Cocal climate — normals and trends
Cocal (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 27.2 °C and it receives 1,468 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 March (25.4 °C). Rainfall peaks in March.
Cocal averages 0 frost days, 292 hot days (≥ 30 °C) and 130 rainy days per year.
Cocal has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.9 °C (on 14 December 2012) and the coldest 17.7 °C (on 15 June 2022).
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
CocalPiauí
- coords
- -3.47°, -41.56°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.2°C
Average daily high
32.6°C
Average daily low
22.8°C
Annual rainfall
1,468mm
Sunshine / day
10.9h
Mean relative humidity
68%
Average peak wind
15.5km/h
Seasonal range
3.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
292 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.6 °C
Average feels-like low
25.5 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
363 d/yr
Solar radiation
20.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.20 · 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
14 December 2012
Coldest day
17.7 °C
15 June 2022
Wettest day
222 mm
15 January 1980
Windiest day
28.6 km/h
13 October 1943
Strongest gust
59.8 km/h
2 March 2013
Hottest feels-like
42.5 °C
31 October 2012
Coldest feels-like
18.4 °C
4 July 1974
Sunniest day
12.2 h
12 November 1942
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 | 31.7 °C | -0.2 °C | 342 mm | +162 mm |
| Feb | 31.0 °C | +0.4 °C | 200 mm | -41 mm |
| Mar | 30.6 °C | +0.7 °C | 310 mm | -50 mm |
| Apr | 30.8 °C | +1.0 °C | 190 mm | -156 mm |
| May | 31.3 °C | +0.8 °C | 42 mm | -162 mm |
| Jun | 31.6 °C | +0.1 °C | 12 mm | -30 mm |
| Jul | 33.1 °C | +0.5 °C | 6 mm | -11 mm |
| Aug | 34.4 °C | +0.4 °C | 7 mm | +2 mm |
| Sep | 35.9 °C | +0.9 °C | 0 mm | -2 mm |
| Oct | 36.5 °C | +1.0 °C | 1 mm | -6 mm |
| Nov | 35.7 °C | +0.4 °C | 1 mm | -10 mm |
| Dec | 34.2 °C | +0.1 °C | 17 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 Cocal?
Cocal has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 27.2 °C and it receives 1,468 mm of precipitation per year.
What is the hottest day ever recorded in Cocal?
The hottest day measured in Cocal between 1940 and 2025 was 14 December 2012, reaching 38.9 °C.
What is the coldest day in Cocal?
The coldest day measured in Cocal between 1940 and 2025 was 15 June 2022, at 17.7 °C.
Does it snow in Cocal?
Almost never: Cocal sees virtually no snow, with about 0 frost days per year.
Has the climate of Cocal warmed?
Yes: Cocal warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cocal?
The wettest day measured in Cocal between 1940 and 2025 was 15 January 1980, with 222 mm of rain in 24 hours.
What was the windiest day in Cocal?
The windiest day measured in Cocal between 1940 and 2025 was 13 October 1943, with winds reaching 28.6 km/h.
What is the warmest month in Cocal?
The warmest month in Cocal is October (28.9 °C on average); the coldest is March (25.4 °C).
How much does it rain in Cocal?
Cocal receives on average 1,468 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Cocal?
Cocal gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Cocal?
Yes: Cocal has on average 363 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Cocal?
In Cocal, between 1940 and 2025, the highest apparent temperature reached 42.5 °C on 31 October 2012, and the lowest was 18.4 °C on 4 July 1974.
Compare Cocal with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cocal