Tibau do Sul climate — normals and trends
Tibau do Sul (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.8 °C and it receives 1,154 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 February (26.6 °C on average) and the coldest is July (24.6 °C). Rainfall peaks in April.
Tibau do Sul averages 0 frost days, 1 hot days (≥ 30 °C) and 238 rainy days per year.
Tibau do Sul has warmed by +0.8 °C between 1940 and 2025, or +0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.3 °C (on 20 March 1988) and the coldest 21.6 °C (on 27 August 1943).
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
Tibau do SulRio Grande do Norte
- coords
- -6.19°, -35.09°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.8°C
Average daily high
27.5°C
Average daily low
24.3°C
Annual rainfall
1,154mm
Sunshine / day
11.2h
Mean relative humidity
80%
Average peak wind
24.2km/h
Seasonal range
2.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
238 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.3 °C
Average feels-like low
26.5 °C
Average peak gust
39.7 km/h
Tropical nights (≥ 20 °C)
364 d/yr
Solar radiation
20.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.8 °C
since 1940
+0.1 °C per decade · r² = 0.53 · 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
31.3 °C
20 March 1988
Coldest day
21.6 °C
27 August 1943
Wettest day
152 mm
21 March 1974
Windiest day
41.1 km/h
31 August 1948
Strongest gust
65.5 km/h
7 July 2017
Hottest feels-like
38.5 °C
2 March 2024
Coldest feels-like
20.7 °C
19 September 1955
Sunniest day
12.4 h
2 January 1941
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 | 28.7 °C | +0.5 °C | 84 mm | +12 mm |
| Feb | 28.4 °C | +0.1 °C | 119 mm | +20 mm |
| Mar | 28.5 °C | +0.3 °C | 154 mm | +2 mm |
| Apr | 28.8 °C | +0.8 °C | 99 mm | -78 mm |
| May | 28.0 °C | +0.5 °C | 186 mm | +26 mm |
| Jun | 27.2 °C | +0.5 °C | 169 mm | +13 mm |
| Jul | 26.0 °C | -0.2 °C | 190 mm | +53 mm |
| Aug | 26.5 °C | +0.2 °C | 93 mm | +25 mm |
| Sep | 26.9 °C | +0.1 °C | 51 mm | +9 mm |
| Oct | 27.2 °C | -0.2 °C | 38 mm | +9 mm |
| Nov | 27.8 °C | -0.1 °C | 17 mm | -7 mm |
| Dec | 28.2 °C | +0.1 °C | 22 mm | -17 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 Tibau do Sul?
Tibau do Sul has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.8 °C and it receives 1,154 mm of precipitation per year.
What is the hottest day ever recorded in Tibau do Sul?
The hottest day measured in Tibau do Sul between 1940 and 2025 was 20 March 1988, reaching 31.3 °C.
What is the coldest day in Tibau do Sul?
The coldest day measured in Tibau do Sul between 1940 and 2025 was 27 August 1943, at 21.6 °C.
Does it snow in Tibau do Sul?
Almost never: Tibau do Sul sees virtually no snow, with about 0 frost days per year.
Has the climate of Tibau do Sul warmed?
Yes: Tibau do Sul warmed by +0.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tibau do Sul?
The wettest day measured in Tibau do Sul between 1940 and 2025 was 21 March 1974, with 152 mm of rain in 24 hours.
What was the windiest day in Tibau do Sul?
The windiest day measured in Tibau do Sul between 1940 and 2025 was 31 August 1948, with winds reaching 41.1 km/h.
What is the warmest month in Tibau do Sul?
The warmest month in Tibau do Sul is February (26.6 °C on average); the coldest is July (24.6 °C).
How much does it rain in Tibau do Sul?
Tibau do Sul receives on average 1,154 mm of precipitation per year, spread over about 238 rainy days.
Is it sunny in Tibau do Sul?
Tibau do Sul gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
Are there tropical nights in Tibau do Sul?
Yes: Tibau do Sul has on average 364 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tibau do Sul?
In Tibau do Sul, between 1940 and 2025, the highest apparent temperature reached 38.5 °C on 2 March 2024, and the lowest was 20.7 °C on 19 September 1955.
Compare Tibau do Sul with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tibau do Sul