Amarante do Maranhão climate — normals and trends
Amarante do Maranhão (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.2 °C and it receives 1,176 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 September (27.9 °C on average) and the coldest is February (24.9 °C). Rainfall peaks in March.
Amarante do Maranhão averages 0 frost days, 247 hot days (≥ 30 °C) and 160 rainy days per year.
Amarante do Maranhão has warmed by +0.5 °C between 1940 and 2025, or +0.06 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.0 °C (on 18 October 1958) and the coldest 15.8 °C (on 28 July 2020).
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
Amarante do MaranhãoMaranhão
- coords
- -5.57°, -46.74°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.2°C
Average daily high
31.3°C
Average daily low
22.0°C
Annual rainfall
1,176mm
Sunshine / day
10.5h
Mean relative humidity
74%
Average peak wind
12.5km/h
Seasonal range
3.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
247 d/yr
Rainy days (≥ 1 mm)
160 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.3 °C
Average feels-like low
24.8 °C
Average peak gust
31.8 km/h
Tropical nights (≥ 20 °C)
344 d/yr
Solar radiation
19.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.5 °C
since 1940
+0.1 °C per decade · r² = 0.05 · p = 0.037
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
39.0 °C
18 October 1958
Coldest day
15.8 °C
28 July 2020
Wettest day
142 mm
11 April 2010
Windiest day
28.0 km/h
13 October 2013
Strongest gust
56.5 km/h
3 October 1958
Hottest feels-like
45.1 °C
28 October 2018
Coldest feels-like
15.6 °C
28 July 2020
Sunniest day
12.1 h
27 January 1941
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 | 29.7 °C | +0.3 °C | 436 mm | +226 mm |
| Feb | 30.0 °C | +0.8 °C | 174 mm | -35 mm |
| Mar | 30.3 °C | +1.1 °C | 255 mm | +37 mm |
| Apr | 31.2 °C | +1.7 °C | 71 mm | -81 mm |
| May | 31.9 °C | +1.7 °C | 11 mm | -52 mm |
| Jun | 32.0 °C | +0.7 °C | 22 mm | +10 mm |
| Jul | 32.9 °C | +0.6 °C | 2 mm | -3 mm |
| Aug | 33.5 °C | 0.0 °C | 4 mm | -1 mm |
| Sep | 34.8 °C | +0.8 °C | 2 mm | -11 mm |
| Oct | 34.0 °C | +0.5 °C | 19 mm | -22 mm |
| Nov | 33.1 °C | +0.9 °C | 33 mm | -56 mm |
| Dec | 30.3 °C | -0.4 °C | 223 mm | +65 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 Amarante do Maranhão?
Amarante do Maranhão has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.2 °C and it receives 1,176 mm of precipitation per year.
What is the hottest day ever recorded in Amarante do Maranhão?
The hottest day measured in Amarante do Maranhão between 1940 and 2025 was 18 October 1958, reaching 39.0 °C.
What is the coldest day in Amarante do Maranhão?
The coldest day measured in Amarante do Maranhão between 1940 and 2025 was 28 July 2020, at 15.8 °C.
Does it snow in Amarante do Maranhão?
Almost never: Amarante do Maranhão sees virtually no snow, with about 0 frost days per year.
Has the climate of Amarante do Maranhão warmed?
Yes: Amarante do Maranhão warmed by +0.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Amarante do Maranhão?
The wettest day measured in Amarante do Maranhão between 1940 and 2025 was 11 April 2010, with 142 mm of rain in 24 hours.
What was the windiest day in Amarante do Maranhão?
The windiest day measured in Amarante do Maranhão between 1940 and 2025 was 13 October 2013, with winds reaching 28.0 km/h.
What is the warmest month in Amarante do Maranhão?
The warmest month in Amarante do Maranhão is September (27.9 °C on average); the coldest is February (24.9 °C).
How much does it rain in Amarante do Maranhão?
Amarante do Maranhão receives on average 1,176 mm of precipitation per year, spread over about 160 rainy days.
Is it sunny in Amarante do Maranhão?
Amarante do Maranhão gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in Amarante do Maranhão?
Yes: Amarante do Maranhão has on average 344 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Amarante do Maranhão?
In Amarante do Maranhão, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 28 October 2018, and the lowest was 15.6 °C on 28 July 2020.
Compare Amarante do Maranhão with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Amarante do Maranhão