Araçatuba climate — normals and trends
Araçatuba (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.6 °C and it receives 1,289 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 January (25.4 °C on average) and the coldest is June (20.2 °C). Rainfall peaks in January.
Araçatuba averages 0 frost days, 146 hot days (≥ 30 °C) and 144 rainy days per year.
Araçatuba has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.0 °C (on 7 October 2020) and the coldest 0.7 °C (on 18 July 1975).
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
AraçatubaSão Paulo
- coords
- -21.21°, -50.43°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.6°C
Average daily high
29.0°C
Average daily low
19.2°C
Annual rainfall
1,289mm
Sunshine / day
10.1h
Mean relative humidity
70%
Average peak wind
13.7km/h
Seasonal range
5.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
146 d/yr
Rainy days (≥ 1 mm)
144 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.6 °C
Average feels-like low
20.3 °C
Average peak gust
30.7 km/h
Tropical nights (≥ 20 °C)
184 d/yr
Solar radiation
18.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.65 · 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
42.0 °C
7 October 2020
Coldest day
0.7 °C
18 July 1975
Wettest day
161 mm
20 November 1996
Windiest day
39.4 km/h
15 September 1956
Strongest gust
82.8 km/h
22 September 2025
Hottest feels-like
44.6 °C
13 November 2015
Coldest feels-like
-3.4 °C
18 July 1975
Sunniest day
13.0 h
17 December 2024
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 | 32.7 °C | +2.9 °C | 182 mm | -44 mm |
| Feb | 31.7 °C | +1.8 °C | 141 mm | -51 mm |
| Mar | 32.8 °C | +3.1 °C | 59 mm | -88 mm |
| Apr | 29.1 °C | +0.3 °C | 112 mm | +45 mm |
| May | 27.9 °C | +1.2 °C | 17 mm | -33 mm |
| Jun | 26.5 °C | +0.5 °C | 38 mm | +6 mm |
| Jul | 26.9 °C | +0.3 °C | 1 mm | -23 mm |
| Aug | 29.5 °C | +0.2 °C | 1 mm | -22 mm |
| Sep | 33.4 °C | +2.6 °C | 11 mm | -43 mm |
| Oct | 30.9 °C | +0.2 °C | 72 mm | -44 mm |
| Nov | 31.4 °C | +1.1 °C | 79 mm | -73 mm |
| Dec | 32.1 °C | +2.3 °C | 147 mm | -60 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 Araçatuba?
Araçatuba has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.6 °C and it receives 1,289 mm of precipitation per year.
What is the hottest day ever recorded in Araçatuba?
The hottest day measured in Araçatuba between 1940 and 2025 was 7 October 2020, reaching 42.0 °C.
What is the coldest day in Araçatuba?
The coldest day measured in Araçatuba between 1940 and 2025 was 18 July 1975, at 0.7 °C.
Does it snow in Araçatuba?
Almost never: Araçatuba sees virtually no snow, with about 0 frost days per year.
Has the climate of Araçatuba warmed?
Yes: Araçatuba warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Araçatuba?
The wettest day measured in Araçatuba between 1940 and 2025 was 20 November 1996, with 161 mm of rain in 24 hours.
What was the windiest day in Araçatuba?
The windiest day measured in Araçatuba between 1940 and 2025 was 15 September 1956, with winds reaching 39.4 km/h.
What is the warmest month in Araçatuba?
The warmest month in Araçatuba is January (25.4 °C on average); the coldest is June (20.2 °C).
How much does it rain in Araçatuba?
Araçatuba receives on average 1,289 mm of precipitation per year, spread over about 144 rainy days.
Is it sunny in Araçatuba?
Araçatuba gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Araçatuba?
Yes: Araçatuba has on average 184 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Araçatuba?
In Araçatuba, between 1940 and 2025, the highest apparent temperature reached 44.6 °C on 13 November 2015, and the lowest was -3.4 °C on 18 July 1975.
Compare Araçatuba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Araçatuba