Imerintsiatosika, Madagascar experiences average highs of 24°C (75°F) and lows of 14°C (57°F) throughout the year. Rainfall is moderate, averaging about 9 rainy days per month. Sunshine is abundant, averaging about 10 hours per day. Average highs have warmed by 0.7°C (1.3°F) across the available records.
Imerintsiatosika, Madagascar Weather & Climate 2026
Monthly climate averages for Imerintsiatosika, Madagascar. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: May–Oct 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
8/10
Best: April, May, September, October
UV Index
8
High
Temperature 24°C / 14°C
Feels Like 24°C / 13°C
Rainy Days 9
Rainfall 97 mm
Sunshine 10 h
Humidity 74%
Wind Speed 16 km/h
Dew Point 14°C
Hottest Month
27°C
November
Avg Low16°C
Rain14days
Coldest Month
10°C
July
Avg High19°C
Rain1days
Driest Month
1days
July
Avg High19°C
Avg Low10°C
Windiest Month
18 km/h
July (Gusts 39)
Worst Time to Visit
Consider avoiding January, February, March, December due to heavy rainfall.
Sun Position
Sunrise 06:23
Daylight 11h
Sunset 17:22
Live conditions—
Imerintsiatosika on the map · live conditions
Imerintsiatosika, Madagascar
- Continent
- Africa
- Country
- Madagascar
- City
- Imerintsiatosika
- Population
- 74.1K
- Coordinates
- -18.98°, 47.32°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 26°C
Avg Low 14°C
Rain 7 days/mo
2/3 best months
Summer
Dec–Feb
Avg High 25°C
Avg Low 17°C
Rain 18 days/mo
Autumn
Mar–May
Avg High 23°C
Avg Low 15°C
Rain 9 days/mo
2/3 best months
Winter
Jun–Aug
Avg High 20°C
Avg Low 10°C
Rain 1 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 25°C / 17°C . Feb: 25°C / 17°C . Mar: 25°C / 17°C . Apr: 24°C / 15°C . May: 22°C / 13°C . Jun: 20°C / 11°C . Jul: 19°C / 10°C . Aug: 21°C / 10°C . Sep: 24°C / 11°C . Oct: 26°C / 14°C . Nov: 27°C / 16°C . Dec: 26°C / 17°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 288 mm. Feb: 282 mm. Mar: 164 mm. Apr: 37 mm. May: 7 mm. Jun: 10 mm. Jul: 4 mm. Aug: 4 mm. Sep: 4 mm. Oct: 44 mm. Nov: 136 mm. Dec: 178 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 79%. Feb: 81%. Mar: 81%. Apr: 78%. May: 76%. Jun: 74%. Jul: 73%. Aug: 68%. Sep: 64%. Oct: 64%. Nov: 70%. Dec: 75%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 14 km/h . Mar: 16 km/h . Apr: 15 km/h . May: 16 km/h . Jun: 17 km/h . Jul: 18 km/h . Aug: 17 km/h . Sep: 17 km/h . Oct: 16 km/h . Nov: 14 km/h . Dec: 14 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 10h. Mar: 10h. Apr: 10h. May: 10h. Jun: 10h. Jul: 10h. Aug: 10h. Sep: 11h. Oct: 11h. Nov: 12h. Dec: 11h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 9. Feb: UV 9. Mar: UV 9. Apr: UV 7. May: UV 6. Jun: UV 6. Jul: UV 6. Aug: UV 7. Sep: UV 9. Oct: UV 10. Nov: UV 10. Dec: UV 9.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have warmed by 0.7°C (1.3°F) across the available records. Average rainfall is trending wetter by about 58 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jan 2025 · 27°C | Nov · 27°C |
| Coldest month | Aug 2025 · 9°C | Jul · 10°C |
| Wettest month | Feb 2025 · 567 mm | Jan · 288 mm |
| Windiest month | Jul 2025 · 19 km/h | Jul · 18 km/h |
Month-by-Month Weather Table
January
Wet 
February
Wet March
Wet April best
Excellent May best
Excellent June
Good July
Good August
Good September best
Excellent October best
Excellent November
Good December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 25°C / 17°C | 27°C / 18°C | 20days (288 mm) Wet | 9.7h Good | 79% Humid | 8.6 Very High | Wet | View Details |
| February | 25°C / 17°C | 27°C / 18°C | 19days (282 mm) Wet | 9.5h Good | 81% Humid | 8.5 Very High | Wet | View Details |
