Riachão do Dantas climate — normals and trends
Riachão do Dantas (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 24.6 °C and it receives 656 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 (26.2 °C on average) and the coldest is July (22.2 °C). Rainfall peaks in May.
Riachão do Dantas averages 0 frost days, 149 hot days (≥ 30 °C) and 187 rainy days per year.
Riachão do Dantas 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 38.4 °C (on 20 March 2019) and the coldest 15.0 °C (on 22 July 1967).
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
Riachão do DantasSergipe
- coords
- -11.07°, -37.73°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
24.6°C
Average daily high
29.2°C
Average daily low
21.3°C
Annual rainfall
656mm
Sunshine / day
10.8h
Mean relative humidity
79%
Average peak wind
16.6km/h
Seasonal range
4.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
149 d/yr
Rainy days (≥ 1 mm)
187 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.0 °C
Average feels-like low
24.1 °C
Average peak gust
36.7 km/h
Tropical nights (≥ 20 °C)
283 d/yr
Solar radiation
19.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.49 · 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
38.4 °C
20 March 2019
Coldest day
15.0 °C
22 July 1967
Wettest day
77 mm
2 June 2023
Windiest day
26.8 km/h
23 June 1942
Strongest gust
57.2 km/h
23 June 1942
Hottest feels-like
43.0 °C
3 January 2016
Coldest feels-like
14.9 °C
10 July 1963
Sunniest day
12.7 h
20 December 1940
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 | 32.2 °C | +0.9 °C | 85 mm | +41 mm |
| Feb | 31.2 °C | -0.1 °C | 45 mm | -3 mm |
| Mar | 31.4 °C | +0.3 °C | 40 mm | -27 mm |
| Apr | 32.8 °C | +2.9 °C | 26 mm | -48 mm |
| May | 27.8 °C | -0.3 °C | 155 mm | +76 mm |
| Jun | 26.4 °C | -0.2 °C | 109 mm | +37 mm |
| Jul | 26.4 °C | +0.5 °C | 47 mm | -20 mm |
| Aug | 26.6 °C | +0.4 °C | 64 mm | +8 mm |
| Sep | 27.0 °C | -0.6 °C | 51 mm | +10 mm |
| Oct | 28.5 °C | -1.1 °C | 88 mm | +56 mm |
| Nov | 31.3 °C | +0.4 °C | 27 mm | -11 mm |
| Dec | 32.3 °C | +1.0 °C | 10 mm | -27 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 Riachão do Dantas?
Riachão do Dantas has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 24.6 °C and it receives 656 mm of precipitation per year.
What is the hottest day ever recorded in Riachão do Dantas?
The hottest day measured in Riachão do Dantas between 1940 and 2025 was 20 March 2019, reaching 38.4 °C.
What is the coldest day in Riachão do Dantas?
The coldest day measured in Riachão do Dantas between 1940 and 2025 was 22 July 1967, at 15.0 °C.
Does it snow in Riachão do Dantas?
Almost never: Riachão do Dantas sees virtually no snow, with about 0 frost days per year.
Has the climate of Riachão do Dantas warmed?
Yes: Riachão do Dantas warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Riachão do Dantas?
The wettest day measured in Riachão do Dantas between 1940 and 2025 was 2 June 2023, with 77 mm of rain in 24 hours.
What was the windiest day in Riachão do Dantas?
The windiest day measured in Riachão do Dantas between 1940 and 2025 was 23 June 1942, with winds reaching 26.8 km/h.
What is the warmest month in Riachão do Dantas?
The warmest month in Riachão do Dantas is February (26.2 °C on average); the coldest is July (22.2 °C).
How much does it rain in Riachão do Dantas?
Riachão do Dantas receives on average 656 mm of precipitation per year, spread over about 187 rainy days.
Is it sunny in Riachão do Dantas?
Riachão do Dantas gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
Are there tropical nights in Riachão do Dantas?
Yes: Riachão do Dantas has on average 283 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Riachão do Dantas?
In Riachão do Dantas, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 3 January 2016, and the lowest was 14.9 °C on 10 July 1963.
Compare Riachão do Dantas with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Riachão do Dantas