Climate averages 1991–2020
Antananarivo weather
in October.
A warm, fairly dry month: the 3rd warmest and the 6th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
October is a warm month in Antananarivo: daytime highs average 25.3°C and nights cool to about 13.5°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 27 mm of rain on roughly 5 days, which makes October a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 31 min on an average October day.
The nearest other city in this atlas is Imerintsiatosika (24 km away). In October its highs average 25.5°C, about as warm as Antananarivo, with 45 mm of rain.
Among the 12 cities listed in Madagascar, Antananarivo ranks 8th of 12 for the warmest October highs and 4th of 12 for the driest October (rainfall, lowest first). The mean October high of those 12 cities is 26.8°C; Antananarivo is 1.5°C cooler than that mean.
From October to November, average highs rise by 0.9°C to 26.2°C, and monthly rainfall rises from 27 mm to 79 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Antananarivo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.6°C16.8°C | 16.8°C | 287 | 22.1 | 13.113 h |
| February | 24.4°C16.8°C | 16.8°C | 252 | 20.1 | 12.713 h |
| March | 24.3°C16.5°C | 16.5°C | 143 | 15.4 | 12.212 h |
| April | 23.5°C15.2°C | 15.2°C | 32 | 7.0 | 11.712 h |
| May | 21.9°C13.3°C | 13.3°C | 12 | 2.4 | 11.211 h |
| June | 19.6°C11.1°C | 11.1°C | 4.2 | 0.7 | 11.011 h |
| July | 18.7°C10.0°C | 10.0°C | 4.6 | 1.0 | 11.111 h |
| August | 20.2°C10.2°C | 10.2°C | 3.3 | 0.7 | 11.511 h |
| September | 22.9°C11.3°C | 11.3°C | 5.1 | 1.1 | 12.012 h |
| October, selected | 25.3°C13.5°C | 13.5°C | 27 | 4.8 | 12.513 h |
| November | 26.2°C15.2°C | 15.2°C | 79 | 10.3 | 13.013 h |
| December | 25.7°C16.4°C | 16.4°C | 181 | 17.5 | 13.213 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Imerintsiatosika in OctoberMadagascar · 24 kmHigh 25.5°C · Low 13.4°C · 45 mm rain
- Antanifotsy in OctoberMadagascar · 85 kmHigh 23.3°C · Low 11.2°C · 76 mm rain
- Antsirabe in OctoberMadagascar · 118 kmHigh 25.0°C · Low 12.2°C · 83 mm rain
- Toamasina in OctoberMadagascar · 214 kmHigh 24.9°C · Low 20.8°C · 77 mm rain
- Fianarantsoa in OctoberMadagascar · 286 kmHigh 23.9°C · Low 14.0°C · 43 mm rain
- Mahajanga in OctoberMadagascar · 378 kmHigh 33.6°C · Low 23.6°C · 17 mm rain
- Antalaha in OctoberMadagascar · 533 kmHigh 26.9°C · Low 21.1°C · 56 mm rain
- Sambava in OctoberMadagascar · 588 kmHigh 27.0°C · Low 21.1°C · 89 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Antananarivo) is explained once on the Antananarivo year overview and on the Sources, method and limits page.