Baião climate — normals and trends
Baião (Brazil) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 1,830 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 (29.0 °C on average) and the coldest is February (25.9 °C). Rainfall peaks in March.
Baião averages 0 frost days, 270 hot days (≥ 30 °C) and 219 rainy days per year.
Baião has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.1 °C (on 26 October 1958) and the coldest 20.0 °C (on 29 July 1975).
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
BaiãoPará
- coords
- -2.79°, -49.67°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.1°C
Average daily high
31.6°C
Average daily low
23.8°C
Annual rainfall
1,830mm
Sunshine / day
10.1h
Mean relative humidity
80%
Average peak wind
10.6km/h
Seasonal range
3.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
270 d/yr
Rainy days (≥ 1 mm)
219 d/yr
Annual snowfall
0.0 cm
Average feels-like high
37.4 °C
Average feels-like low
28.2 °C
Average peak gust
30.1 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
18.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.30 · 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
39.1 °C
26 October 1958
Coldest day
20.0 °C
29 July 1975
Wettest day
206 mm
25 February 2025
Windiest day
22.6 km/h
10 December 1941
Strongest gust
55.1 km/h
28 December 2015
Hottest feels-like
44.4 °C
20 April 2016
Coldest feels-like
22.2 °C
29 July 1975
Sunniest day
12.1 h
21 January 1942
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 | 30.6 °C | +0.4 °C | 406 mm | +126 mm |
| Feb | 30.7 °C | +0.9 °C | 614 mm | +314 mm |
| Mar | 30.9 °C | +1.1 °C | 397 mm | +64 mm |
| Apr | 31.4 °C | +1.5 °C | 188 mm | -92 mm |
| May | 32.1 °C | +1.7 °C | 184 mm | +9 mm |
| Jun | 31.7 °C | +0.8 °C | 94 mm | +16 mm |
| Jul | 31.9 °C | +0.4 °C | 64 mm | +11 mm |
| Aug | 32.1 °C | -0.9 °C | 66 mm | +30 mm |
| Sep | 33.4 °C | -0.6 °C | 15 mm | -16 mm |
| Oct | 33.7 °C | -0.7 °C | 27 mm | -6 mm |
| Nov | 34.0 °C | +0.3 °C | 26 mm | -44 mm |
| Dec | 31.9 °C | -0.1 °C | 112 mm | -49 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 Baião?
Baião has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 1,830 mm of precipitation per year.
What is the hottest day ever recorded in Baião?
The hottest day measured in Baião between 1940 and 2025 was 26 October 1958, reaching 39.1 °C.
What is the coldest day in Baião?
The coldest day measured in Baião between 1940 and 2025 was 29 July 1975, at 20.0 °C.
Does it snow in Baião?
Almost never: Baião sees virtually no snow, with about 0 frost days per year.
Has the climate of Baião warmed?
Yes: Baião warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Baião?
The wettest day measured in Baião between 1940 and 2025 was 25 February 2025, with 206 mm of rain in 24 hours.
What was the windiest day in Baião?
The windiest day measured in Baião between 1940 and 2025 was 10 December 1941, with winds reaching 22.6 km/h.
What is the warmest month in Baião?
The warmest month in Baião is October (29.0 °C on average); the coldest is February (25.9 °C).
How much does it rain in Baião?
Baião receives on average 1,830 mm of precipitation per year, spread over about 219 rainy days.
Is it sunny in Baião?
Baião gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Baião?
Yes: Baião has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Baião?
In Baião, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 20 April 2016, and the lowest was 22.2 °C on 29 July 1975.
Compare Baião with another city
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Nearby cities
The climate around Baião