Climate averages 1991–2020
Antsiranana weather
in July.
A warm, very dry month: the coolest and the 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Antsiranana: daytime highs average 27.6°C and nights cool to about 20.9°C. By daytime temperature it is the coolest month of the year.
Expect about 5.5 mm of rain on roughly 1 day, which makes July a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 28 min on an average July day.
The nearest other city in this atlas is Sambava (237 km away). In July its highs average 24.5°C, 3.2°C cooler than Antsiranana, with 137 mm of rain.
Among the 12 cities listed in Madagascar, Antsiranana ranks 2nd of 12 for the warmest July highs and 6th of 12 for the driest July (rainfall, lowest first). The mean July high of those 12 cities is 22.4°C; Antsiranana is 5.2°C warmer than that mean.
From July to August, average highs rise by 0.2°C to 27.8°C, and monthly rainfall falls from 5.5 mm to 4.1 mm.
The annual picture
July 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, selected | 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 | 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
July in nearby cities
- Sambava in JulyMadagascar · 237 kmHigh 24.5°C · Low 19.6°C · 137 mm rain
- Antalaha in JulyMadagascar · 306 kmHigh 24.2°C · Low 19.7°C · 66 mm rain
- Mamoudzou in JulyMayotte · 444 kmHigh 25.6°C · Low 23.8°C · 10 mm rain
- Mahajanga in JulyMadagascar · 496 kmHigh 30.3°C · Low 20.7°C · 1.2 mm rain
- Toamasina in JulyMadagascar · 649 kmHigh 22.4°C · Low 18.9°C · 180 mm rain
- Moroni in JulyComoros · 660 kmHigh 26.6°C · Low 23.1°C · 40 mm rain
- Antananarivo in JulyMadagascar · 757 kmHigh 18.7°C · Low 10.0°C · 4.6 mm rain
- Imerintsiatosika in JulyMadagascar · 771 kmHigh 19.0°C · Low 9.7°C · 3.7 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.