When to go · Madagascar
When to go to Antananarivo
When to go
What the averages say
On these averages, Antananarivo has a mean high between 18°C and 32°C and under 150 mm of rain in May and August to October.
Of those months, it is also dry (under 50 mm of rain) and not humid in September.
- Wet months (150 mm of rain or more): November to April.
- The warmest month is November (24°C) and the coolest July (17°C). The wettest is January (475 mm) and the driest September (47 mm); about 2,383 mm of rain falls in a year.
How these sentences are worded
Each sentence is written from the figures by fixed rules, and says no more than they do. Mild to warm: a mean daily high from 18°C up to 32°C. Hot: 32°C or more. Cool: 10°C up to 18°C. Cold: under 10°C. Dry: under 50 mm of rain in the month; wet: 150 mm or more. Humid: a high of 25°C or more with relative humidity of 70% or more. A month is described as good for going when it is mild to warm and not wet.
The year at a glance
- Mild to warm and dry
- Mild to warm, humid or showery
- Hot
- Cool
- Wet
- Cold
- JanWet
- FebWet
- MarWet
- AprWet
- MayMild–warm, mixed
- JunCool
- JulCool
- AugMild–warm, mixed
- SeptMild–warm, dry
- OctMild–warm, mixed
- NovWet
- DecWet
Month by month
Every month in Antananarivo
| Month | High | Low | Rain | Humidity | Cloud | Sunlight (kWh/m²/day) | High in Dubai | What it is like |
|---|---|---|---|---|---|---|---|---|
| January | 23°C | 15°C | 475 mm | 87% | 80% | 6 | 23°C | Wet |
| February | 23°C | 15°C | 379 mm | 88% | 77% | 5.9 | 24°C | Wet |
| March | 23°C | 15°C | 304 mm | 89% | 68% | 5.7 | 27°C | Wet |
| April | 22°C | 13°C | 159 mm | 88% | 52% | 5.3 | 31°C | Wet |
| May | 20°C | 11°C | 86 mm | 88% | 42% | 4.5 | 35°C | Mild to warm, humid or showery |
| June | 17°C | 9°C | 84 mm | 88% | 39% | 4.1 | 37°C | Cool |
| July | 17°C | 8°C | 85 mm | 87% | 42% | 4.3 | 39°C | Cool |
| August | 18°C | 8°C | 58 mm | 85% | 40% | 5.1 | 39°C | Mild to warm, humid or showery |
| September | 20°C | 9°C | 47 mm | 82% | 40% | 6.1 | 37°C | Mild to warm and dry |
| October | 23°C | 12°C | 96 mm | 80% | 49% | 6.7 | 34°C | Mild to warm, humid or showery |
| November | 24°C | 14°C | 222 mm | 80% | 61% | 6.8 | 29°C | Wet |
| December | 24°C | 15°C | 388 mm | 84% | 71% | 6.6 | 25°C | Wet |
The Dubai column is Dubai's mean daily high, for comparison.
Modelled averages for an area about 50 km across, not a weather station's record: NASA POWER climatology, 2001–2020. These data were obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program.
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