Imerimandroso in Summer
In summer (December, January and February), Imerimandroso sees average daytime highs around 27°C and overnight lows near 19°C, with 703 mm of rain over about 63 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 27°C. The sky is clear or mostly clear about 6% of the time across summer, and the air most often feels muggy.
Summer is Imerimandroso's weakest season of the year to visit on our travel score. For the whole year in context, see Imerimandroso's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 703 mm
- 63 wet days
- Avg wind
- 9 km/h
- Travel score
- 4.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Imerimandroso in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in Imerimandroso reaches about 27°C and drops to 19°C overnight. The warmest of the three months is December, the coolest December.
Imerimandroso 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 | 27° / 20° | 288 | 23.9 | 12.9 | 4.2 |
| Feb | 27° / 20° | 250 | 22.2 | 12.6 | 4.2 |
| Mar | 27° / 19° | 167 | 19.2 | 12.1 | 5.0 |
| Apr | 26° / 18° | 44 | 9.9 | 11.6 | 6.6 |
| May | 24° / 16° | 23 | 5.9 | 11.2 | 7.6 |
| Jun | 22° / 14° | 12 | 3.3 | 11 | 7.5 |
| Jul | 21° / 13° | 14 | 3.4 | 11.1 | 7.3 |
| Aug | 22° / 13° | 10 | 2.8 | 11.4 | 7.6 |
| Sep | 23° / 14° | 8 | 2.2 | 11.9 | 8.2 |
| Oct | 26° / 16° | 18 | 4.5 | 12.4 | 7.7 |
| Nov | 28° / 17° | 48 | 8.7 | 12.8 | 6.6 |
| Dec | 28° / 19° | 165 | 17.3 | 13 | 5.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 6% of the time across summer.
Chance of precipitation in Summer
Imerimandroso gets around 703 mm of rain over 63 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 9 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 hours in early December to 12 h 24 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 5.4 kWh/m².
Hazard calendar for Imerimandroso
In summer, Imerimandroso overlaps its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.
Imerimandroso sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Imerimandroso's monsoon runs December–March, when most of the year's rain falls.
Is summer a good time to visit Imerimandroso?
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 reasonable time to visit Imerimandroso for sightseeing.
What to pack for Imerimandroso in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Imerimandroso sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 63 days see rain.
UV index in Imerimandroso in Summer
Clear-sky midday UV across summer averages around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Imerimandroso peaks around February 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 7 (very 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) | 16 | 16 | 14 | 11 | 9 | 7 | 8 | 10 | 12 | 13 | 13 | 15 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 16 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 9 | Very high |
| Jun | 7 | High |
| Jul | 8 | Very high |
| Aug | 10 | Very high |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 15 | Extreme |
Air quality in Imerimandroso in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Imerimandroso is worst in November — around 43 µg/m³ PM2.5 (poor), about 7.4× the cleanest month (January, 6 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 6 | 6 | 6 | 6 | 8 | 7 | 7 | 7 | 8 | 22 | 43 | 10 |
| Level | Good | Good | Good | Good | Good | Good | Good | Good | Good | Moderate | Poor | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 6 | Good |
| Mar | 6 | Good |
| Apr | 6 | Good |
| May | 8 | Good |
| Jun | 7 | Good |
| Jul | 7 | Good |
| Aug | 7 | Good |
| Sep | 8 | Good |
| Oct | 22 | Moderate |
| Nov | 43 | Poor |
| Dec | 10 | Good |
Where is Imerimandroso?
Imerimandroso sits at 17.4°S, 48.6°E, 755 m above sea level, in Madagascar. The nearest listed city is Amparafaravola, 42 km away.
Topography around Imerimandroso
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Imerimandroso.
Within 3 km, the terrain around Imerimandroso has only modest variations in elevation — a maximum elevation change of 138 m around an average of 769 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 703 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,522 m.
The land around Imerimandroso is covered by water (36%), cropland (34%) and grassland (24%) within 3 km, grassland (41%) and cropland (34%) within 16 km, and grassland (51%) and trees (32%) 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 Imerimandroso (-17.4333°, 48.5833°, elevation 755 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.