The hottest month in Antananarivo is typically November, with daytime highs averaging around 27.3°C (81°F), based on 10 years of historical weather data. Overnight lows during this period average near 15.6°C (60°F).

What is the coldest month in Antananarivo?

The coldest month in Antananarivo is typically July, with overnight lows averaging around 10°C (50°F) and daytime highs near 19.7°C (67°F), based on 10 years of historical weather data.

When does the rainy season start in Antananarivo?

Antananarivo has a clearly defined rainy season running roughly from December to February, based on 10 years of historical rainfall data. January is typically the wettest month, averaging about 337 mm of rain. Outside this window, rainfall is much lighter for the rest of the year.

What's the best time of year to visit Antananarivo?

The best time to visit Antananarivo is typically August to September, when daytime highs average a comfortable 22.6°C (73°F). Rainfall during this window averages around 8 mm, well below the 337 mm seen in January, the wettest month. This is based on 10 years of historical weather data.

Atmospheric Details

Wind

15 km/h

E · Gentle Breeze · Max 18 km/h

Humidity

57 %

Comfortable

UV Index

Very High

Visibility

16 km

Excellent

Pressure

884 hPa

Low · change likely

Dew Point

11°C

Comfortable

Today vs Normal

22°C+2° above normal

The long-term average high for today is 20°C.

Air Quality

Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Health & Activity Advice

⚠ Limit Outdoor Time

UV index is 9 today — very high. Limit sun exposure around midday, apply SPF 30+ every two hours, and seek shade when possible.

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.