Futuna and Wallis enjoy an warm to hot South Sea tropical climate. Temperatures reach about 28°C all year round, and can get a bit higher in the summer; but seldom reaches above 35°C. Trade winds from the east southeast bring year long cooling breezes late afternoon and early evening.
The season for tropical rains is from December through February coinciding with the warmest summer months. The Futuna and Wallis are situated in the southern Hemisphere, so "Summer" lasts from November to February and "Winter" from April to September. However, there are no significant Differences in Temperature; in general, the Temperatures between April and September are only slightly cooler than from November to February.
Typhoons can sometimes hit Futuna and Wallis from end January to Mid March. However, these Storms are usually not a danger for the Islands, because the usual routes of these Storms are too far south in the Southern Hemisphere Typhoon Season.
Lightweight cotton clothing is advised throughout the year, with an umbrella or raincoat for sudden cloudbursts. A sweater is needed in the mountainous inland areas. No matter where you go, be prepared for high temperatures and humidity.
The Climate of Futuna and Wallis can be classified as Af climate, a hot, humid tropical climate with all months above 18°C.