Antalaha climate — normals and trends
Antalaha (Madagascar) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 23.6 °C and it receives 1,533 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 (25.6 °C on average) and the coldest is July (20.9 °C). Rainfall peaks in January.
Antalaha averages 0 frost days, 38 hot days (≥ 30 °C) and 249 rainy days per year.
Antalaha has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.8 °C (on 7 March 2023) and the coldest 13.6 °C (on 5 September 1990).
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
AntalahaSava
- coords
- -14.90°, 50.28°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.6°C
Average daily high
27.1°C
Average daily low
21.0°C
Annual rainfall
1,533mm
Sunshine / day
10.5h
Mean relative humidity
82%
Average peak wind
15.0km/h
Seasonal range
4.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
38 d/yr
Rainy days (≥ 1 mm)
249 d/yr
Annual snowfall
0.0 cm
Average feels-like high
30.3 °C
Average feels-like low
23.4 °C
Average peak gust
34.2 km/h
Tropical nights (≥ 20 °C)
241 d/yr
Solar radiation
17.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.75 · 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
34.8 °C
7 March 2023
Coldest day
13.6 °C
5 September 1990
Wettest day
301 mm
3 April 2007
Windiest day
58.3 km/h
7 March 2004
Strongest gust
144.0 km/h
14 March 2007
Hottest feels-like
42.0 °C
24 January 2013
Coldest feels-like
13.2 °C
10 July 1944
Sunniest day
12.9 h
13 December 1940
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 | 30.0 °C | +0.8 °C | 234 mm | -39 mm |
| Feb | 31.5 °C | +2.2 °C | 209 mm | -49 mm |
| Mar | 29.4 °C | +0.5 °C | 301 mm | +78 mm |
| Apr | 29.4 °C | +1.3 °C | 72 mm | -63 mm |
| May | 27.6 °C | +0.8 °C | 84 mm | +18 mm |
| Jun | 25.9 °C | +0.8 °C | 72 mm | +10 mm |
| Jul | 24.6 °C | +0.5 °C | 67 mm | -4 mm |
| Aug | 25.4 °C | +1.1 °C | 30 mm | -35 mm |
| Sep | 26.7 °C | +1.4 °C | 37 mm | -14 mm |
| Oct | 27.9 °C | +1.0 °C | 40 mm | -16 mm |
| Nov | 29.5 °C | +1.2 °C | 102 mm | +14 mm |
| Dec | 29.2 °C | +0.2 °C | 275 mm | +92 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 Antalaha?
Antalaha has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 23.6 °C and it receives 1,533 mm of precipitation per year.
What is the hottest day ever recorded in Antalaha?
The hottest day measured in Antalaha between 1940 and 2025 was 7 March 2023, reaching 34.8 °C.
What is the coldest day in Antalaha?
The coldest day measured in Antalaha between 1940 and 2025 was 5 September 1990, at 13.6 °C.
Does it snow in Antalaha?
Almost never: Antalaha sees virtually no snow, with about 0 frost days per year.
Has the climate of Antalaha warmed?
Yes: Antalaha warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Antalaha?
The wettest day measured in Antalaha between 1940 and 2025 was 3 April 2007, with 301 mm of rain in 24 hours.
What was the windiest day in Antalaha?
The windiest day measured in Antalaha between 1940 and 2025 was 7 March 2004, with winds reaching 58.3 km/h.
What is the warmest month in Antalaha?
The warmest month in Antalaha is February (25.6 °C on average); the coldest is July (20.9 °C).
How much does it rain in Antalaha?
Antalaha receives on average 1,533 mm of precipitation per year, spread over about 249 rainy days.
Is it sunny in Antalaha?
Antalaha gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in Antalaha?
Yes: Antalaha has on average 241 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Antalaha?
In Antalaha, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 24 January 2013, and the lowest was 13.2 °C on 10 July 1944.
Compare Antalaha with another city
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Nearby cities
The climate around Antalaha