Guaiúba climate — normals and trends
Guaiúba (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.1 °C and it receives 922 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 (27.0 °C on average) and the coldest is April (25.4 °C). Rainfall peaks in March.
Guaiúba averages 0 frost days, 240 hot days (≥ 30 °C) and 148 rainy days per year.
Guaiúba has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 35.7 °C (on 29 October 2021) and the coldest 17.9 °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
GuaiúbaCeará
- coords
- -4.04°, -38.64°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.1°C
Average daily high
30.7°C
Average daily low
23.0°C
Annual rainfall
922mm
Sunshine / day
10.7h
Mean relative humidity
77%
Average peak wind
18.3km/h
Seasonal range
1.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
240 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.5 °C
Average feels-like low
26.1 °C
Average peak gust
41.9 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
20.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.47 · 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
35.7 °C
29 October 2021
Coldest day
17.9 °C
25 July 1975
Wettest day
131 mm
24 February 2023
Windiest day
30.6 km/h
3 November 1944
Strongest gust
69.1 km/h
28 September 1944
Hottest feels-like
40.5 °C
2 March 2024
Coldest feels-like
18.5 °C
25 July 1975
Sunniest day
12.2 h
15 December 2014
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 | 30.8 °C | +0.2 °C | 231 mm | +129 mm |
| Feb | 30.0 °C | +0.2 °C | 195 mm | +45 mm |
| Mar | 29.8 °C | +0.6 °C | 185 mm | -35 mm |
| Apr | 30.1 °C | +1.0 °C | 116 mm | -87 mm |
| May | 30.0 °C | +0.7 °C | 60 mm | -58 mm |
| Jun | 29.8 °C | +0.2 °C | 96 mm | +50 mm |
| Jul | 30.7 °C | +0.2 °C | 13 mm | -8 mm |
| Aug | 31.9 °C | 0.0 °C | 7 mm | +2 mm |
| Sep | 33.0 °C | +0.8 °C | 1 mm | -3 mm |
| Oct | 33.0 °C | +0.7 °C | 1 mm | -6 mm |
| Nov | 32.0 °C | -0.1 °C | 5 mm | -5 mm |
| Dec | 31.6 °C | 0.0 °C | 18 mm | -18 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 Guaiúba?
Guaiúba has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.1 °C and it receives 922 mm of precipitation per year.
What is the hottest day ever recorded in Guaiúba?
The hottest day measured in Guaiúba between 1940 and 2025 was 29 October 2021, reaching 35.7 °C.
What is the coldest day in Guaiúba?
The coldest day measured in Guaiúba between 1940 and 2025 was 25 July 1975, at 17.9 °C.
Does it snow in Guaiúba?
Almost never: Guaiúba sees virtually no snow, with about 0 frost days per year.
Has the climate of Guaiúba warmed?
Yes: Guaiúba warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Guaiúba?
The wettest day measured in Guaiúba between 1940 and 2025 was 24 February 2023, with 131 mm of rain in 24 hours.
What was the windiest day in Guaiúba?
The windiest day measured in Guaiúba between 1940 and 2025 was 3 November 1944, with winds reaching 30.6 km/h.
What is the warmest month in Guaiúba?
The warmest month in Guaiúba is November (27.0 °C on average); the coldest is April (25.4 °C).
How much does it rain in Guaiúba?
Guaiúba receives on average 922 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Guaiúba?
Guaiúba gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Guaiúba?
Yes: Guaiúba has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Guaiúba?
In Guaiúba, between 1940 and 2025, the highest apparent temperature reached 40.5 °C on 2 March 2024, and the lowest was 18.5 °C on 25 July 1975.
Compare Guaiúba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Guaiúba