Climate averages 1991–2020
Antsiranana weather
in October.
A hot, very dry month: the joint 3rd warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Antsiranana: daytime highs average 29.9°C and nights cool to about 21.9°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Expect about 13 mm of rain on roughly 1 day, which makes October a very dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 22 min on an average October day.
The nearest other city in this atlas is Sambava (237 km away). In October its highs average 27.0°C, 2.9°C cooler than Antsiranana, with 89 mm of rain.
Among the 12 cities listed in Madagascar, Antsiranana ranks 3rd of 12 for the warmest October highs and 2nd of 12 for the driest October (rainfall, lowest first). The mean October high of those 12 cities is 26.8°C; Antsiranana is 3.1°C warmer than that mean.
From October to November, average highs rise by 0.7°C to 30.5°C, and monthly rainfall rises from 13 mm to 31 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
Antsiranana climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.6°C24.0°C | 24.0°C | 244 | 24.4 | 12.813 h |
| February | 29.4°C24.1°C | 24.1°C | 222 | 23.9 | 12.513 h |
| March | 29.7°C24.2°C | 24.2°C | 151 | 19.2 | 12.212 h |
| April | 29.9°C24.0°C | 24.0°C | 45 | 7.9 | 11.812 h |
| May | 29.5°C23.1°C | 23.1°C | 12 | 1.9 | 11.612 h |
| June | 28.3°C21.8°C | 21.8°C | 4.7 | 1.2 | 11.411 h |
| July | 27.6°C20.9°C | 20.9°C | 5.5 | 1.3 | 11.511 h |
| August | 27.8°C20.7°C | 20.7°C | 4.1 | 0.9 | 11.712 h |
| September | 28.7°C21.0°C | 21.0°C | 2.6 | 0.7 | 12.012 h |
| October, selected | 29.9°C21.9°C | 21.9°C | 13 | 1.3 | 12.412 h |
| November | 30.5°C23.0°C | 23.0°C | 31 | 4.2 | 12.713 h |
| December | 30.4°C23.8°C | 23.8°C | 121 | 15.3 | 12.813 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
- Sambava in OctoberMadagascar · 237 kmHigh 27.0°C · Low 21.1°C · 89 mm rain
- Antalaha in OctoberMadagascar · 306 kmHigh 26.9°C · Low 21.1°C · 56 mm rain
- Mamoudzou in OctoberMayotte · 444 kmHigh 26.9°C · Low 24.5°C · 20 mm rain
- Mahajanga in OctoberMadagascar · 496 kmHigh 33.6°C · Low 23.6°C · 17 mm rain
- Toamasina in OctoberMadagascar · 649 kmHigh 24.9°C · Low 20.8°C · 77 mm rain
- Moroni in OctoberComoros · 660 kmHigh 29.0°C · Low 24.0°C · 33 mm rain
- Antananarivo in OctoberMadagascar · 757 kmHigh 25.3°C · Low 13.5°C · 27 mm rain
- Imerintsiatosika in OctoberMadagascar · 771 kmHigh 25.5°C · Low 13.4°C · 45 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 Antsiranana) is explained once on the Antsiranana year overview and on the Sources, method and limits page.