Jales climate — normals and trends
Jales (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.1 °C and it receives 1,312 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 October (25.9 °C on average) and the coldest is June (20.9 °C). Rainfall peaks in December.
Jales averages 0 frost days, 160 hot days (≥ 30 °C) and 150 rainy days per year.
Jales has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The hottest day of the period reached 42.4 °C (on 30 October 2012) and the coldest 1.4 °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
JalesSão Paulo
- coords
- -20.27°, -50.55°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.1°C
Average daily high
29.5°C
Average daily low
19.8°C
Annual rainfall
1,312mm
Sunshine / day
10.3h
Mean relative humidity
69%
Average peak wind
13.9km/h
Seasonal range
5.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
160 d/yr
Rainy days (≥ 1 mm)
150 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.2 °C
Average feels-like low
20.8 °C
Average peak gust
30.5 km/h
Tropical nights (≥ 20 °C)
207 d/yr
Solar radiation
18.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.64 · 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
42.4 °C
30 October 2012
Coldest day
1.4 °C
18 July 1975
Wettest day
114 mm
12 February 2007
Windiest day
39.5 km/h
15 September 1956
Strongest gust
78.8 km/h
7 June 2011
Hottest feels-like
44.0 °C
29 October 2007
Coldest feels-like
-2.7 °C
18 July 1975
Sunniest day
13.0 h
15 January 1940
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 | 31.8 °C | +2.0 °C | 113 mm | -107 mm |
| Feb | 31.5 °C | +1.7 °C | 128 mm | -70 mm |
| Mar | 33.4 °C | +3.7 °C | 41 mm | -120 mm |
| Apr | 30.4 °C | +1.3 °C | 85 mm | +12 mm |
| May | 29.1 °C | +1.8 °C | 20 mm | -25 mm |
| Jun | 27.7 °C | +0.8 °C | 19 mm | -2 mm |
| Jul | 27.9 °C | +0.3 °C | 0 mm | -18 mm |
| Aug | 30.5 °C | +0.3 °C | 2 mm | -16 mm |
| Sep | 34.5 °C | +2.6 °C | 16 mm | -32 mm |
| Oct | 32.0 °C | +0.6 °C | 71 mm | -47 mm |
| Nov | 32.1 °C | +1.6 °C | 94 mm | -76 mm |
| Dec | 31.5 °C | +1.7 °C | 150 mm | -72 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 Jales?
Jales has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.1 °C and it receives 1,312 mm of precipitation per year.
What is the hottest day ever recorded in Jales?
The hottest day measured in Jales between 1940 and 2025 was 30 October 2012, reaching 42.4 °C.
What is the coldest day in Jales?
The coldest day measured in Jales between 1940 and 2025 was 18 July 1975, at 1.4 °C.
Does it snow in Jales?
Almost never: Jales sees virtually no snow, with about 0 frost days per year.
Has the climate of Jales warmed?
Yes: Jales warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jales?
The wettest day measured in Jales between 1940 and 2025 was 12 February 2007, with 114 mm of rain in 24 hours.
What was the windiest day in Jales?
The windiest day measured in Jales between 1940 and 2025 was 15 September 1956, with winds reaching 39.5 km/h.
What is the warmest month in Jales?
The warmest month in Jales is October (25.9 °C on average); the coldest is June (20.9 °C).
How much does it rain in Jales?
Jales receives on average 1,312 mm of precipitation per year, spread over about 150 rainy days.
Is it sunny in Jales?
Jales gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Jales?
Yes: Jales has on average 207 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Jales?
In Jales, between 1940 and 2025, the highest apparent temperature reached 44.0 °C on 29 October 2007, and the lowest was -2.7 °C on 18 July 1975.
Compare Jales with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jales