Tsiombe climate — normals and trends
Tsiombe (Madagascar) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 23.2 °C and it receives 616 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 January (26.5 °C on average) and the coldest is July (19.2 °C). Rainfall peaks in January.
Tsiombe averages 0 frost days, 155 hot days (≥ 30 °C) and 99 rainy days per year.
Tsiombe 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 41.7 °C (on 26 November 1951) and the coldest 8.4 °C (on 27 July 1975).
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
TsiombeAndroy
- coords
- -25.30°, 45.48°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.2°C
Average daily high
29.1°C
Average daily low
19.1°C
Annual rainfall
616mm
Sunshine / day
11.1h
Mean relative humidity
72%
Average peak wind
19.1km/h
Seasonal range
7.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
155 d/yr
Rainy days (≥ 1 mm)
99 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.6 °C
Average feels-like low
20.2 °C
Average peak gust
40.3 km/h
Tropical nights (≥ 20 °C)
161 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.46 · 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
41.7 °C
26 November 1951
Coldest day
8.4 °C
27 July 1975
Wettest day
199 mm
18 February 2011
Windiest day
53.9 km/h
1 March 2025
Strongest gust
116.3 km/h
1 March 2025
Hottest feels-like
45.1 °C
12 January 2025
Coldest feels-like
6.9 °C
9 July 2015
Sunniest day
13.6 h
17 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 | 35.2 °C | +3.5 °C | 196 mm | +68 mm |
| Feb | 30.7 °C | -0.8 °C | 187 mm | +73 mm |
| Mar | 29.2 °C | -1.3 °C | 279 mm | +199 mm |
| Apr | 29.6 °C | +0.4 °C | 16 mm | -21 mm |
| May | 27.0 °C | +0.1 °C | 17 mm | -4 mm |
| Jun | 25.9 °C | +0.7 °C | 5 mm | -6 mm |
| Jul | 24.4 °C | -0.5 °C | 16 mm | +6 mm |
| Aug | 26.0 °C | -0.5 °C | 19 mm | +9 mm |
| Sep | 29.9 °C | +1.1 °C | 2 mm | -10 mm |
| Oct | 30.4 °C | -0.2 °C | 19 mm | -6 mm |
| Nov | 29.8 °C | -1.4 °C | 30 mm | -22 mm |
| Dec | 32.4 °C | +0.8 °C | 74 mm | -44 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 Tsiombe?
Tsiombe has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 23.2 °C and it receives 616 mm of precipitation per year.
What is the hottest day ever recorded in Tsiombe?
The hottest day measured in Tsiombe between 1940 and 2025 was 26 November 1951, reaching 41.7 °C.
What is the coldest day in Tsiombe?
The coldest day measured in Tsiombe between 1940 and 2025 was 27 July 1975, at 8.4 °C.
Does it snow in Tsiombe?
Almost never: Tsiombe sees virtually no snow, with about 0 frost days per year.
Has the climate of Tsiombe warmed?
Yes: Tsiombe warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tsiombe?
The wettest day measured in Tsiombe between 1940 and 2025 was 18 February 2011, with 199 mm of rain in 24 hours.
What was the windiest day in Tsiombe?
The windiest day measured in Tsiombe between 1940 and 2025 was 1 March 2025, with winds reaching 53.9 km/h.
What is the warmest month in Tsiombe?
The warmest month in Tsiombe is January (26.5 °C on average); the coldest is July (19.2 °C).
How much does it rain in Tsiombe?
Tsiombe receives on average 616 mm of precipitation per year, spread over about 99 rainy days.
Is it sunny in Tsiombe?
Tsiombe gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
Are there tropical nights in Tsiombe?
Yes: Tsiombe has on average 161 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tsiombe?
In Tsiombe, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 12 January 2025, and the lowest was 6.9 °C on 9 July 2015.
Compare Tsiombe with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tsiombe