Penalva climate — normals and trends
Penalva (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.9 °C and it receives 1,829 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 November (28.2 °C on average) and the coldest is March (25.9 °C). Rainfall peaks in March.
Penalva averages 0 frost days, 255 hot days (≥ 30 °C) and 192 rainy days per year.
Penalva 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 36.6 °C (on 11 October 2016) and the coldest 20.6 °C (on 24 July 1970).
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
PenalvaMaranhão
- coords
- -3.29°, -45.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.9°C
Average daily high
30.9°C
Average daily low
24.0°C
Annual rainfall
1,829mm
Sunshine / day
10.5h
Mean relative humidity
81%
Average peak wind
11.7km/h
Seasonal range
2.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
255 d/yr
Rainy days (≥ 1 mm)
192 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.1 °C
Average feels-like low
28.4 °C
Average peak gust
32.0 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
18.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.48 · 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
36.6 °C
11 October 2016
Coldest day
20.6 °C
24 July 1970
Wettest day
280 mm
13 April 2020
Windiest day
22.3 km/h
16 July 1988
Strongest gust
58.0 km/h
22 September 1983
Hottest feels-like
42.1 °C
2 March 1988
Coldest feels-like
21.6 °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 | 30.9 °C | +0.5 °C | 338 mm | +107 mm |
| Feb | 30.2 °C | +0.3 °C | 316 mm | +24 mm |
| Mar | 30.8 °C | +1.1 °C | 396 mm | +20 mm |
| Apr | 31.1 °C | +1.4 °C | 248 mm | -116 mm |
| May | 31.0 °C | +1.0 °C | 131 mm | -99 mm |
| Jun | 30.4 °C | +0.5 °C | 79 mm | -16 mm |
| Jul | 30.6 °C | +0.3 °C | 66 mm | +14 mm |
| Aug | 31.4 °C | -0.1 °C | 15 mm | -6 mm |
| Sep | 33.1 °C | +0.8 °C | 3 mm | -13 mm |
| Oct | 33.4 °C | +0.6 °C | 7 mm | -11 mm |
| Nov | 32.9 °C | +0.2 °C | 9 mm | -25 mm |
| Dec | 31.9 °C | +0.1 °C | 138 mm | +38 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 Penalva?
Penalva has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 1,829 mm of precipitation per year.
What is the hottest day ever recorded in Penalva?
The hottest day measured in Penalva between 1940 and 2025 was 11 October 2016, reaching 36.6 °C.
What is the coldest day in Penalva?
The coldest day measured in Penalva between 1940 and 2025 was 24 July 1970, at 20.6 °C.
Does it snow in Penalva?
Almost never: Penalva sees virtually no snow, with about 0 frost days per year.
Has the climate of Penalva warmed?
Yes: Penalva warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Penalva?
The wettest day measured in Penalva between 1940 and 2025 was 13 April 2020, with 280 mm of rain in 24 hours.
What was the windiest day in Penalva?
The windiest day measured in Penalva between 1940 and 2025 was 16 July 1988, with winds reaching 22.3 km/h.
What is the warmest month in Penalva?
The warmest month in Penalva is November (28.2 °C on average); the coldest is March (25.9 °C).
How much does it rain in Penalva?
Penalva receives on average 1,829 mm of precipitation per year, spread over about 192 rainy days.
Is it sunny in Penalva?
Penalva gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in Penalva?
Yes: Penalva has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Penalva?
In Penalva, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 2 March 1988, and the lowest was 21.6 °C on 4 July 1974.
Compare Penalva with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Penalva