Photo: Hasinere · CC BY-SA 4.0 · Wikimedia Commons
ImerimandrosoReport this photo · linked, not stored
ImerimandrosoReport this photo · linked, not stored
Climate guideThirty-year normals for Imerimandroso
Imerimandroso climate by month
Monsoon-influenced humid subtropical · CwaBest Apr · Sep–Oct
Annual mean20°day and night
Seasonal swing6°warmest vs coolest
Precipitation1,528 mm274 wet days a year
17.43° S, 48.58° EElevation 755 mUTC+3 · East Africa Time
When to goImerimandroso · weather score
Best timeApr · Sep–Oct
October: high / low25° / 15°
iSummary
What the weather is like
Imerimandroso has a monsoon-influenced humid subtropical climate (Köppen Cwa): a dry winter and a wetter summer.
The warmest month is December, when afternoons average 27° and nights 19°. July is the coolest month, with highs of 20° and lows of 13°. The difference between the warmest and the coolest month is about 6°, a small seasonal swing typical of places tempered by the sea.
About 1,528 mm of precipitation falls in an average year. March is the wettest month (225 mm, 30 wet days) and October the driest (45 mm, 13 wet days). Cloud cover ranges from 40% in September to 59% in January.
Compared with Antananarivo, the capital, Imerimandroso is 1.5° warmer on a December afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 27° · December
- Coldest nights
- 13° · July
- Wettest month
- March
- Driest month
- October
- Clearest skies
- September · 40% cloud
- Longest day
- 13 h 10 min
- Shortest day
- 11 h 05 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 27° | 27° | 26° | 25° | 24° | 21° | 20° | 21° | 23° | 25° | 27° | 27° |
| Average low | 19° | 20° | 19° | 18° | 16° | 14° | 13° | 13° | 14° | 15° | 17° | 19° |
| Precipitation | 321 mm | 316 mm | 225 mm | 101 mm | 54 mm | 38 mm | 44 mm | 44 mm | 32 mm | 45 mm | 84 mm | 224 mm |
| Wet days (≥1 mm) | 29 | 25.7 | 29.8 | 26.2 | 24.5 | 22 | 24 | 19.5 | 16 | 13.2 | 18 | 26.2 |
| Cloud cover | 59% | 57% | 51% | 42% | 42% | 41% | 43% | 44% | 40% | 40% | 42% | 51% |
| Daylight | 13h 03 | 12h 40 | 12h 13 | 11h 43 | 11h 18 | 11h 05 | 11h 11 | 11h 31 | 11h 59 | 12h 28 | 12h 55 | 13h 10 |
| Month score | 48 | 49 | 54 | 62 | 62 | 62 | 62 | 61 | 63 | 65 | 56 | 49 |
ivMonth by month
Imerimandroso in every month
January48
27° / 19°
321 mm · 29 wet days
February49
27° / 20°
316 mm · 25.7 wet days
March54
26° / 19°
225 mm · 29.8 wet days
April62
25° / 18°
101 mm · 26.2 wet days
May62
24° / 16°
54 mm · 24.5 wet days
June62
21° / 14°
38 mm · 22 wet days
July62
20° / 13°
44 mm · 24 wet days
August61
21° / 13°
44 mm · 19.5 wet days
September63
23° / 14°
32 mm · 16 wet days
October65
25° / 15°
45 mm · 13.2 wet days
November56
27° / 17°
84 mm · 18 wet days
December49
27° / 19°
224 mm · 26.2 wet days