Fianarantsoa, Madagascar experiences average highs of 23°C (73°F) and lows of 15°C (59°F) throughout the year. Rainfall is moderate, averaging about 10 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.
Fianarantsoa, Madagascar Weather & Climate 2026
Monthly climate averages for Fianarantsoa, 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
7
High
Temperature 23°C / 15°C
Feels Like 24°C / 15°C
Rainy Days 10
Rainfall 87 mm
Sunshine 10 h
Humidity 82%
Wind Speed 15 km/h
Dew Point 16°C
Hottest Month
26°C
November
Avg Low16°C
Rain12days
Coldest Month
11°C
July
Avg High18°C
Rain2days
Driest Month
2days
July
Avg High18°C
Avg Low11°C
Windiest Month
17 km/h
September (Gusts 39)
Worst Time to Visit
Consider avoiding January, February, March, December due to heavy rainfall.
Sun Position
Sunrise 06:28
Daylight 10.8h
Sunset 17:18
Live conditions—
Fianarantsoa on the map · live conditions
Fianarantsoa, Madagascar
- Continent
- Africa
- Country
- Madagascar
- City
- Fianarantsoa
- Population
- 203.1K
- Coordinates
- -21.45°, 47.09°
Seasonal Breakdown
Spring
Sep–Nov
Avg High 24°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 19 days/mo
Autumn
Mar–May
Avg High 23°C
Avg Low 16°C
Rain 11 days/mo
2/3 best months
Winter
Jun–Aug
Avg High 19°C
Avg Low 11°C
Rain 3 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 / 18°C . Feb: 25°C / 18°C . Mar: 24°C / 17°C . Apr: 23°C / 16°C . May: 21°C / 14°C . Jun: 19°C / 12°C . Jul: 18°C / 11°C . Aug: 20°C / 11°C . Sep: 22°C / 12°C . Oct: 25°C / 14°C . Nov: 26°C / 16°C . Dec: 26°C / 17°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 237 mm. Feb: 244 mm. Mar: 153 mm. Apr: 43 mm. May: 21 mm. Jun: 23 mm. Jul: 13 mm. Aug: 10 mm. Sep: 10 mm. Oct: 42 mm. Nov: 88 mm. Dec: 161 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 84%. Feb: 86%. Mar: 87%. Apr: 86%. May: 84%. Jun: 85%. Jul: 84%. Aug: 80%. Sep: 78%. Oct: 75%. Nov: 78%. Dec: 81%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 15 km/h . Mar: 15 km/h . Apr: 15 km/h . May: 15 km/h . Jun: 15 km/h . Jul: 16 km/h . Aug: 16 km/h . Sep: 17 km/h . Oct: 16 km/h . Nov: 15 km/h . Dec: 15 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 9h. Mar: 10h. Apr: 10h. May: 10h. Jun: 9h. Jul: 9h. Aug: 10h. Sep: 11h. Oct: 11h. Nov: 11h. Dec: 11h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 9. Feb: UV 8. Mar: UV 8. Apr: UV 6. May: UV 5. Jun: UV 5. Jul: UV 6. Aug: UV 6. Sep: UV 8. Oct: UV 9. Nov: UV 9. 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 35 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jan 2025 · 28°C | Nov · 26°C |
| Coldest month | Jul 2025 · 11°C | Jul · 11°C |
| Wettest month | Feb 2025 · 403 mm | Feb · 244 mm |
| Windiest month | Mar 2025 · 17 km/h | Sep · 17 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
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 25°C / 18°C | 28°C / 19°C | 20days (237 mm) Wet | 10.2h Excellent | 84% Humid | 8.7 Very High | Wet | View Details |
| February | 25°C / 18°C | 27°C / 19°C | 20days (244 mm) Wet | 9.4h Good | 86% Very Muggy | 7.6 Very High | Wet | View Details |
| March | 24°C / 17°C | 26°C / 18°C | 19days (153 mm) Wet | 9.9h Good | 87% Very Muggy | 7.9 Very High | Wet | View Details |
| April best | 23°C / 16°C | 24°C / 17°C | 10days (43 mm) Wet | 9.7h Good | 86% Very Muggy | 6.4 High | Excellent | View Details |
| May best | 21°C / 14°C | 21°C / 13°C | 5days (21 mm) Good | 9.6h Good | 84% Humid | 5.4 High | Excellent | View Details |
| June | 19°C / 12°C | 18°C / 11°C | 4days (23 mm) Good | 8.9h Good | 85% Humid | 5.3 High | Good | View Details |
| July | 18°C / 11°C | 17°C / 9°C | 2days (13 mm) Excellent | 9.3h Good | 84% Humid | 5.6 High | Good | View Details |
| August | 20°C / 11°C | 19°C / 10°C | 3days (10 mm) Excellent | 9.8h Good | 80% Humid | 6.4 High | Good | View Details |
| September best | 22°C / 12°C | 22°C / 11°C | 3days (10 mm) Excellent | 10.7h Excellent | 78% Humid | 7.8 Very High | Excellent | View Details |
| October best | 25°C / 14°C | 25°C / 14°C | 6days (42 mm) Good | 11.3h Excellent | 75% Muggy | 9 Very High | Excellent | View Details |
| November | 26°C / 16°C | 28°C / 17°C | 12days (88 mm) Wet | 11.4h Excellent | 78% Humid | 9.1 Very High | Good | View Details |
| December | 26°C / 17°C | 28°C / 18°C | 18days (161 mm) Wet | 11.3h Excellent | 81% Humid | 9.2 Very High | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Fianarantsoa are April, May, September, October, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Fianarantsoa, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Fianarantsoa is November, with average daytime highs of 26°C (78°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Fianarantsoa is July, with average overnight lows of 11°C (51°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Fianarantsoa is February, averaging 244mm of precipitation across 20 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Fianarantsoa runs through January, February, March, December, with the heaviest rainfall in January. Based on 10-year averages for Fianarantsoa.
Fianarantsoa receives approximately 122 sunshine hours per year. The sunniest month is November with around 11 hours. Based on climate data for Fianarantsoa.
The least favorable months to visit Fianarantsoa 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 Fianarantsoa is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Fianarantsoa is 82%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Average wind speeds in Fianarantsoa are 15 km/h (9 mph). The windiest month is September with peak winds reaching 17 km/h (10 mph) (gusts up to 39 km/h / 24 mph).
Fianarantsoa averages 1 clear-sky days per month with overall cloud cover around 66%. The clearest skies occur in September.
The annual average dew point in Fianarantsoa is 16°C (61°F), which feels noticeably humid. Summer months may feel slightly sticky, but conditions remain manageable for most people.
Fianarantsoa 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 Fianarantsoa ranges from 15°C (59°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 Fianarantsoa. It earns a climate score of 7.6/10 with Good.
For June in Fianarantsoa, pack Warm evening layer, Comfortable walking shoes. With average highs of 19°C (66°F) and 4 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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