Irauçuba climate — normals and trends
Irauçuba (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.5 °C and it receives 977 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 (27.5 °C on average) and the coldest is March (25.4 °C). Rainfall peaks in March.
Irauçuba averages 0 frost days, 265 hot days (≥ 30 °C) and 128 rainy days per year.
Irauçuba 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 36.6 °C (on 12 February 2013) and the coldest 18.8 °C (on 4 July 1974).
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
IrauçubaCeará
- coords
- -3.75°, -39.78°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.5°C
Average daily high
31.5°C
Average daily low
22.9°C
Annual rainfall
977mm
Sunshine / day
10.8h
Mean relative humidity
73%
Average peak wind
19.6km/h
Seasonal range
2.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
265 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.8 °C
Average feels-like low
25.8 °C
Average peak gust
41.2 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
20.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.34 · 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
12 February 2013
Coldest day
18.8 °C
4 July 1974
Wettest day
238 mm
7 April 1994
Windiest day
33.0 km/h
17 July 1947
Strongest gust
65.2 km/h
4 October 1958
Hottest feels-like
39.8 °C
24 March 2020
Coldest feels-like
18.1 °C
4 July 1974
Sunniest day
12.2 h
5 December 1980
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 | 31.0 °C | -0.3 °C | 211 mm | +95 mm |
| Feb | 30.2 °C | 0.0 °C | 212 mm | +42 mm |
| Mar | 30.0 °C | +0.6 °C | 217 mm | -43 mm |
| Apr | 30.3 °C | +0.9 °C | 143 mm | -85 mm |
| May | 30.1 °C | +0.3 °C | 49 mm | -61 mm |
| Jun | 30.4 °C | 0.0 °C | 38 mm | +8 mm |
| Jul | 31.7 °C | +0.2 °C | 4 mm | -9 mm |
| Aug | 33.0 °C | +0.2 °C | 5 mm | +2 mm |
| Sep | 34.1 °C | +0.6 °C | 0 mm | -2 mm |
| Oct | 34.4 °C | +0.7 °C | 2 mm | -2 mm |
| Nov | 33.3 °C | -0.2 °C | 2 mm | -6 mm |
| Dec | 32.5 °C | -0.2 °C | 16 mm | -19 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 Irauçuba?
Irauçuba has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.5 °C and it receives 977 mm of precipitation per year.
What is the hottest day ever recorded in Irauçuba?
The hottest day measured in Irauçuba between 1940 and 2025 was 12 February 2013, reaching 36.6 °C.
What is the coldest day in Irauçuba?
The coldest day measured in Irauçuba between 1940 and 2025 was 4 July 1974, at 18.8 °C.
Does it snow in Irauçuba?
Almost never: Irauçuba sees virtually no snow, with about 0 frost days per year.
Has the climate of Irauçuba warmed?
Yes: Irauçuba warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Irauçuba?
The wettest day measured in Irauçuba between 1940 and 2025 was 7 April 1994, with 238 mm of rain in 24 hours.
What was the windiest day in Irauçuba?
The windiest day measured in Irauçuba between 1940 and 2025 was 17 July 1947, with winds reaching 33.0 km/h.
What is the warmest month in Irauçuba?
The warmest month in Irauçuba is November (27.5 °C on average); the coldest is March (25.4 °C).
How much does it rain in Irauçuba?
Irauçuba receives on average 977 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in Irauçuba?
Irauçuba gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Irauçuba?
Yes: Irauçuba has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Irauçuba?
In Irauçuba, between 1940 and 2025, the highest apparent temperature reached 39.8 °C on 24 March 2020, and the lowest was 18.1 °C on 4 July 1974.
Compare Irauçuba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Irauçuba