Imerimandroso in Spring

In spring (September, October and November), Imerimandroso sees average daytime highs around 26°C and overnight lows near 16°C, with 73 mm of rain over about 15 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.

Over the season highs climb from about 22°C in early September to 28°C by late November. The sky is clear or mostly clear about 28% of the time across spring, and the air most often feels comfortable.

Spring is Imerimandroso's best 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
26°C
3rd-warmest season
Avg overnight low
16°C
Rainfall
73 mm
15 wet days
Avg wind
11 km/h
Travel score
7.5
best season of the year
Months
Sep · Oct · Nov

Temperature in Imerimandroso in Spring

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 22°C in early September to 28°C by late November.

A typical spring day in Imerimandroso reaches about 26°C and drops to 16°C overnight. The warmest of the three months is November, the coolest September.

10°15°20°25°30°35°SepOctNov

Imerimandroso weather by month

How the three spring months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°28823.912.94.2
Feb27° / 20°25022.212.64.2
Mar27° / 19°16719.212.15.0
Apr26° / 18°449.911.66.6
May24° / 16°235.911.27.6
Jun22° / 14°123.3117.5
Jul21° / 13°143.411.17.3
Aug22° / 13°102.811.47.6
Sep23° / 14°82.211.98.2
Oct26° / 16°184.512.47.7
Nov28° / 17°488.712.86.6
Dec28° / 19°16517.3135.0

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time across spring.

0%25%50%75%100%SepOctNov

Chance of precipitation in Spring

Any precipitation

Imerimandroso gets around 73 mm of rain over 15 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%SepOctNov

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%SepOctNov

Wind in Spring

Winds average 11 km/h across spring.

051015SepOctNov

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 42 min in early September to 13 hours by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.8 kWh/m².

0246SepOctNov
Planning a trip in spring

Hazard calendar for Imerimandroso

In seasonPeak

In spring, Imerimandroso overlaps its cyclone 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.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is spring a good time to visit Imerimandroso?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

7.5
Sightseeing
1st-best month of the year
6.9
Beach & pool
1st-best month of the year

spring is one of the better times to visit Imerimandroso for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Imerimandroso in Spring

From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In spring, Imerimandroso sees daytime highs around 26°C and nights near 16°C. Pack light clothes and sun protection. Worth having: rain gear. About 15 days see rain.

light clothessun protectionrain gear

UV index in Imerimandroso in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 13 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 10UV 16Jun 18UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec15Extreme

Air quality in Imerimandroso in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1440 µg/m³Jan 246 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr6Good
May8Good
Jun7Good
Jul7Good
Aug7Good
Sep8Good
Oct22Moderate
Nov43Poor
Dec10Good
Location & terrain

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.

Fenoarivo Atsinanana

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.

3 km
138 m
16 km
703 m
80 km
1,522 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
Spring weather nearby: Amparafaravola 42 km · Andilamena 47 km · Ambatondrazaka 48 km · Vohibinany 49 km · Ambodimanga II 65 km · Vavatenina 66 km · Didy 76 km · Fenoarivo Atsinanana 88 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
Church of Jesus Christ in Madagascar/Malagasy Lutheran Church/Anglican Church 34%Roman Catholic 32%none 22%other Christian 8%

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.