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Vatomandry climate by month
What the weather is like
Vatomandry has a tropical rainforest climate (Köppen Af): .
The warmest month is January, when afternoons average 28° and nights 24°. July is the coolest month, with highs of 22° and lows of 19°. The difference between the warmest and the coolest month is about 5°, a small seasonal swing typical of places tempered by the sea.
About 2,653 mm of precipitation falls in an average year. March is the wettest month (367 mm, 27 wet days) and October the driest (112 mm, 9 wet days). Cloud cover ranges from 25% in September to 52% in January.
The sea reaches about 29° in February. 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, Vatomandry is 2.6° warmer on a January afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 28° · January
- Coldest nights
- 19° · July
- Wettest month
- March
- Driest month
- October
- Clearest skies
- September · 25% cloud
- Warmest sea
- 29° · February
- Longest day
- 13 h 17 min
- Shortest day
- 10 h 58 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° | 27° | 26° | 25° | 23° | 22° | 22° | 23° | 25° | 26° | 27° |
| Average low | 24° | 25° | 24° | 23° | 22° | 20° | 19° | 19° | 20° | 21° | 23° | 24° |
| Precipitation | 331 mm | 411 mm | 367 mm | 237 mm | 222 mm | 180 mm | 179 mm | 158 mm | 106 mm | 112 mm | 105 mm | 245 mm |
| Wet days (≥1 mm) | 25.2 | 25.8 | 26.8 | 24.3 | 20.8 | 16.5 | 20.7 | 14.7 | 10.3 | 9.2 | 11.7 | 21.2 |
| Cloud cover | 52% | 50% | 42% | 31% | 29% | 27% | 28% | 26% | 25% | 28% | 32% | 44% |
| Sea temperature | 28° | 29° | 28° | 28° | 27° | 26° | 25° | 24° | 24° | 25° | 26° | 28° |
| Daylight | 13h 10 | 12h 44 | 12h 13 | 11h 40 | 11h 13 | 10h 58 | 11h 04 | 11h 27 | 11h 58 | 12h 31 | 13h 01 | 13h 17 |
| Month score | 46 | 47 | 53 | 62 | 67 | 67 | 67 | 67 | 76 | 78 | 67 | 52 |