Monção climate — normals and trends
Monção (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.3 °C and it receives 1,768 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 (28.9 °C on average) and the coldest is March (26.1 °C). Rainfall peaks in March.
Monção averages 0 frost days, 292 hot days (≥ 30 °C) and 185 rainy days per year.
Monção has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.3 °C (on 12 December 1981) and the coldest 19.5 °C (on 27 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
MonçãoMaranhão
- coords
- -3.49°, -45.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.3°C
Average daily high
31.9°C
Average daily low
23.9°C
Annual rainfall
1,768mm
Sunshine / day
10.6h
Mean relative humidity
79%
Average peak wind
12.2km/h
Seasonal range
2.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
292 d/yr
Rainy days (≥ 1 mm)
185 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.9 °C
Average feels-like low
28.4 °C
Average peak gust
32.1 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
18.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.34 · 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
39.3 °C
12 December 1981
Coldest day
19.5 °C
27 July 2020
Wettest day
264 mm
18 March 1969
Windiest day
24.2 km/h
16 August 1991
Strongest gust
57.6 km/h
6 October 1947
Hottest feels-like
43.4 °C
25 October 2017
Coldest feels-like
20.4 °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 | 31.6 °C | +0.6 °C | 303 mm | +54 mm |
| Feb | 30.7 °C | +0.3 °C | 382 mm | +81 mm |
| Mar | 31.3 °C | +1.2 °C | 473 mm | +96 mm |
| Apr | 31.7 °C | +1.5 °C | 206 mm | -140 mm |
| May | 31.6 °C | +1.1 °C | 100 mm | -94 mm |
| Jun | 31.2 °C | +0.5 °C | 68 mm | -2 mm |
| Jul | 31.7 °C | +0.3 °C | 49 mm | +12 mm |
| Aug | 32.8 °C | -0.3 °C | 16 mm | +1 mm |
| Sep | 34.9 °C | +0.7 °C | 4 mm | -10 mm |
| Oct | 35.3 °C | +0.7 °C | 4 mm | -14 mm |
| Nov | 34.7 °C | +0.5 °C | 10 mm | -26 mm |
| Dec | 33.1 °C | +0.2 °C | 103 mm | -7 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 Monção?
Monção has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.3 °C and it receives 1,768 mm of precipitation per year.
What is the hottest day ever recorded in Monção?
The hottest day measured in Monção between 1940 and 2025 was 12 December 1981, reaching 39.3 °C.
What is the coldest day in Monção?
The coldest day measured in Monção between 1940 and 2025 was 27 July 2020, at 19.5 °C.
Does it snow in Monção?
Almost never: Monção sees virtually no snow, with about 0 frost days per year.
Has the climate of Monção warmed?
Yes: Monção warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Monção?
The wettest day measured in Monção between 1940 and 2025 was 18 March 1969, with 264 mm of rain in 24 hours.
What was the windiest day in Monção?
The windiest day measured in Monção between 1940 and 2025 was 16 August 1991, with winds reaching 24.2 km/h.
What is the warmest month in Monção?
The warmest month in Monção is October (28.9 °C on average); the coldest is March (26.1 °C).
How much does it rain in Monção?
Monção receives on average 1,768 mm of precipitation per year, spread over about 185 rainy days.
Is it sunny in Monção?
Monção gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
Are there tropical nights in Monção?
Yes: Monção has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Monção?
In Monção, between 1940 and 2025, the highest apparent temperature reached 43.4 °C on 25 October 2017, and the lowest was 20.4 °C on 4 July 1974.
Compare Monção with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Monção