May weather forecastAntisiranana, Madagascar
May
Weather in May
May in Antsiranana witnesses a noticeable change in weather patterns. There is a decline in temperature, most significantly in the lower bracket. A sharp decrease in rainfall contrastingly indicates a transition towards the drier months of the year. The sea continues its slight cooling trend yet remains suitable for marine activities. Coupled with the shorter daylight hours, it still offers a substantial amount of sunshine. The shift in UV index to nine lessens the intensity of sun protection required.Temperature
The shift into May uncovers an average high-temperature of a still hot 30.4°C (86.7°F), subtly different from the previous month. An average minimum temperature of 21.6°C (70.9°F) is recorded during the month of May.Rainfall
In Antisiranana, in May, it is raining for 4 days, with typically 13mm (0.51") of accumulated precipitation. Throughout the year, there are 84 rainfall days, and 1197mm (47.13") of precipitation is accumulated.Sea temperature
In Antisiranana, the average seawater temperature in May is 28°C (82.4°F).Note: For engaging in water activities including swimming and diving, temperatures from 25°C (77°F) to 29°C (84.2°F) are perceived as perfect, providing pleasure for extended durations.
Daylight
In Antisiranana, the average length of the day in May is 11h and 33min.On the first day of May, sunrise is at 05:49 and sunset at 17:29. On the last day of the month, sunrise is at 05:57 and sunset at 17:24 EAT.
Sunshine
The average sunshine in May is 9.2h.UV index
In May, the average daily maximum UV index is 9. A UV Index reading of 8 to 10 represents a very high threat to health from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 9 suggests these recommendations:
Always prioritize safety measures. Rapid harm can befall unprotected skin and eyes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Sunscreen with a sun protection factor of no less than 30 should be used liberally and reapplied frequently on overcast days, including after every swim or outdoor activity. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Antisiranana, Madagascar
- Average high temperature in May: 30.4°C
The warmest month (with the highest average high temperature) is November (31.5°C).
The months with the lowest average high temperature are July and August (28.7°C).
- Average low temperature in May: 21.6°C
The months with the highest average low temperature are March and December (22.9°C).
The coldest month (with the lowest average low temperature) is August (19.4°C).
Average rainfall in May
Antisiranana, Madagascar
- Average rainfall in May: 13.4mm
The wettest month (with the highest rainfall) is January (337.5mm).
The driest month (with the least rainfall) is September (8.8mm).
Average rainfall days in May
Antisiranana, Madagascar
- Average rainfall days in May: 4 days
The month with the highest number of rainy days is January (16 days).
The month with the least rainy days is September (2 days).
Average sea temperature in May
Antisiranana, Madagascar
- Average sea temperature in May: 28°C
The best months for swimming (with the highest average sea temperature) are February and March (29°C).
The coldest months (with the lowest average sea temperature) are August and September (25°C).
Average daylight in May /
Average sunshine in May
Antisiranana, Madagascar
- Average daylight in May: 11h and 30min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in May: 9h and 12min
The month with the most sunshine is October (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 6h and 6min).
Average UV index in May
Antisiranana, Madagascar
- Average UV index in May: 9
The months with the highest UV index are January, February, March, April, September, October, November and December (UV index 12).
The month with the lowest UV index is June (UV index 8).





