Mahajanga weather in March
In March, Mahajanga has daytime highs averaging 31 °C, nights around 25 °C, with 21 wet days, and a sea temperature of 30 °C. Figures are 1991–2020 climate normals.
- 30.7°C Average high
- 24.6°C Average low
- 21days Wet days
- 210mm Rainfall
- 29.6°C Sea temperature
- 12h Daylight
Daily temperatures through March
How March develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 March | 30.3 °C | 24.6 °C | 77 % |
| 11–20 March | 30.7 °C | 24.6 °C | 69 % |
| 21–31 March | 31.1 °C | 24.6 °C | 59 % |
- Rain is most likely over days 1–10 of March (77 % of days) and least likely over days 21–31 (59 %).
What to expect
| Measure | Typical March | Share of the month |
|---|---|---|
| Days above 25 °C | 31 of 31 | 100 % |
| Days above 30 °C | 22 of 31 | 72 % |
| Days below 0 °C | 0 of 31 | 0 % |
| Days with more than 1 mm rain | 21 of 31 | 68 % |
Conditions in March
| Measure | Average |
|---|---|
| Mean temperature | 27 °C |
| Record high (1991–2020) | 34 °C |
| Record low (1991–2020) | 22 °C |
| Relative humidity | 81 % |
| Wind speed | 14 km/h |
| Cloud cover | 65 % |
Where Mahajanga ranks in March
| Ranking | Position | Value |
|---|---|---|
| Warmest sea temperatures in Africa in March | 1stof 50 | 30 °C |
| Warmest sea temperatures in the world in March | 10thof 50 | 30 °C |
March compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 29.7 °C | 419 mm | 84 % |
| February | 29.7 °C | 315 mm | 80 % |
| March | 30.7 °C | 210 mm | 65 % |
| April | 31.9 °C | 45 mm | 37 % |
| May | 31.8 °C | 8 mm | 24 % |
See all twelve months for Mahajanga
- March is the 8th warmest month here.
- It is the 9th driest month of the year.
- It ranks 9th for least cloud cover.
- Days last about 12 hours from sunrise to sunset.
- It rains on 21 of 31 days — 68 % of the month.
- Nights are about 6.1 °C cooler than the middle of the day.
- The hottest March day on record since 1991 reached 34 °C, 3.5 °C above the usual daytime high.
- Beach score: 62 / 100 — see how this is calculated.
Nearby destinations in March
| Destination | Avg high | Wet days | Sea |
|---|---|---|---|
| Mahajanga | 31 °C | 21 | 30 |
| Mamoudzou | 28 °C | 20 | 30 |
| Antananarivo | 24 °C | 15 | – |
QuestionsMarch in Mahajanga, answered
How warm is Mahajanga in March?
Daily highs average 31 °C and nights fall to about 25 °C, a spread of 6.1 °C between afternoon and dawn. That makes March the 5th warmest month of the year here.
Does it rain much in Mahajanga in March?
March averages 210 mm of rain, spread over about 21 of the 31 days — 68 % of the month. Cloud cover averages 65 % of the sky.
Is the sea warm enough to swim in March?
The sea averages 30 °C off Mahajanga in March. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.
How long are the days in March?
Mahajanga averages 12 hours between sunrise and sunset in March. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.