Photo: HoneyGaLe · CC BY-SA 3.0 · Wikimedia Commons
FianarantsoaReport this photo · linked, not stored
FianarantsoaReport this photo · linked, not stored
Climate guideThirty-year normals for Fianarantsoa
Fianarantsoa climate by month
Subtropical highland · CwbBest Aug–Oct
Annual mean18°day and night
Seasonal swing7°warmest vs coolest
Precipitation1,329 mm265 wet days a year
21.45° S, 47.09° EElevation 1,117 mUTC+3 · East Africa Time
When to goFianarantsoa · weather score
Best timeAug–Oct
October: high / low23° / 13°
iSummary
What the weather is like
Fianarantsoa has a subtropical highland climate (Köppen Cwb): a dry winter and a wetter summer.
The warmest month is December, when afternoons average 25° and nights 17°. July is the coolest month, with highs of 18° and lows of 10°. The difference between the warmest and the coolest month is about 7°, a small seasonal swing typical of places tempered by the sea.
About 1,329 mm of precipitation falls in an average year. March is the wettest month (172 mm, 30 wet days) and September the driest (24 mm, 12 wet days). Cloud cover ranges from 39% in September to 58% in January.
Compared with Antananarivo, the capital, Fianarantsoa is 0.7° cooler on a December afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 25° · December
- Coldest nights
- 10° · July
- Wettest month
- March
- Driest month
- September
- Clearest skies
- September · 39% cloud
- Longest day
- 13 h 26 min
- Shortest day
- 10 h 50 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° | 24° | 24° | 23° | 21° | 19° | 18° | 19° | 22° | 23° | 25° | 25° |
| Average low | 17° | 17° | 17° | 15° | 13° | 11° | 10° | 10° | 11° | 13° | 15° | 17° |
| Precipitation | 285 mm | 245 mm | 172 mm | 64 mm | 45 mm | 26 mm | 40 mm | 24 mm | 24 mm | 70 mm | 128 mm | 206 mm |
| Wet days (≥1 mm) | 28.3 | 26.7 | 29.7 | 26.7 | 23.2 | 18.7 | 20.2 | 18.3 | 12.3 | 15.3 | 20.7 | 24.7 |
| Cloud cover | 58% | 58% | 53% | 47% | 46% | 44% | 48% | 43% | 39% | 41% | 43% | 51% |
| Daylight | 13h 18 | 12h 48 | 12h 14 | 11h 37 | 11h 06 | 10h 50 | 10h 56 | 11h 22 | 11h 57 | 12h 34 | 13h 08 | 13h 26 |
| Month score | 55 | 55 | 57 | 60 | 60 | 61 | 60 | 62 | 67 | 62 | 62 | 58 |
ivMonth by month
Fianarantsoa in every month
January55
25° / 17°
285 mm · 28.3 wet days
February55
24° / 17°
245 mm · 26.7 wet days
March57
24° / 17°
172 mm · 29.7 wet days
April60
23° / 15°
64 mm · 26.7 wet days
May60
21° / 13°
45 mm · 23.2 wet days
June61
19° / 11°
26 mm · 18.7 wet days
July60
18° / 10°
40 mm · 20.2 wet days
August62
19° / 10°
24 mm · 18.3 wet days
September67
22° / 11°
24 mm · 12.3 wet days
October62
23° / 13°
70 mm · 15.3 wet days
November62
25° / 15°
128 mm · 20.7 wet days
December58
25° / 17°
206 mm · 24.7 wet days