Bacuri climate — normals and trends
Bacuri (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.4 °C and it receives 1,875 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 November (27.6 °C on average) and the coldest is March (25.5 °C). Rainfall peaks in March.
Bacuri averages 0 frost days, 178 hot days (≥ 30 °C) and 235 rainy days per year.
Bacuri has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.7 °C (on 12 January 2013) and the coldest 20.9 °C (on 4 July 1974).
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
BacuriMaranhão
- coords
- -1.73°, -45.14°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.4°C
Average daily high
29.9°C
Average daily low
23.9°C
Annual rainfall
1,875mm
Sunshine / day
10.3h
Mean relative humidity
83%
Average peak wind
15.1km/h
Seasonal range
2.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
178 d/yr
Rainy days (≥ 1 mm)
235 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.6 °C
Average feels-like low
28.1 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
17.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.55 · 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
34.7 °C
12 January 2013
Coldest day
20.9 °C
4 July 1974
Wettest day
186 mm
18 March 1985
Windiest day
28.2 km/h
11 October 1960
Strongest gust
63.7 km/h
7 October 1983
Hottest feels-like
40.5 °C
15 March 2016
Coldest feels-like
22.6 °C
4 July 1974
Sunniest day
12.0 h
2 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 | 29.9 °C | +0.4 °C | 295 mm | +87 mm |
| Feb | 29.1 °C | +0.3 °C | 344 mm | +52 mm |
| Mar | 29.7 °C | +1.1 °C | 413 mm | +48 mm |
| Apr | 29.6 °C | +0.9 °C | 375 mm | +32 mm |
| May | 30.4 °C | +1.3 °C | 222 mm | -28 mm |
| Jun | 29.7 °C | +0.5 °C | 97 mm | -43 mm |
| Jul | 29.9 °C | +0.6 °C | 83 mm | -13 mm |
| Aug | 30.1 °C | +0.1 °C | 52 mm | +8 mm |
| Sep | 31.3 °C | +0.5 °C | 16 mm | -6 mm |
| Oct | 31.5 °C | -0.1 °C | 19 mm | +5 mm |
| Nov | 31.5 °C | -0.4 °C | 22 mm | -0 mm |
| Dec | 31.3 °C | +0.2 °C | 66 mm | -14 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 Bacuri?
Bacuri has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 1,875 mm of precipitation per year.
What is the hottest day ever recorded in Bacuri?
The hottest day measured in Bacuri between 1940 and 2025 was 12 January 2013, reaching 34.7 °C.
What is the coldest day in Bacuri?
The coldest day measured in Bacuri between 1940 and 2025 was 4 July 1974, at 20.9 °C.
Does it snow in Bacuri?
Almost never: Bacuri sees virtually no snow, with about 0 frost days per year.
Has the climate of Bacuri warmed?
Yes: Bacuri warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bacuri?
The wettest day measured in Bacuri between 1940 and 2025 was 18 March 1985, with 186 mm of rain in 24 hours.
What was the windiest day in Bacuri?
The windiest day measured in Bacuri between 1940 and 2025 was 11 October 1960, with winds reaching 28.2 km/h.
What is the warmest month in Bacuri?
The warmest month in Bacuri is November (27.6 °C on average); the coldest is March (25.5 °C).
How much does it rain in Bacuri?
Bacuri receives on average 1,875 mm of precipitation per year, spread over about 235 rainy days.
Is it sunny in Bacuri?
Bacuri gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
Are there tropical nights in Bacuri?
Yes: Bacuri has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bacuri?
In Bacuri, between 1940 and 2025, the highest apparent temperature reached 40.5 °C on 15 March 2016, and the lowest was 22.6 °C on 4 July 1974.
Compare Bacuri with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bacuri