Andoany climate by month
What the weather is like
Andoany has a tropical monsoon climate (Köppen Am): .
The warmest month is April, when afternoons average 29° and nights 26°. August is the coolest month, with highs of 26° and lows of 23°. The difference between the warmest and the coolest month is about 3°, a small seasonal swing typical of places tempered by the sea.
About 1,963 mm of precipitation falls in an average year. January is the wettest month (415 mm, 26 wet days) and October the driest (70 mm, 2 wet days). Cloud cover ranges from 15% in May to 59% in February.
The sea reaches about 30° in April. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Antananarivo, the capital, Andoany is 5° warmer on a April afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 29° · April
- Coldest nights
- 23° · August
- Wettest month
- January
- Driest month
- October
- Clearest skies
- May · 15% cloud
- Warmest sea
- 30° · April
- Longest day
- 12 h 54 min
- Shortest day
- 11 h 20 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 28° | 28° | 29° | 29° | 28° | 27° | 26° | 26° | 26° | 27° | 28° | 28° |
| Average low | 25° | 25° | 26° | 26° | 25° | 24° | 23° | 23° | 23° | 24° | 25° | 25° |
| Precipitation | 415 mm | 373 mm | 277 mm | 142 mm | 50 mm | 40 mm | 29 mm | 35 mm | 50 mm | 70 mm | 146 mm | 336 mm |
| Wet days (≥1 mm) | 26 | 23.2 | 21 | 15.5 | 5.5 | 3.5 | 2.3 | 1.7 | 2 | 1.5 | 10.2 | 19.5 |
| Cloud cover | 58% | 59% | 46% | 25% | 15% | 15% | 16% | 17% | 16% | 17% | 25% | 44% |
| Sea temperature | 29° | 29° | 30° | 30° | 29° | 28° | 27° | 27° | 27° | 28° | 28° | 29° |
| Daylight | 12h 50 | 12h 32 | 12h 11 | 11h 48 | 11h 30 | 11h 20 | 11h 24 | 11h 40 | 12h 01 | 12h 23 | 12h 44 | 12h 54 |
| Month score | 43 | 43 | 46 | 52 | 75 | 85 | 90 | 92 | 90 | 87 | 64 | 48 |