São José da Laje climate — normals and trends
São José da Laje (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.1 °C and it receives 947 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 (24.6 °C on average) and the coldest is July (21.0 °C). Rainfall peaks in June.
São José da Laje averages 0 frost days, 58 hot days (≥ 30 °C) and 237 rainy days per year.
São José da Laje has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.9 °C (on 8 March 1962) and the coldest 13.1 °C (on 1 August 1986).
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 José da LajeAlagoas
- coords
- -9.01°, -36.06°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.1°C
Average daily high
27.4°C
Average daily low
20.0°C
Annual rainfall
947mm
Sunshine / day
10.5h
Mean relative humidity
83%
Average peak wind
14.8km/h
Seasonal range
3.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
58 d/yr
Rainy days (≥ 1 mm)
237 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.3 °C
Average feels-like low
22.7 °C
Average peak gust
34.3 km/h
Tropical nights (≥ 20 °C)
197 d/yr
Solar radiation
18.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.48 · 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
35.9 °C
8 March 1962
Coldest day
13.1 °C
1 August 1986
Wettest day
111 mm
28 April 1996
Windiest day
25.1 km/h
23 July 1975
Strongest gust
55.8 km/h
16 October 1941
Hottest feels-like
39.9 °C
6 March 2020
Coldest feels-like
13.4 °C
1 August 1986
Sunniest day
12.5 h
28 December 2025
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 30.1 °C | +0.6 °C | 68 mm | +10 mm |
| Feb | 28.6 °C | -0.8 °C | 67 mm | +1 mm |
| Mar | 29.1 °C | -0.1 °C | 68 mm | -29 mm |
| Apr | 29.8 °C | +1.7 °C | 40 mm | -61 mm |
| May | 27.3 °C | +0.7 °C | 131 mm | +24 mm |
| Jun | 25.2 °C | +0.1 °C | 143 mm | +24 mm |
| Jul | 24.5 °C | +0.1 °C | 108 mm | -9 mm |
| Aug | 24.8 °C | +0.2 °C | 145 mm | +52 mm |
| Sep | 25.3 °C | -0.4 °C | 110 mm | +40 mm |
| Oct | 26.8 °C | -0.7 °C | 67 mm | +20 mm |
| Nov | 29.4 °C | +0.4 °C | 13 mm | -21 mm |
| Dec | 29.7 °C | +0.2 °C | 25 mm | -13 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 José da Laje?
São José da Laje has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.1 °C and it receives 947 mm of precipitation per year.
What is the hottest day ever recorded in São José da Laje?
The hottest day measured in São José da Laje between 1940 and 2025 was 8 March 1962, reaching 35.9 °C.
What is the coldest day in São José da Laje?
The coldest day measured in São José da Laje between 1940 and 2025 was 1 August 1986, at 13.1 °C.
Does it snow in São José da Laje?
Almost never: São José da Laje sees virtually no snow, with about 0 frost days per year.
Has the climate of São José da Laje warmed?
Yes: São José da Laje warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in São José da Laje?
The wettest day measured in São José da Laje between 1940 and 2025 was 28 April 1996, with 111 mm of rain in 24 hours.
What was the windiest day in São José da Laje?
The windiest day measured in São José da Laje between 1940 and 2025 was 23 July 1975, with winds reaching 25.1 km/h.
What is the warmest month in São José da Laje?
The warmest month in São José da Laje is January (24.6 °C on average); the coldest is July (21.0 °C).
How much does it rain in São José da Laje?
São José da Laje receives on average 947 mm of precipitation per year, spread over about 237 rainy days.
Is it sunny in São José da Laje?
São José da Laje gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in São José da Laje?
Yes: São José da Laje has on average 197 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in São José da Laje?
In São José da Laje, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 6 March 2020, and the lowest was 13.4 °C on 1 August 1986.
Compare São José da Laje with another city
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Nearby cities
The climate around São José da Laje