Antsalova climate — normals and trends
Antsalova (Madagascar) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 25.1 °C and it receives 1,234 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 (26.7 °C on average) and the coldest is July (22.1 °C). Rainfall peaks in January.
Antsalova averages 0 frost days, 246 hot days (≥ 30 °C) and 146 rainy days per year.
Antsalova 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 39.4 °C (on 23 November 2023) and the coldest 10.9 °C (on 17 June 1991).
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
AntsalovaMelaky
- coords
- -18.67°, 44.62°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.1°C
Average daily high
30.8°C
Average daily low
20.9°C
Annual rainfall
1,234mm
Sunshine / day
11.0h
Mean relative humidity
78%
Average peak wind
11.9km/h
Seasonal range
4.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
246 d/yr
Rainy days (≥ 1 mm)
146 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.1 °C
Average feels-like low
24.0 °C
Average peak gust
30.1 km/h
Tropical nights (≥ 20 °C)
236 d/yr
Solar radiation
20.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.74 · 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
39.4 °C
23 November 2023
Coldest day
10.9 °C
17 June 1991
Wettest day
175 mm
4 January 1952
Windiest day
57.9 km/h
23 March 1941
Strongest gust
127.1 km/h
17 April 1941
Hottest feels-like
44.5 °C
23 November 2023
Coldest feels-like
9.3 °C
18 July 1991
Sunniest day
13.1 h
20 December 2012
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 | 32.4 °C | +1.5 °C | 274 mm | -42 mm |
| Feb | 31.4 °C | +0.6 °C | 216 mm | -62 mm |
| Mar | 32.2 °C | +1.1 °C | 139 mm | -57 mm |
| Apr | 33.6 °C | +2.5 °C | 30 mm | -24 mm |
| May | 33.4 °C | +3.3 °C | 7 mm | -2 mm |
| Jun | 31.3 °C | +2.3 °C | 0 mm | -2 mm |
| Jul | 31.0 °C | +2.2 °C | 1 mm | -2 mm |
| Aug | 31.2 °C | +1.5 °C | 2 mm | -2 mm |
| Sep | 33.0 °C | +1.7 °C | 5 mm | -2 mm |
| Oct | 33.9 °C | +1.4 °C | 14 mm | -25 mm |
| Nov | 33.0 °C | +0.4 °C | 110 mm | +9 mm |
| Dec | 32.2 °C | +0.5 °C | 385 mm | +160 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 Antsalova?
Antsalova has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 25.1 °C and it receives 1,234 mm of precipitation per year.
What is the hottest day ever recorded in Antsalova?
The hottest day measured in Antsalova between 1940 and 2025 was 23 November 2023, reaching 39.4 °C.
What is the coldest day in Antsalova?
The coldest day measured in Antsalova between 1940 and 2025 was 17 June 1991, at 10.9 °C.
Does it snow in Antsalova?
Almost never: Antsalova sees virtually no snow, with about 0 frost days per year.
Has the climate of Antsalova warmed?
Yes: Antsalova warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Antsalova?
The wettest day measured in Antsalova between 1940 and 2025 was 4 January 1952, with 175 mm of rain in 24 hours.
What was the windiest day in Antsalova?
The windiest day measured in Antsalova between 1940 and 2025 was 23 March 1941, with winds reaching 57.9 km/h.
What is the warmest month in Antsalova?
The warmest month in Antsalova is November (26.7 °C on average); the coldest is July (22.1 °C).
How much does it rain in Antsalova?
Antsalova receives on average 1,234 mm of precipitation per year, spread over about 146 rainy days.
Is it sunny in Antsalova?
Antsalova gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
Are there tropical nights in Antsalova?
Yes: Antsalova has on average 236 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Antsalova?
In Antsalova, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 23 November 2023, and the lowest was 9.3 °C on 18 July 1991.
Compare Antsalova with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Antsalova