Tanhaçu climate — normals and trends
Tanhaçu (Brazil) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 23.7 °C and it receives 648 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 (25.4 °C on average) and the coldest is July (20.9 °C). Rainfall peaks in November.
Tanhaçu averages 0 frost days, 139 hot days (≥ 30 °C) and 90 rainy days per year.
Tanhaçu 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 38.9 °C (on 23 October 1954) and the coldest 10.9 °C (on 9 July 2006).
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
TanhaçuEstado de Bahia
- coords
- -14.02°, -41.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.7°C
Average daily high
29.0°C
Average daily low
18.9°C
Annual rainfall
648mm
Sunshine / day
10.4h
Mean relative humidity
69%
Average peak wind
12.9km/h
Seasonal range
4.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
139 d/yr
Rainy days (≥ 1 mm)
90 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.8 °C
Average feels-like low
20.8 °C
Average peak gust
32.1 km/h
Tropical nights (≥ 20 °C)
132 d/yr
Solar radiation
18.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.26 · 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
38.9 °C
23 October 1954
Coldest day
10.9 °C
9 July 2006
Wettest day
138 mm
4 January 1980
Windiest day
23.6 km/h
22 September 2021
Strongest gust
57.2 km/h
13 November 1985
Hottest feels-like
42.1 °C
25 October 2023
Coldest feels-like
10.2 °C
26 July 2004
Sunniest day
12.8 h
28 November 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 | 31.6 °C | +1.2 °C | 187 mm | +106 mm |
| Feb | 31.9 °C | +1.1 °C | 18 mm | -43 mm |
| Mar | 33.4 °C | +3.0 °C | 7 mm | -77 mm |
| Apr | 32.0 °C | +2.7 °C | 63 mm | +10 mm |
| May | 28.7 °C | +0.7 °C | 40 mm | +16 mm |
| Jun | 28.2 °C | +1.5 °C | 18 mm | +0 mm |
| Jul | 27.3 °C | +1.2 °C | 10 mm | -6 mm |
| Aug | 29.2 °C | +1.9 °C | 10 mm | -2 mm |
| Sep | 30.5 °C | +1.3 °C | 14 mm | -0 mm |
| Oct | 30.6 °C | +0.1 °C | 32 mm | -15 mm |
| Nov | 30.5 °C | +0.7 °C | 100 mm | -23 mm |
| Dec | 31.3 °C | +1.5 °C | 55 mm | -59 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 Tanhaçu?
Tanhaçu has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 23.7 °C and it receives 648 mm of precipitation per year.
What is the hottest day ever recorded in Tanhaçu?
The hottest day measured in Tanhaçu between 1940 and 2025 was 23 October 1954, reaching 38.9 °C.
What is the coldest day in Tanhaçu?
The coldest day measured in Tanhaçu between 1940 and 2025 was 9 July 2006, at 10.9 °C.
Does it snow in Tanhaçu?
Almost never: Tanhaçu sees virtually no snow, with about 0 frost days per year.
Has the climate of Tanhaçu warmed?
Yes: Tanhaçu warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tanhaçu?
The wettest day measured in Tanhaçu between 1940 and 2025 was 4 January 1980, with 138 mm of rain in 24 hours.
What was the windiest day in Tanhaçu?
The windiest day measured in Tanhaçu between 1940 and 2025 was 22 September 2021, with winds reaching 23.6 km/h.
What is the warmest month in Tanhaçu?
The warmest month in Tanhaçu is February (25.4 °C on average); the coldest is July (20.9 °C).
How much does it rain in Tanhaçu?
Tanhaçu receives on average 648 mm of precipitation per year, spread over about 90 rainy days.
Is it sunny in Tanhaçu?
Tanhaçu gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Tanhaçu?
Yes: Tanhaçu has on average 132 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tanhaçu?
In Tanhaçu, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 25 October 2023, and the lowest was 10.2 °C on 26 July 2004.
Compare Tanhaçu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tanhaçu