Photo: Lemah251 · CC BY-SA 4.0 · Wikimedia Commons
ImerintsiatosikaReport this photo · linked, not stored
ImerintsiatosikaReport this photo · linked, not stored
Climate guideThirty-year normals for Imerintsiatosika
Imerintsiatosika climate by month
Subtropical highland · CwbBest Aug–Oct
Annual mean18°day and night
Seasonal swing6°warmest vs coolest
Precipitation1,480 mm225 wet days a year
18.98° S, 47.32° EElevation 1,296 mUTC+3 · East Africa Time
When to goImerintsiatosika · weather score
Best timeAug–Oct
October: high / low25° / 13°
iSummary
What the weather is like
Imerintsiatosika has a subtropical highland climate (Köppen Cwb): a dry winter and a wetter summer.
The warmest month is November, when afternoons average 26° and nights 15°. July is the coolest month, with highs of 19° and lows of 10°. The difference between the warmest and the coolest month is about 6°, a small seasonal swing typical of places tempered by the sea.
About 1,480 mm of precipitation falls in an average year. January is the wettest month (358 mm, 28 wet days) and September the driest (16 mm, 7 wet days). Cloud cover ranges from 25% in September to 58% in January.
Compared with Antananarivo, the capital, Imerintsiatosika is 0° warmer on a November afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 26° · November
- Coldest nights
- 10° · July
- Wettest month
- January
- Driest month
- September
- Clearest skies
- September · 25% cloud
- Longest day
- 13 h 16 min
- Shortest day
- 11 h 00 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 | 25° | 25° | 25° | 24° | 22° | 20° | 19° | 20° | 23° | 25° | 26° | 26° |
| Average low | 17° | 17° | 16° | 15° | 13° | 11° | 10° | 10° | 11° | 13° | 15° | 16° |
| Precipitation | 358 mm | 282 mm | 212 mm | 57 mm | 25 mm | 6 mm | 7 mm | 9 mm | 16 mm | 76 mm | 153 mm | 279 mm |
| Wet days (≥1 mm) | 27.7 | 24.8 | 26.2 | 22.5 | 16.7 | 14.3 | 16.8 | 13.2 | 7.3 | 12.2 | 19.2 | 24.3 |
| Cloud cover | 58% | 55% | 44% | 32% | 31% | 28% | 30% | 28% | 25% | 29% | 36% | 48% |
| Daylight | 13h 09 | 12h 43 | 12h 13 | 11h 40 | 11h 14 | 11h 00 | 11h 05 | 11h 28 | 11h 58 | 12h 30 | 13h 00 | 13h 16 |
| Month score | 55 | 57 | 61 | 66 | 67 | 67 | 67 | 69 | 83 | 71 | 61 | 57 |
ivMonth by month
Imerintsiatosika in every month
January55
25° / 17°
358 mm · 27.7 wet days
February57
25° / 17°
282 mm · 24.8 wet days
March61
25° / 16°
212 mm · 26.2 wet days
April66
24° / 15°
57 mm · 22.5 wet days
May67
22° / 13°
25 mm · 16.7 wet days
June67
20° / 11°
6 mm · 14.3 wet days
July67
19° / 10°
7 mm · 16.8 wet days
August69
20° / 10°
9 mm · 13.2 wet days
September83
23° / 11°
16 mm · 7.3 wet days
October71
25° / 13°
76 mm · 12.2 wet days
November61
26° / 15°
153 mm · 19.2 wet days
December57
26° / 16°
279 mm · 24.3 wet days