Caucaia climate — normals and trends
Caucaia (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.6 °C and it receives 850 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 (27.3 °C on average) and the coldest is March (26.1 °C). Rainfall peaks in March.
Caucaia averages 0 frost days, 218 hot days (≥ 30 °C) and 139 rainy days per year.
Caucaia has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.1 °C (on 22 February 1998) and the coldest 19.8 °C (on 25 July 1975).
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
CaucaiaCeará
- coords
- -3.74°, -38.65°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.6°C
Average daily high
30.1°C
Average daily low
24.2°C
Annual rainfall
850mm
Sunshine / day
10.8h
Mean relative humidity
76%
Average peak wind
21.4km/h
Seasonal range
1.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
218 d/yr
Rainy days (≥ 1 mm)
139 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.9 °C
Average feels-like low
26.9 °C
Average peak gust
42.8 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
20.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °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
34.1 °C
22 February 1998
Coldest day
19.8 °C
25 July 1975
Wettest day
155 mm
24 February 2023
Windiest day
33.8 km/h
3 November 1944
Strongest gust
68.4 km/h
28 September 1944
Hottest feels-like
39.0 °C
26 March 1998
Coldest feels-like
20.0 °C
8 July 1942
Sunniest day
12.2 h
8 December 1953
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 | 30.3 °C | +0.2 °C | 237 mm | +151 mm |
| Feb | 29.7 °C | +0.2 °C | 186 mm | +48 mm |
| Mar | 29.6 °C | +0.7 °C | 165 mm | -38 mm |
| Apr | 29.8 °C | +0.9 °C | 130 mm | -66 mm |
| May | 29.8 °C | +0.5 °C | 69 mm | -47 mm |
| Jun | 29.6 °C | +0.1 °C | 99 mm | +54 mm |
| Jul | 30.4 °C | +0.2 °C | 15 mm | -4 mm |
| Aug | 31.1 °C | +0.1 °C | 7 mm | +3 mm |
| Sep | 31.8 °C | +0.6 °C | 2 mm | -2 mm |
| Oct | 31.7 °C | +0.5 °C | 1 mm | -3 mm |
| Nov | 31.0 °C | -0.1 °C | 2 mm | -5 mm |
| Dec | 30.9 °C | +0.1 °C | 14 mm | -15 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 Caucaia?
Caucaia has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.6 °C and it receives 850 mm of precipitation per year.
What is the hottest day ever recorded in Caucaia?
The hottest day measured in Caucaia between 1940 and 2025 was 22 February 1998, reaching 34.1 °C.
What is the coldest day in Caucaia?
The coldest day measured in Caucaia between 1940 and 2025 was 25 July 1975, at 19.8 °C.
Does it snow in Caucaia?
Almost never: Caucaia sees virtually no snow, with about 0 frost days per year.
Has the climate of Caucaia warmed?
Yes: Caucaia warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Caucaia?
The wettest day measured in Caucaia between 1940 and 2025 was 24 February 2023, with 155 mm of rain in 24 hours.
What was the windiest day in Caucaia?
The windiest day measured in Caucaia between 1940 and 2025 was 3 November 1944, with winds reaching 33.8 km/h.
What is the warmest month in Caucaia?
The warmest month in Caucaia is November (27.3 °C on average); the coldest is March (26.1 °C).
How much does it rain in Caucaia?
Caucaia receives on average 850 mm of precipitation per year, spread over about 139 rainy days.
Is it sunny in Caucaia?
Caucaia gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Caucaia?
Yes: Caucaia has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Caucaia?
In Caucaia, between 1940 and 2025, the highest apparent temperature reached 39.0 °C on 26 March 1998, and the lowest was 20.0 °C on 8 July 1942.
Compare Caucaia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Caucaia