Ampanihy climate — normals and trends
Ampanihy (Madagascar) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 23.4 °C and it receives 546 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.
Ampanihy averages 0 frost days, 181 hot days (≥ 30 °C) and 79 rainy days per year.
Ampanihy 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 42.1 °C (on 25 November 1951) and the coldest 7.2 °C (on 16 July 1965).
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
AmpanihyAtsimo-Andrefana
- coords
- -24.69°, 44.75°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.4°C
Average daily high
29.8°C
Average daily low
18.6°C
Annual rainfall
546mm
Sunshine / day
10.9h
Mean relative humidity
68%
Average peak wind
17.8km/h
Seasonal range
7.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
181 d/yr
Rainy days (≥ 1 mm)
79 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.1 °C
Average feels-like low
19.4 °C
Average peak gust
36.8 km/h
Tropical nights (≥ 20 °C)
147 d/yr
Solar radiation
19.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.36 · 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
42.1 °C
25 November 1951
Coldest day
7.2 °C
16 July 1965
Wettest day
200 mm
21 February 1983
Windiest day
60.8 km/h
25 March 1982
Strongest gust
130.3 km/h
25 March 1982
Hottest feels-like
44.8 °C
11 January 2025
Coldest feels-like
4.7 °C
16 July 1965
Sunniest day
13.5 h
31 December 2025
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 | 33.7 °C | +1.5 °C | 260 mm | +127 mm |
| Feb | 30.8 °C | -1.3 °C | 304 mm | +197 mm |
| Mar | 29.7 °C | -1.6 °C | 151 mm | +78 mm |
| Apr | 30.0 °C | 0.0 °C | 6 mm | -19 mm |
| May | 27.4 °C | -0.2 °C | 14 mm | 0 mm |
| Jun | 26.1 °C | +0.4 °C | 4 mm | -3 mm |
| Jul | 25.3 °C | -0.3 °C | 2 mm | -3 mm |
| Aug | 26.9 °C | -0.4 °C | 13 mm | +7 mm |
| Sep | 30.9 °C | +1.0 °C | 1 mm | -7 mm |
| Oct | 31.3 °C | -0.4 °C | 14 mm | -5 mm |
| Nov | 31.2 °C | -1.1 °C | 18 mm | -24 mm |
| Dec | 32.0 °C | -0.1 °C | 104 mm | -4 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 Ampanihy?
Ampanihy has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 23.4 °C and it receives 546 mm of precipitation per year.
What is the hottest day ever recorded in Ampanihy?
The hottest day measured in Ampanihy between 1940 and 2025 was 25 November 1951, reaching 42.1 °C.
What is the coldest day in Ampanihy?
The coldest day measured in Ampanihy between 1940 and 2025 was 16 July 1965, at 7.2 °C.
Does it snow in Ampanihy?
Almost never: Ampanihy sees virtually no snow, with about 0 frost days per year.
Has the climate of Ampanihy warmed?
Yes: Ampanihy warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ampanihy?
The wettest day measured in Ampanihy between 1940 and 2025 was 21 February 1983, with 200 mm of rain in 24 hours.
What was the windiest day in Ampanihy?
The windiest day measured in Ampanihy between 1940 and 2025 was 25 March 1982, with winds reaching 60.8 km/h.
What is the warmest month in Ampanihy?
The warmest month in Ampanihy is January (26.5 °C on average); the coldest is July (19.2 °C).
How much does it rain in Ampanihy?
Ampanihy receives on average 546 mm of precipitation per year, spread over about 79 rainy days.
Is it sunny in Ampanihy?
Ampanihy gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Ampanihy?
Yes: Ampanihy has on average 147 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ampanihy?
In Ampanihy, between 1940 and 2025, the highest apparent temperature reached 44.8 °C on 11 January 2025, and the lowest was 4.7 °C on 16 July 1965.
Compare Ampanihy with another city
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Nearby cities
The climate around Ampanihy