| March | 25°C / 17°C | 26°C / 17°C | 18days (164 mm) Wet | 10.1h Excellent | 81% Humid | 8.5 Very High | Wet | View Details |
| April best | 24°C / 15°C | 25°C / 15°C | 8days (37 mm) Wet | 10.3h Excellent | 78% Humid | 7.4 Very High | Excellent | View Details |
| May best | 22°C / 13°C | 21°C / 12°C | 2days (7 mm) Excellent | 10h Excellent | 76% Humid | 6.4 High | Excellent | View Details |
| June | 20°C / 11°C | 18°C / 9°C | 2days (10 mm) Excellent | 9.7h Good | 74% Muggy | 6 High | Good | View Details |
| July | 19°C / 10°C | 17°C / 8°C | 1days (4 mm) Excellent | 9.7h Good | 73% Muggy | 6.3 High | Good | View Details |
| August | 21°C / 10°C | 20°C / 8°C | 1days (4 mm) Excellent | 10.2h Excellent | 68% Muggy | 7.2 Very High | Good | View Details |
| September best | 24°C / 11°C | 23°C / 10°C | 1days (4 mm) Excellent | 10.9h Excellent | 64% Muggy | 8.6 Very High | Excellent | View Details |
| October best | 26°C / 14°C | 26°C / 13°C | 6days (44 mm) Good | 11.3h Excellent | 64% Muggy | 9.5 Very High | Excellent | View Details |
| November | 27°C / 16°C | 28°C / 16°C | 14days (136 mm) Wet | 11.5h Excellent | 70% Muggy | 9.5 Very High | Good | View Details |
| December | 26°C / 17°C | 28°C / 17°C | 16days (178 mm) Wet | 10.9h Excellent | 75% Muggy | 9.4 Very High | Good | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Imerintsiatosika are April, May, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Imerintsiatosika, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Imerintsiatosika is November, with average daytime highs of 27°C (80°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Imerintsiatosika is July, with average overnight lows of 10°C (50°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Imerintsiatosika is January, averaging 288mm of precipitation across 20 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Imerintsiatosika runs through January, February, March, December, with the heaviest rainfall in January. Based on 10-year averages for Imerintsiatosika.
Imerintsiatosika receives approximately 124 sunshine hours per year. The sunniest month is November with around 12 hours. Based on climate data for Imerintsiatosika.
The least favorable months to visit Imerintsiatosika are January, February, March, December, primarily due to heavy rainfall. For the best conditions, consider April, May, September, October instead.
The annual average UV index in Imerintsiatosika is 8, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Imerintsiatosika is 74%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Imerintsiatosika are 16 km/h (10 mph). The windiest month is July with peak winds reaching 18 km/h (11 mph) (gusts up to 39 km/h / 24 mph).
Imerintsiatosika averages 3 clear-sky days per month with overall cloud cover around 60%. The clearest skies occur in September.
The annual average dew point in Imerintsiatosika is 14°C (57°F), which feels pleasant with low humidity. Outdoor activities are comfortable year-round from a humidity standpoint.
Imerintsiatosika has a Subtropical Highland climate, classified as Cwb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Imerintsiatosika ranges from 13°C (55°F) to 24°C (75°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
Yes, June is a great time to visit Imerintsiatosika. It earns a climate score of 8/10 with Good.
For June in Imerintsiatosika, pack Warm evening layer, Comfortable walking shoes. With average highs of 20°C (68°F) and 2 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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