Riachão das Neves climate — normals and trends
Riachão das Neves (Brazil) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.2 °C and it receives 969 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 October (27.6 °C on average) and the coldest is July (23.8 °C). Rainfall peaks in December.
Riachão das Neves averages 0 frost days, 206 hot days (≥ 30 °C) and 103 rainy days per year.
Riachão das Neves has warmed by +0.9 °C between 1940 and 2025, or +0.10 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.7 °C (on 20 October 1963) and the coldest 13.0 °C (on 30 June 2022).
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 das NevesEstado de Bahia
- coords
- -11.75°, -44.91°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.2°C
Average daily high
30.5°C
Average daily low
20.4°C
Annual rainfall
969mm
Sunshine / day
10.7h
Mean relative humidity
62%
Average peak wind
11.1km/h
Seasonal range
3.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
206 d/yr
Rainy days (≥ 1 mm)
103 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.1 °C
Average feels-like low
21.7 °C
Average peak gust
29.7 km/h
Tropical nights (≥ 20 °C)
230 d/yr
Solar radiation
20.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.14 · 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
39.7 °C
20 October 1963
Coldest day
13.0 °C
30 June 2022
Wettest day
182 mm
20 January 1964
Windiest day
24.5 km/h
14 July 1985
Strongest gust
55.4 km/h
20 December 1953
Hottest feels-like
42.2 °C
1 November 2012
Coldest feels-like
11.8 °C
27 July 1985
Sunniest day
12.5 h
24 November 1958
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 | 29.8 °C | +0.2 °C | 234 mm | +69 mm |
| Feb | 31.3 °C | +1.9 °C | 25 mm | -111 mm |
| Mar | 32.6 °C | +3.4 °C | 45 mm | -114 mm |
| Apr | 32.2 °C | +2.8 °C | 32 mm | -46 mm |
| May | 31.4 °C | +1.6 °C | 16 mm | -4 mm |
| Jun | 32.0 °C | +2.3 °C | 0 mm | -2 mm |
| Jul | 31.3 °C | +1.5 °C | 0 mm | -1 mm |
| Aug | 32.7 °C | +1.4 °C | 0 mm | -1 mm |
| Sep | 34.7 °C | +1.4 °C | 0 mm | -8 mm |
| Oct | 34.6 °C | +1.3 °C | 18 mm | -48 mm |
| Nov | 32.2 °C | +1.3 °C | 148 mm | -14 mm |
| Dec | 30.0 °C | +0.1 °C | 124 mm | -49 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 das Neves?
Riachão das Neves has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.2 °C and it receives 969 mm of precipitation per year.
What is the hottest day ever recorded in Riachão das Neves?
The hottest day measured in Riachão das Neves between 1940 and 2025 was 20 October 1963, reaching 39.7 °C.
What is the coldest day in Riachão das Neves?
The coldest day measured in Riachão das Neves between 1940 and 2025 was 30 June 2022, at 13.0 °C.
Does it snow in Riachão das Neves?
Almost never: Riachão das Neves sees virtually no snow, with about 0 frost days per year.
Has the climate of Riachão das Neves warmed?
Yes: Riachão das Neves warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Riachão das Neves?
The wettest day measured in Riachão das Neves between 1940 and 2025 was 20 January 1964, with 182 mm of rain in 24 hours.
What was the windiest day in Riachão das Neves?
The windiest day measured in Riachão das Neves between 1940 and 2025 was 14 July 1985, with winds reaching 24.5 km/h.
What is the warmest month in Riachão das Neves?
The warmest month in Riachão das Neves is October (27.6 °C on average); the coldest is July (23.8 °C).
How much does it rain in Riachão das Neves?
Riachão das Neves receives on average 969 mm of precipitation per year, spread over about 103 rainy days.
Is it sunny in Riachão das Neves?
Riachão das Neves gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Riachão das Neves?
Yes: Riachão das Neves has on average 230 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Riachão das Neves?
In Riachão das Neves, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 1 November 2012, and the lowest was 11.8 °C on 27 July 1985.
Compare Riachão das Neves with another city
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Nearby cities
The climate around Riachão das Neves