Estreito climate — normals and trends
Estreito (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.0 °C and it receives 1,171 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 (29.2 °C on average) and the coldest is March (25.3 °C). Rainfall peaks in March.
Estreito averages 0 frost days, 283 hot days (≥ 30 °C) and 140 rainy days per year.
Estreito has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.9 °C (on 18 October 1958) and the coldest 17.5 °C (on 15 June 1945).
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
EstreitoMaranhão
- coords
- -5.78°, -43.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.0°C
Average daily high
32.1°C
Average daily low
22.9°C
Annual rainfall
1,171mm
Sunshine / day
10.6h
Mean relative humidity
69%
Average peak wind
11.3km/h
Seasonal range
3.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
283 d/yr
Rainy days (≥ 1 mm)
140 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.2 °C
Average feels-like low
25.5 °C
Average peak gust
31.3 km/h
Tropical nights (≥ 20 °C)
362 d/yr
Solar radiation
19.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.12 · 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
39.9 °C
18 October 1958
Coldest day
17.5 °C
15 June 1945
Wettest day
256 mm
24 January 1992
Windiest day
27.5 km/h
16 July 1988
Strongest gust
61.6 km/h
5 July 2017
Hottest feels-like
44.8 °C
31 October 2012
Coldest feels-like
16.9 °C
3 July 1946
Sunniest day
12.1 h
22 November 2009
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 | 30.7 °C | +0.3 °C | 265 mm | +54 mm |
| Feb | 31.3 °C | +1.4 °C | 86 mm | -140 mm |
| Mar | 30.5 °C | +0.9 °C | 198 mm | -67 mm |
| Apr | 31.6 °C | +1.8 °C | 38 mm | -143 mm |
| May | 32.9 °C | +2.2 °C | 4 mm | -61 mm |
| Jun | 32.7 °C | +0.9 °C | 1 mm | -9 mm |
| Jul | 33.7 °C | +1.2 °C | 1 mm | -4 mm |
| Aug | 34.5 °C | +0.6 °C | 8 mm | +6 mm |
| Sep | 36.1 °C | +0.9 °C | 1 mm | -5 mm |
| Oct | 35.9 °C | +0.6 °C | 34 mm | +9 mm |
| Nov | 35.1 °C | +1.1 °C | 12 mm | -48 mm |
| Dec | 32.2 °C | -0.1 °C | 83 mm | -33 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 Estreito?
Estreito has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.0 °C and it receives 1,171 mm of precipitation per year.
What is the hottest day ever recorded in Estreito?
The hottest day measured in Estreito between 1940 and 2025 was 18 October 1958, reaching 39.9 °C.
What is the coldest day in Estreito?
The coldest day measured in Estreito between 1940 and 2025 was 15 June 1945, at 17.5 °C.
Does it snow in Estreito?
Almost never: Estreito sees virtually no snow, with about 0 frost days per year.
Has the climate of Estreito warmed?
Yes: Estreito warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Estreito?
The wettest day measured in Estreito between 1940 and 2025 was 24 January 1992, with 256 mm of rain in 24 hours.
What was the windiest day in Estreito?
The windiest day measured in Estreito between 1940 and 2025 was 16 July 1988, with winds reaching 27.5 km/h.
What is the warmest month in Estreito?
The warmest month in Estreito is October (29.2 °C on average); the coldest is March (25.3 °C).
How much does it rain in Estreito?
Estreito receives on average 1,171 mm of precipitation per year, spread over about 140 rainy days.
Is it sunny in Estreito?
Estreito gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
Are there tropical nights in Estreito?
Yes: Estreito has on average 362 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Estreito?
In Estreito, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 31 October 2012, and the lowest was 16.9 °C on 3 July 1946.
Compare Estreito with another city
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Nearby cities
The climate around Estreito