Amboasary in Summer
In summer (December, January and February), Amboasary sees average daytime highs around 32°C and overnight lows near 22°C, with 298 mm of rain over about 39 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 37% of the time across summer, and the air most often feels muggy.
Summer is Amboasary's weakest season of the year to visit on our travel score. For the whole year in context, see Amboasary's year-round climate.
- Avg daytime high
- 32°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 298 mm
- 39 wet days
- Avg wind
- 11 km/h
- Travel score
- 3.8
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Amboasary in Summer
Across summer, daytime highs hold fairly steady around 32°C.
A typical summer day in Amboasary reaches about 32°C and drops to 22°C overnight. The warmest of the three months is January, the coolest December.
How summer really feels in Amboasary
Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Amboasary weather by month
How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 32° / 23° | 124 | 14 | 13.4 | 3.6 |
| Feb | 32° / 23° | 103 | 12.1 | 12.9 | 4.0 |
| Mar | 31° / 22° | 63 | 10.4 | 12.2 | 4.5 |
| Apr | 30° / 20° | 36 | 7.4 | 11.4 | 5.8 |
| May | 27° / 18° | 19 | 5.2 | 10.8 | 7.6 |
| Jun | 26° / 16° | 13 | 3.5 | 10.5 | 8.4 |
| Jul | 25° / 15° | 12 | 3.1 | 10.6 | 8.6 |
| Aug | 27° / 15° | 11 | 2.7 | 11.1 | 8.3 |
| Sep | 29° / 17° | 12 | 2.9 | 11.8 | 7.0 |
| Oct | 31° / 19° | 21 | 5.1 | 12.6 | 5.5 |
| Nov | 32° / 20° | 34 | 6.9 | 13.2 | 4.6 |
| Dec | 32° / 22° | 71 | 12.9 | 13.5 | 3.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 37% of the time across summer.
Chance of precipitation in Summer
Amboasary gets around 298 mm of rain over 39 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 24 min in early December to 12 h 36 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.4 kWh/m².
Hazard calendar for Amboasary
In summer, Amboasary overlaps its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.
Amboasary sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Amboasary's rainy season runs December–March, when most of the year's rain falls.
Is summer a good time to visit Amboasary?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Amboasary. The water and warmth also suit a beach or pool day.
What to pack for Amboasary in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Amboasary sees daytime highs around 32°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 39 days see rain.
Sea temperature near Amboasary in Summer
The nearest coast averages about 26°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 26°C and coldest in August near 22°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 26 | 26 | 25 | 24 | 23 | 22 | 22 | 22 | 23 | 24 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 26 | Warm |
| Apr | 25 | Warm |
| May | 24 | Warm |
| Jun | 23 | Refreshing |
| Jul | 22 | Refreshing |
| Aug | 22 | Refreshing |
| Sep | 22 | Refreshing |
| Oct | 23 | Refreshing |
| Nov | 24 | Warm |
| Dec | 25 | Warm |
UV index in Amboasary in Summer
Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Amboasary peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 5 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 14 | 12 | 8 | 6 | 5 | 5 | 7 | 8 | 10 | 12 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | High | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 5 | Moderate |
| Jul | 5 | High |
| Aug | 7 | High |
| Sep | 8 | Very high |
| Oct | 10 | Very high |
| Nov | 12 | Extreme |
| Dec | 13 | Extreme |
Where is Amboasary?
Amboasary sits at 25.0°S, 46.4°E, 22 m above sea level, in Madagascar. The nearest listed city is Ambovombe, 34 km away.
Topography around Amboasary
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Amboasary.
Within 3 km, the terrain around Amboasary has only modest variations in elevation — a maximum elevation change of 75 m around an average of 32 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 540 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,959 m.
The land around Amboasary is covered by shrubs (38%) and cropland (27%) within 3 km, shrubs (36%), cropland (23%) and trees (22%) within 16 km, and water (27%), shrubs (21%) and grassland (21%) within 80 km.
Madagascar travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 220 V · 50 Hz
- Prices
- ≈ 31% of US
- price level, 2025
- GDP per capita
- $599
- 2025
- Happiness
- 4.2 / 10
- World Happiness, 2025
- Safe drinking water
- 22%
- of population, 2024
- Road deaths
- 29.2
- per 100k/yr, 2019
- Income group
- Low
- World Bank
- English
- Low
- EF EPI 457
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Amboasary (-25.0333°, 46.3833°, elevation 22 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.