Ambato Boeny climate — normals and trends
Ambato Boeny (Madagascar) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 26.9 °C and it receives 1,306 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 (28.7 °C on average) and the coldest is July (24.5 °C). Rainfall peaks in January.
Ambato Boeny averages 0 frost days, 323 hot days (≥ 30 °C) and 126 rainy days per year.
Ambato Boeny has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 39.9 °C (on 12 November 2004) and the coldest 14.5 °C (on 6 July 1986).
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
Ambato BoenyBoeny
- coords
- -16.47°, 46.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.9°C
Average daily high
32.3°C
Average daily low
22.5°C
Annual rainfall
1,306mm
Sunshine / day
10.9h
Mean relative humidity
65%
Average peak wind
12.2km/h
Seasonal range
4.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
323 d/yr
Rainy days (≥ 1 mm)
126 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.7 °C
Average feels-like low
25.3 °C
Average peak gust
27.9 km/h
Tropical nights (≥ 20 °C)
295 d/yr
Solar radiation
21.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.77 · 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
39.9 °C
12 November 2004
Coldest day
14.5 °C
6 July 1986
Wettest day
146 mm
14 February 1968
Windiest day
46.1 km/h
20 January 2021
Strongest gust
115.9 km/h
8 March 2004
Hottest feels-like
44.9 °C
10 December 2015
Coldest feels-like
14.1 °C
20 July 1991
Sunniest day
12.8 h
15 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 | 33.5 °C | +1.9 °C | 193 mm | -152 mm |
| Feb | 32.2 °C | +0.6 °C | 331 mm | +32 mm |
| Mar | 33.2 °C | +1.0 °C | 168 mm | -50 mm |
| Apr | 34.9 °C | +2.2 °C | 13 mm | -40 mm |
| May | 34.9 °C | +2.8 °C | 1 mm | -7 mm |
| Jun | 32.5 °C | +1.7 °C | 0 mm | -1 mm |
| Jul | 31.8 °C | +1.2 °C | 0 mm | -2 mm |
| Aug | 32.6 °C | +1.1 °C | 1 mm | -1 mm |
| Sep | 34.4 °C | +1.2 °C | 1 mm | -3 mm |
| Oct | 35.5 °C | +0.8 °C | 3 mm | -25 mm |
| Nov | 33.7 °C | -0.5 °C | 233 mm | +121 mm |
| Dec | 32.7 °C | +0.1 °C | 265 mm | +29 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 Ambato Boeny?
Ambato Boeny has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 26.9 °C and it receives 1,306 mm of precipitation per year.
What is the hottest day ever recorded in Ambato Boeny?
The hottest day measured in Ambato Boeny between 1940 and 2025 was 12 November 2004, reaching 39.9 °C.
What is the coldest day in Ambato Boeny?
The coldest day measured in Ambato Boeny between 1940 and 2025 was 6 July 1986, at 14.5 °C.
Does it snow in Ambato Boeny?
Almost never: Ambato Boeny sees virtually no snow, with about 0 frost days per year.
Has the climate of Ambato Boeny warmed?
Yes: Ambato Boeny warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ambato Boeny?
The wettest day measured in Ambato Boeny between 1940 and 2025 was 14 February 1968, with 146 mm of rain in 24 hours.
What was the windiest day in Ambato Boeny?
The windiest day measured in Ambato Boeny between 1940 and 2025 was 20 January 2021, with winds reaching 46.1 km/h.
What is the warmest month in Ambato Boeny?
The warmest month in Ambato Boeny is November (28.7 °C on average); the coldest is July (24.5 °C).
How much does it rain in Ambato Boeny?
Ambato Boeny receives on average 1,306 mm of precipitation per year, spread over about 126 rainy days.
Is it sunny in Ambato Boeny?
Ambato Boeny gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Ambato Boeny?
Yes: Ambato Boeny has on average 295 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ambato Boeny?
In Ambato Boeny, between 1940 and 2025, the highest apparent temperature reached 44.9 °C on 10 December 2015, and the lowest was 14.1 °C on 20 July 1991.
Compare Ambato Boeny with another city
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Nearby cities
The climate around Ambato Boeny