Portel climate — normals and trends
Portel (Brazil) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 26.7 °C and it receives 2,005 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 (25.6 °C). Rainfall peaks in April.
Portel averages 0 frost days, 253 hot days (≥ 30 °C) and 223 rainy days per year.
Portel has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.3 °C (on 1 November 2012) and the coldest 20.5 °C (on 6 August 1959).
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
PortelPará
- coords
- -1.94°, -50.82°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.7°C
Average daily high
31.2°C
Average daily low
23.5°C
Annual rainfall
2,005mm
Sunshine / day
9.9h
Mean relative humidity
82%
Average peak wind
10.1km/h
Seasonal range
3.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
253 d/yr
Rainy days (≥ 1 mm)
223 d/yr
Annual snowfall
0.0 cm
Average feels-like high
37.1 °C
Average feels-like low
27.9 °C
Average peak gust
30.4 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
18.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.38 · 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
37.3 °C
1 November 2012
Coldest day
20.5 °C
6 August 1959
Wettest day
180 mm
15 March 2022
Windiest day
20.9 km/h
14 December 1941
Strongest gust
59.0 km/h
6 December 1981
Hottest feels-like
43.9 °C
19 August 1998
Coldest feels-like
23.3 °C
6 August 1959
Sunniest day
12.0 h
15 January 1956
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 | 30.2 °C | +0.2 °C | 280 mm | +21 mm |
| Feb | 29.9 °C | +0.3 °C | 414 mm | +125 mm |
| Mar | 29.8 °C | +0.3 °C | 564 mm | +214 mm |
| Apr | 30.6 °C | +1.1 °C | 329 mm | -22 mm |
| May | 31.8 °C | +1.8 °C | 202 mm | -55 mm |
| Jun | 31.2 °C | +0.8 °C | 318 mm | +181 mm |
| Jul | 31.3 °C | +0.5 °C | 113 mm | +27 mm |
| Aug | 31.5 °C | -0.7 °C | 81 mm | +37 mm |
| Sep | 32.6 °C | -0.6 °C | 15 mm | -14 mm |
| Oct | 33.1 °C | -0.7 °C | 31 mm | +7 mm |
| Nov | 33.3 °C | 0.0 °C | 19 mm | -32 mm |
| Dec | 31.9 °C | +0.1 °C | 86 mm | -43 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 Portel?
Portel has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 26.7 °C and it receives 2,005 mm of precipitation per year.
What is the hottest day ever recorded in Portel?
The hottest day measured in Portel between 1940 and 2025 was 1 November 2012, reaching 37.3 °C.
What is the coldest day in Portel?
The coldest day measured in Portel between 1940 and 2025 was 6 August 1959, at 20.5 °C.
Does it snow in Portel?
Almost never: Portel sees virtually no snow, with about 0 frost days per year.
Has the climate of Portel warmed?
Yes: Portel warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Portel?
The wettest day measured in Portel between 1940 and 2025 was 15 March 2022, with 180 mm of rain in 24 hours.
What was the windiest day in Portel?
The windiest day measured in Portel between 1940 and 2025 was 14 December 1941, with winds reaching 20.9 km/h.
What is the warmest month in Portel?
The warmest month in Portel is October (28.6 °C on average); the coldest is February (25.6 °C).
How much does it rain in Portel?
Portel receives on average 2,005 mm of precipitation per year, spread over about 223 rainy days.
Is it sunny in Portel?
Portel gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Portel?
Yes: Portel has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Portel?
In Portel, between 1940 and 2025, the highest apparent temperature reached 43.9 °C on 19 August 1998, and the lowest was 23.3 °C on 6 August 1959.
Compare Portel with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Portel