Casa Nova climate — normals and trends
Casa Nova (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 26.3 °C and it receives 472 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 (27.9 °C on average) and the coldest is July (24.0 °C). Rainfall peaks in March.
Casa Nova averages 0 frost days, 238 hot days (≥ 30 °C) and 61 rainy days per year.
Casa Nova has warmed by +1.0 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.2 °C (on 3 December 2019) and the coldest 15.6 °C (on 8 August 1989).
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
Casa NovaEstado de Bahia
- coords
- -9.17°, -40.98°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.3°C
Average daily high
30.9°C
Average daily low
22.1°C
Annual rainfall
472mm
Sunshine / day
10.9h
Mean relative humidity
62%
Average peak wind
22.3km/h
Seasonal range
3.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
238 d/yr
Rainy days (≥ 1 mm)
61 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.0 °C
Average feels-like low
22.8 °C
Average peak gust
39.8 km/h
Tropical nights (≥ 20 °C)
311 d/yr
Solar radiation
21.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.21 · 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
38.2 °C
3 December 2019
Coldest day
15.6 °C
8 August 1989
Wettest day
158 mm
15 January 1979
Windiest day
39.7 km/h
23 June 1942
Strongest gust
65.2 km/h
17 July 1988
Hottest feels-like
41.8 °C
20 October 2018
Coldest feels-like
13.9 °C
8 August 1989
Sunniest day
12.5 h
19 December 2025
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 31.0 °C | -0.4 °C | 140 mm | +49 mm |
| Feb | 32.6 °C | +1.4 °C | 8 mm | -72 mm |
| Mar | 33.6 °C | +2.8 °C | 7 mm | -104 mm |
| Apr | 32.8 °C | +2.1 °C | 75 mm | +17 mm |
| May | 31.2 °C | +1.0 °C | 6 mm | -4 mm |
| Jun | 30.1 °C | +0.9 °C | 6 mm | +2 mm |
| Jul | 29.9 °C | +1.1 °C | 1 mm | -2 mm |
| Aug | 30.9 °C | +1.1 °C | 1 mm | +0 mm |
| Sep | 31.7 °C | +0.2 °C | 1 mm | -0 mm |
| Oct | 33.0 °C | +0.1 °C | 3 mm | -8 mm |
| Nov | 33.5 °C | +0.9 °C | 9 mm | -32 mm |
| Dec | 33.2 °C | +1.2 °C | 5 mm | -58 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 Casa Nova?
Casa Nova has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 26.3 °C and it receives 472 mm of precipitation per year.
What is the hottest day ever recorded in Casa Nova?
The hottest day measured in Casa Nova between 1940 and 2025 was 3 December 2019, reaching 38.2 °C.
What is the coldest day in Casa Nova?
The coldest day measured in Casa Nova between 1940 and 2025 was 8 August 1989, at 15.6 °C.
Does it snow in Casa Nova?
Almost never: Casa Nova sees virtually no snow, with about 0 frost days per year.
Has the climate of Casa Nova warmed?
Yes: Casa Nova warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Casa Nova?
The wettest day measured in Casa Nova between 1940 and 2025 was 15 January 1979, with 158 mm of rain in 24 hours.
What was the windiest day in Casa Nova?
The windiest day measured in Casa Nova between 1940 and 2025 was 23 June 1942, with winds reaching 39.7 km/h.
What is the warmest month in Casa Nova?
The warmest month in Casa Nova is November (27.9 °C on average); the coldest is July (24.0 °C).
How much does it rain in Casa Nova?
Casa Nova receives on average 472 mm of precipitation per year, spread over about 61 rainy days.
Is it sunny in Casa Nova?
Casa Nova gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Casa Nova?
Yes: Casa Nova has on average 311 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Casa Nova?
In Casa Nova, between 1940 and 2025, the highest apparent temperature reached 41.8 °C on 20 October 2018, and the lowest was 13.9 °C on 8 August 1989.
Compare Casa Nova with another city
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Nearby cities
The climate around Casa Nova