Pilão Arcado climate — normals and trends
Pilão Arcado (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 26.9 °C and it receives 542 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 (28.9 °C on average) and the coldest is July (25.2 °C). Rainfall peaks in March.
Pilão Arcado averages 0 frost days, 296 hot days (≥ 30 °C) and 63 rainy days per year.
Pilão Arcado has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.8 °C (on 22 September 2021) and the coldest 16.1 °C (on 22 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
Pilão ArcadoEstado de Bahia
- coords
- -10.00°, -42.48°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.9°C
Average daily high
32.1°C
Average daily low
22.2°C
Annual rainfall
542mm
Sunshine / day
11.1h
Mean relative humidity
57%
Average peak wind
15.2km/h
Seasonal range
3.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
296 d/yr
Rainy days (≥ 1 mm)
63 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.1 °C
Average feels-like low
23.5 °C
Average peak gust
33.5 km/h
Tropical nights (≥ 20 °C)
317 d/yr
Solar radiation
21.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.11 · p = 0.002
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
39.8 °C
22 September 2021
Coldest day
16.1 °C
22 July 1981
Wettest day
157 mm
18 November 1996
Windiest day
29.3 km/h
18 July 1970
Strongest gust
58.0 km/h
20 May 2020
Hottest feels-like
42.2 °C
3 December 2015
Coldest feels-like
14.9 °C
31 July 1988
Sunniest day
12.6 h
2 December 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 | 31.6 °C | -0.1 °C | 252 mm | +154 mm |
| Feb | 33.7 °C | +2.3 °C | 2 mm | -84 mm |
| Mar | 35.0 °C | +3.9 °C | 5 mm | -111 mm |
| Apr | 34.4 °C | +3.1 °C | 18 mm | -41 mm |
| May | 33.8 °C | +2.2 °C | 1 mm | -10 mm |
| Jun | 33.3 °C | +2.1 °C | 0 mm | -1 mm |
| Jul | 33.1 °C | +2.0 °C | 0 mm | -0 mm |
| Aug | 34.2 °C | +1.9 °C | 0 mm | -0 mm |
| Sep | 35.2 °C | +1.3 °C | 0 mm | -2 mm |
| Oct | 35.9 °C | +1.5 °C | 11 mm | -5 mm |
| Nov | 34.7 °C | +1.7 °C | 71 mm | +2 mm |
| Dec | 33.3 °C | +1.2 °C | 25 mm | -60 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 Pilão Arcado?
Pilão Arcado has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 542 mm of precipitation per year.
What is the hottest day ever recorded in Pilão Arcado?
The hottest day measured in Pilão Arcado between 1940 and 2025 was 22 September 2021, reaching 39.8 °C.
What is the coldest day in Pilão Arcado?
The coldest day measured in Pilão Arcado between 1940 and 2025 was 22 July 1981, at 16.1 °C.
Does it snow in Pilão Arcado?
Almost never: Pilão Arcado sees virtually no snow, with about 0 frost days per year.
Has the climate of Pilão Arcado warmed?
Yes: Pilão Arcado warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Pilão Arcado?
The wettest day measured in Pilão Arcado between 1940 and 2025 was 18 November 1996, with 157 mm of rain in 24 hours.
What was the windiest day in Pilão Arcado?
The windiest day measured in Pilão Arcado between 1940 and 2025 was 18 July 1970, with winds reaching 29.3 km/h.
What is the warmest month in Pilão Arcado?
The warmest month in Pilão Arcado is October (28.9 °C on average); the coldest is July (25.2 °C).
How much does it rain in Pilão Arcado?
Pilão Arcado receives on average 542 mm of precipitation per year, spread over about 63 rainy days.
Is it sunny in Pilão Arcado?
Pilão Arcado gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
Are there tropical nights in Pilão Arcado?
Yes: Pilão Arcado has on average 317 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Pilão Arcado?
In Pilão Arcado, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 3 December 2015, and the lowest was 14.9 °C on 31 July 1988.
Compare Pilão Arcado with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Pilão Arcado