Arapiraca climate — normals and trends
Arapiraca (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 25.3 °C and it receives 535 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 January (27.0 °C on average) and the coldest is July (22.7 °C). Rainfall peaks in May.
Arapiraca averages 0 frost days, 199 hot days (≥ 30 °C) and 153 rainy days per year.
Arapiraca has warmed by +0.8 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.9 °C (on 20 March 2019) and the coldest 14.7 °C (on 15 September 1968).
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
ArapiracaAlagoas
- coords
- -9.75°, -36.66°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.3°C
Average daily high
30.3°C
Average daily low
21.6°C
Annual rainfall
535mm
Sunshine / day
10.8h
Mean relative humidity
74%
Average peak wind
17.3km/h
Seasonal range
4.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
199 d/yr
Rainy days (≥ 1 mm)
153 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.7 °C
Average feels-like low
24.4 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
305 d/yr
Solar radiation
19.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.31 · 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
38.9 °C
20 March 2019
Coldest day
14.7 °C
15 September 1968
Wettest day
138 mm
18 November 2014
Windiest day
27.2 km/h
17 June 1967
Strongest gust
55.8 km/h
29 December 1942
Hottest feels-like
42.9 °C
20 March 2019
Coldest feels-like
14.7 °C
15 September 1968
Sunniest day
12.6 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 | 32.7 °C | 0.0 °C | 93 mm | +61 mm |
| Feb | 31.7 °C | -0.8 °C | 49 mm | +8 mm |
| Mar | 32.4 °C | +0.2 °C | 23 mm | -41 mm |
| Apr | 33.3 °C | +2.5 °C | 15 mm | -55 mm |
| May | 29.5 °C | +0.6 °C | 101 mm | +30 mm |
| Jun | 26.9 °C | -0.3 °C | 100 mm | +34 mm |
| Jul | 26.5 °C | 0.0 °C | 46 mm | -14 mm |
| Aug | 26.7 °C | -0.3 °C | 60 mm | +18 mm |
| Sep | 27.5 °C | -1.3 °C | 50 mm | +20 mm |
| Oct | 30.0 °C | -1.2 °C | 23 mm | +5 mm |
| Nov | 33.1 °C | +0.5 °C | 4 mm | -17 mm |
| Dec | 33.6 °C | +0.7 °C | 7 mm | -14 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 Arapiraca?
Arapiraca has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 25.3 °C and it receives 535 mm of precipitation per year.
What is the hottest day ever recorded in Arapiraca?
The hottest day measured in Arapiraca between 1940 and 2025 was 20 March 2019, reaching 38.9 °C.
What is the coldest day in Arapiraca?
The coldest day measured in Arapiraca between 1940 and 2025 was 15 September 1968, at 14.7 °C.
Does it snow in Arapiraca?
Almost never: Arapiraca sees virtually no snow, with about 0 frost days per year.
Has the climate of Arapiraca warmed?
Yes: Arapiraca warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Arapiraca?
The wettest day measured in Arapiraca between 1940 and 2025 was 18 November 2014, with 138 mm of rain in 24 hours.
What was the windiest day in Arapiraca?
The windiest day measured in Arapiraca between 1940 and 2025 was 17 June 1967, with winds reaching 27.2 km/h.
What is the warmest month in Arapiraca?
The warmest month in Arapiraca is January (27.0 °C on average); the coldest is July (22.7 °C).
How much does it rain in Arapiraca?
Arapiraca receives on average 535 mm of precipitation per year, spread over about 153 rainy days.
Is it sunny in Arapiraca?
Arapiraca gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Arapiraca?
Yes: Arapiraca has on average 305 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Arapiraca?
In Arapiraca, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 20 March 2019, and the lowest was 14.7 °C on 15 September 1968.
Compare Arapiraca with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Arapiraca