Barcelos climate — normals and trends
Barcelos (Brazil) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.0 °C and it receives 2,607 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 (26.8 °C on average) and the coldest is June (25.3 °C). Rainfall peaks in May.
Barcelos averages 0 frost days, 164 hot days (≥ 30 °C) and 297 rainy days per year.
Barcelos has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.8 °C (on 10 February 1964) and the coldest 18.7 °C (on 21 July 1981).
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
BarcelosAmazonas
- coords
- -0.97°, -62.93°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.0°C
Average daily high
29.7°C
Average daily low
23.5°C
Annual rainfall
2,607mm
Sunshine / day
8.9h
Mean relative humidity
88%
Average peak wind
8.7km/h
Seasonal range
1.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
164 d/yr
Rainy days (≥ 1 mm)
297 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.2 °C
Average feels-like low
28.2 °C
Average peak gust
29.4 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
16.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.71 · 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
37.8 °C
10 February 1964
Coldest day
18.7 °C
21 July 1981
Wettest day
225 mm
1 May 2014
Windiest day
22.3 km/h
6 February 2020
Strongest gust
57.2 km/h
3 February 1960
Hottest feels-like
44.7 °C
10 February 1998
Coldest feels-like
18.9 °C
19 July 1975
Sunniest day
12.0 h
1 October 1940
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 | 31.4 °C | +1.7 °C | 124 mm | -87 mm |
| Feb | 30.1 °C | +0.3 °C | 187 mm | -4 mm |
| Mar | 30.7 °C | +1.1 °C | 191 mm | -72 mm |
| Apr | 29.8 °C | +0.8 °C | 314 mm | -19 mm |
| May | 30.0 °C | +1.3 °C | 280 mm | -68 mm |
| Jun | 29.9 °C | +1.2 °C | 252 mm | -2 mm |
| Jul | 30.4 °C | +1.3 °C | 160 mm | -33 mm |
| Aug | 31.2 °C | +1.0 °C | 116 mm | -27 mm |
| Sep | 32.3 °C | +1.5 °C | 64 mm | -79 mm |
| Oct | 31.7 °C | +0.6 °C | 134 mm | -11 mm |
| Nov | 30.7 °C | +0.2 °C | 218 mm | +43 mm |
| Dec | 30.8 °C | +1.1 °C | 173 mm | -34 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 Barcelos?
Barcelos has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.0 °C and it receives 2,607 mm of precipitation per year.
What is the hottest day ever recorded in Barcelos?
The hottest day measured in Barcelos between 1940 and 2025 was 10 February 1964, reaching 37.8 °C.
What is the coldest day in Barcelos?
The coldest day measured in Barcelos between 1940 and 2025 was 21 July 1981, at 18.7 °C.
Does it snow in Barcelos?
Almost never: Barcelos sees virtually no snow, with about 0 frost days per year.
Has the climate of Barcelos warmed?
Yes: Barcelos warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Barcelos?
The wettest day measured in Barcelos between 1940 and 2025 was 1 May 2014, with 225 mm of rain in 24 hours.
What was the windiest day in Barcelos?
The windiest day measured in Barcelos between 1940 and 2025 was 6 February 2020, with winds reaching 22.3 km/h.
What is the warmest month in Barcelos?
The warmest month in Barcelos is October (26.8 °C on average); the coldest is June (25.3 °C).
How much does it rain in Barcelos?
Barcelos receives on average 2,607 mm of precipitation per year, spread over about 297 rainy days.
Is it sunny in Barcelos?
Barcelos gets on average 8.9 hours of sunshine per day, roughly 3,249 hours per year over 1940-2025.
Are there tropical nights in Barcelos?
Yes: Barcelos has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Barcelos?
In Barcelos, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 10 February 1998, and the lowest was 18.9 °C on 19 July 1975.
Compare Barcelos with another city
Pick a second city: its normals will be set against these, indicator by indicator.