 mm)
192 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.6 °C
Average feels-like low
26.9 °C
Average peak gust
28.5 km/h
Tropical nights (≥ 20 °C)
362 d/yr
Solar radiation
18.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.4 °C
since 1940
+0.1 °C per decade · r² = 0.05 · p = 0.039
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
26 October 1958
Coldest day
16.4 °C
1 August 2020
Wettest day
188 mm
20 October 2011
Windiest day
26.3 km/h
4 August 1996
Strongest gust
56.2 km/h
26 June 2015
Hottest feels-like
43.8 °C
14 November 2016
Coldest feels-like
16.8 °C
1 August 2020
Sunniest day
12.3 h
23 January 1941
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 | 29.9 °C | +0.4 °C | 350 mm | +75 mm |
| Feb | 30.0 °C | +0.6 °C | 363 mm | +95 mm |
| Mar | 30.6 °C | +1.1 °C | 296 mm | +12 mm |
| Apr | 31.4 °C | +1.6 °C | 93 mm | -131 mm |
| May | 32.0 °C | +1.5 °C | 45 mm | -60 mm |
| Jun | 32.2 °C | +0.7 °C | 34 mm | +7 mm |
| Jul | 33.6 °C | +0.9 °C | 8 mm | -4 mm |
| Aug | 33.4 °C | -0.5 °C | 8 mm | -2 mm |
| Sep | 33.9 °C | -0.1 °C | 10 mm | -13 mm |
| Oct | 33.3 °C | +0.1 °C | 23 mm | -45 mm |
| Nov | 32.3 °C | +0.6 °C | 82 mm | -50 mm |
| Dec | 29.9 °C | -0.4 °C | 160 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 São Domingos do Araguaia?
São Domingos do Araguaia has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.8 °C and it receives 1,635 mm of precipitation per year.
What is the hottest day ever recorded in São Domingos do Araguaia?
The hottest day measured in São Domingos do Araguaia between 1940 and 2025 was 26 October 1958, reaching 39.8 °C.
What is the coldest day in São Domingos do Araguaia?
The coldest day measured in São Domingos do Araguaia between 1940 and 2025 was 1 August 2020, at 16.4 °C.
Does it snow in São Domingos do Araguaia?
Almost never: São Domingos do Araguaia sees virtually no snow, with about 0 frost days per year.
Has the climate of São Domingos do Araguaia warmed?
Yes: São Domingos do Araguaia warmed by +0.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in São Domingos do Araguaia?
The wettest day measured in São Domingos do Araguaia between 1940 and 2025 was 20 October 2011, with 188 mm of rain in 24 hours.
What was the windiest day in São Domingos do Araguaia?
The windiest day measured in São Domingos do Araguaia between 1940 and 2025 was 4 August 1996, with winds reaching 26.3 km/h.
What is the warmest month in São Domingos do Araguaia?
The warmest month in São Domingos do Araguaia is September (28.6 °C on average); the coldest is February (25.5 °C).
How much does it rain in São Domingos do Araguaia?
São Domingos do Araguaia receives on average 1,635 mm of precipitation per year, spread over about 192 rainy days.
Is it sunny in São Domingos do Araguaia?
São Domingos do Araguaia gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in São Domingos do Araguaia?
Yes: São Domingos do Araguaia has on average 362 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in São Domingos do Araguaia?
In São Domingos do Araguaia, between 1940 and 2025, the highest apparent temperature reached 43.8 °C on 14 November 2016, and the lowest was 16.8 °C on 1 August 2020.
Compare São Domingos do Araguaia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around São Domingos do Araguaia