Climate averages 1991–2020
Toamasina weather
in May.
A warm, very wet month: the 7th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Toamasina: daytime highs average 25.0°C and nights cool to about 21.6°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 201 mm of rain on roughly 24 days, which makes May a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 16 min on an average May day.
The nearest other city in this atlas is Antananarivo (214 km away). In May its highs average 21.9°C, 3.1°C cooler than Toamasina, with 12 mm of rain.
Among the 12 cities listed in Madagascar, Toamasina ranks 6th of 12 for the warmest May highs and 12th of 12 for the driest May (rainfall, lowest first). The mean May high of those 12 cities is 24.9°C; Toamasina is 0.1°C warmer than that mean.
From May to June, average highs fall by 1.7°C to 23.3°C, and monthly rainfall falls from 201 mm to 174 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Toamasina climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.9°C23.7°C | 23.7°C | 305 | 24.9 | 13.113 h |
| February | 27.9°C23.9°C | 23.9°C | 324 | 23.2 | 12.713 h |
| March | 27.3°C23.6°C | 23.6°C | 346 | 26.2 | 12.212 h |
| April | 26.4°C22.9°C | 22.9°C | 200 | 24.2 | 11.712 h |
| May, selected | 25.0°C21.6°C | 21.6°C | 201 | 23.5 | 11.311 h |
| June | 23.3°C19.9°C | 19.9°C | 174 | 24.2 | 11.111 h |
| July | 22.4°C18.9°C | 18.9°C | 180 | 24.3 | 11.111 h |
| August | 22.7°C18.9°C | 18.9°C | 112 | 20.8 | 11.512 h |
| September | 23.5°C19.4°C | 19.4°C | 76 | 17.7 | 12.012 h |
| October | 24.9°C20.8°C | 20.8°C | 77 | 17.0 | 12.512 h |
| November | 26.3°C22.1°C | 22.1°C | 79 | 16.1 | 13.013 h |
| December | 27.4°C23.2°C | 23.2°C | 186 | 22.0 | 13.213 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Antananarivo in MayMadagascar · 214 kmHigh 21.9°C · Low 13.3°C · 12 mm rain
- Imerintsiatosika in MayMadagascar · 239 kmHigh 21.9°C · Low 12.9°C · 15 mm rain
- Antanifotsy in MayMadagascar · 276 kmHigh 19.8°C · Low 10.8°C · 24 mm rain
- Antsirabe in MayMadagascar · 314 kmHigh 21.0°C · Low 11.0°C · 20 mm rain
- Antalaha in MayMadagascar · 373 kmHigh 26.8°C · Low 22.2°C · 66 mm rain
- Mahajanga in MayMadagascar · 425 kmHigh 31.8°C · Low 23.3°C · 6.4 mm rain
- Sambava in MayMadagascar · 439 kmHigh 27.0°C · Low 22.1°C · 120 mm rain
- Fianarantsoa in MayMadagascar · 440 kmHigh 21.0°C · Low 13.8°C · 24 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Toamasina) is explained once on the Toamasina year overview and on the Sources, method and limits page.