Climate averages 1991–2020
Mahajanga weather
in August.
A hot, very dry month: the 6th warmest and the joint 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Mahajanga: daytime highs average 31.3°C and nights cool to about 20.9°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 1.2 mm of rain on fewer than one day, which makes August a very dry month (the joint 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 35 min on an average August day.
The nearest other city in this atlas is Mamoudzou (347 km away). In August its highs average 25.6°C, 5.7°C cooler than Mahajanga, with 9.6 mm of rain.
Among the 12 cities listed in Madagascar, Mahajanga ranks 1st of 12 for the warmest August highs and 1st of 12 for the driest August (rainfall, lowest first). The mean August high of those 12 cities is 23.4°C; Mahajanga is 7.8°C warmer than that mean.
From August to September, average highs rise by 1.4°C to 32.6°C, and monthly rainfall rises from 1.2 mm to 2.8 mm.
The annual picture
August 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
Mahajanga climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.7°C24.4°C | 24.4°C | 431 | 28.4 | 12.913 h |
| February | 29.7°C24.4°C | 24.4°C | 315 | 24.2 | 12.613 h |
| March | 30.7°C24.6°C | 24.6°C | 197 | 21.0 | 12.212 h |
| April | 31.9°C24.5°C | 24.5°C | 43 | 8.3 | 11.812 h |
| May | 31.8°C23.3°C | 23.3°C | 6.4 | 1.1 | 11.411 h |
| June | 30.6°C21.6°C | 21.6°C | 0.8 | 0.2 | 11.211 h |
| July | 30.3°C20.7°C | 20.7°C | 1.2 | 0.2 | 11.311 h |
| August, selected | 31.3°C20.9°C | 20.9°C | 1.2 | 0.2 | 11.612 h |
| September | 32.6°C21.9°C | 21.9°C | 2.8 | 0.6 | 12.012 h |
| October | 33.6°C23.6°C | 23.6°C | 17 | 4.3 | 12.412 h |
| November | 32.9°C24.5°C | 24.5°C | 80 | 15.0 | 12.813 h |
| December | 31.2°C24.6°C | 24.6°C | 205 | 23.9 | 13.013 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
August in nearby cities
- Mamoudzou in AugustMayotte · 347 kmHigh 25.6°C · Low 23.2°C · 9.6 mm rain
- Antananarivo in AugustMadagascar · 378 kmHigh 20.2°C · Low 10.2°C · 3.3 mm rain
- Imerintsiatosika in AugustMadagascar · 378 kmHigh 20.6°C · Low 10.0°C · 3.8 mm rain
- Toamasina in AugustMadagascar · 425 kmHigh 22.7°C · Low 18.9°C · 112 mm rain
- Antalaha in AugustMadagascar · 435 kmHigh 24.4°C · Low 19.6°C · 53 mm rain
- Sambava in AugustMadagascar · 444 kmHigh 24.6°C · Low 19.4°C · 109 mm rain
- Antanifotsy in AugustMadagascar · 450 kmHigh 18.5°C · Low 7.7°C · 7.6 mm rain
- Antsirabe in AugustMadagascar · 468 kmHigh 20.5°C · Low 8.2°C · 5.8 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 Mahajanga) is explained once on the Mahajanga year overview and on the Sources, method and limits page.