Breu Branco climate — normals and trends
Breu Branco (Brazil) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 2,095 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 (28.6 °C on average) and the coldest is February (25.9 °C). Rainfall peaks in March.
Breu Branco averages 0 frost days, 207 hot days (≥ 30 °C) and 220 rainy days per year.
Breu Branco 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 36.7 °C (on 29 October 1963) and the coldest 21.1 °C (on 17 August 1978).
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
Breu BrancoPará
- coords
- -4.00°, -49.51°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.1°C
Average daily high
30.3°C
Average daily low
24.5°C
Annual rainfall
2,095mm
Sunshine / day
10.1h
Mean relative humidity
80%
Average peak wind
11.2km/h
Seasonal range
2.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
207 d/yr
Rainy days (≥ 1 mm)
220 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.0 °C
Average feels-like low
28.5 °C
Average peak gust
26.2 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
18.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.35 · 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
36.7 °C
29 October 1963
Coldest day
21.1 °C
17 August 1978
Wettest day
309 mm
12 January 1959
Windiest day
22.7 km/h
29 September 1954
Strongest gust
49.3 km/h
10 July 2011
Hottest feels-like
42.9 °C
23 October 2001
Coldest feels-like
23.6 °C
5 July 1974
Sunniest day
12.2 h
18 January 1942
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 | 29.6 °C | +0.6 °C | 422 mm | +58 mm |
| Feb | 29.6 °C | +0.8 °C | 629 mm | +280 mm |
| Mar | 29.8 °C | +0.9 °C | 526 mm | +141 mm |
| Apr | 30.7 °C | +1.6 °C | 155 mm | -120 mm |
| May | 30.8 °C | +1.1 °C | 98 mm | -51 mm |
| Jun | 30.8 °C | +0.7 °C | 81 mm | +26 mm |
| Jul | 30.9 °C | +0.3 °C | 24 mm | -9 mm |
| Aug | 30.8 °C | -0.8 °C | 49 mm | +25 mm |
| Sep | 31.8 °C | -0.3 °C | 7 mm | -25 mm |
| Oct | 31.9 °C | -0.1 °C | 22 mm | -44 mm |
| Nov | 31.6 °C | +0.3 °C | 61 mm | -73 mm |
| Dec | 30.1 °C | 0.0 °C | 180 mm | -50 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 Breu Branco?
Breu Branco has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 2,095 mm of precipitation per year.
What is the hottest day ever recorded in Breu Branco?
The hottest day measured in Breu Branco between 1940 and 2025 was 29 October 1963, reaching 36.7 °C.
What is the coldest day in Breu Branco?
The coldest day measured in Breu Branco between 1940 and 2025 was 17 August 1978, at 21.1 °C.
Does it snow in Breu Branco?
Almost never: Breu Branco sees virtually no snow, with about 0 frost days per year.
Has the climate of Breu Branco warmed?
Yes: Breu Branco warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Breu Branco?
The wettest day measured in Breu Branco between 1940 and 2025 was 12 January 1959, with 309 mm of rain in 24 hours.
What was the windiest day in Breu Branco?
The windiest day measured in Breu Branco between 1940 and 2025 was 29 September 1954, with winds reaching 22.7 km/h.
What is the warmest month in Breu Branco?
The warmest month in Breu Branco is October (28.6 °C on average); the coldest is February (25.9 °C).
How much does it rain in Breu Branco?
Breu Branco receives on average 2,095 mm of precipitation per year, spread over about 220 rainy days.
Is it sunny in Breu Branco?
Breu Branco gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
Are there tropical nights in Breu Branco?
Yes: Breu Branco has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Breu Branco?
In Breu Branco, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 23 October 2001, and the lowest was 23.6 °C on 5 July 1974.
Compare Breu Branco with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Breu Branco