Araguaína climate — normals and trends
Araguaína (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.4 °C and it receives 1,725 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 January (25.1 °C). Rainfall peaks in March.
Araguaína averages 0 frost days, 255 hot days (≥ 30 °C) and 186 rainy days per year.
Araguaína 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 40.3 °C (on 3 October 1958) and the coldest 14.7 °C (on 23 July 2024).
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
AraguaínaTocantins
- coords
- -7.19°, -48.21°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.4°C
Average daily high
31.6°C
Average daily low
22.1°C
Annual rainfall
1,725mm
Sunshine / day
10.3h
Mean relative humidity
72%
Average peak wind
10.7km/h
Seasonal range
3.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
255 d/yr
Rainy days (≥ 1 mm)
186 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.7 °C
Average feels-like low
25.0 °C
Average peak gust
29.7 km/h
Tropical nights (≥ 20 °C)
348 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 = 0.06 · p = 0.027
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
40.3 °C
3 October 1958
Coldest day
14.7 °C
23 July 2024
Wettest day
144 mm
10 March 1968
Windiest day
25.3 km/h
26 May 2022
Strongest gust
55.8 km/h
22 October 2011
Hottest feels-like
45.3 °C
6 February 1998
Coldest feels-like
13.9 °C
5 August 2024
Sunniest day
12.4 h
4 January 1944
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 | 29.6 °C | +0.2 °C | 369 mm | +80 mm |
| Feb | 30.1 °C | +0.7 °C | 223 mm | -61 mm |
| Mar | 30.5 °C | +1.0 °C | 400 mm | +103 mm |
| Apr | 31.3 °C | +1.3 °C | 102 mm | -109 mm |
| May | 32.8 °C | +1.7 °C | 18 mm | -57 mm |
| Jun | 33.7 °C | +1.2 °C | 7 mm | -5 mm |
| Jul | 34.7 °C | +1.2 °C | 7 mm | +2 mm |
| Aug | 35.5 °C | +0.7 °C | 1 mm | -6 mm |
| Sep | 35.9 °C | +1.1 °C | 10 mm | -18 mm |
| Oct | 34.2 °C | +1.3 °C | 33 mm | -68 mm |
| Nov | 31.4 °C | +0.4 °C | 156 mm | -23 mm |
| Dec | 29.8 °C | -0.2 °C | 285 mm | +47 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 Araguaína?
Araguaína has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 1,725 mm of precipitation per year.
What is the hottest day ever recorded in Araguaína?
The hottest day measured in Araguaína between 1940 and 2025 was 3 October 1958, reaching 40.3 °C.
What is the coldest day in Araguaína?
The coldest day measured in Araguaína between 1940 and 2025 was 23 July 2024, at 14.7 °C.
Does it snow in Araguaína?
Almost never: Araguaína sees virtually no snow, with about 0 frost days per year.
Has the climate of Araguaína warmed?
Yes: Araguaína warmed by +0.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Araguaína?
The wettest day measured in Araguaína between 1940 and 2025 was 10 March 1968, with 144 mm of rain in 24 hours.
What was the windiest day in Araguaína?
The windiest day measured in Araguaína between 1940 and 2025 was 26 May 2022, with winds reaching 25.3 km/h.
What is the warmest month in Araguaína?
The warmest month in Araguaína is September (28.6 °C on average); the coldest is January (25.1 °C).
How much does it rain in Araguaína?
Araguaína receives on average 1,725 mm of precipitation per year, spread over about 186 rainy days.
Is it sunny in Araguaína?
Araguaína gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Araguaína?
Yes: Araguaína has on average 348 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Araguaína?
In Araguaína, between 1940 and 2025, the highest apparent temperature reached 45.3 °C on 6 February 1998, and the lowest was 13.9 °C on 5 August 2024.
Compare Araguaína with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Araguaína