How hot does Seychelles get in summer in 2026?

Daytime highs commonly land in the high 20s to low 30s°C, with nights in the low-to-mid 20s. The warmer season tracks the northwest monsoon, roughly December through March into April, when humidity climbs and winds can lull: Humidity. Seychelles Meteorological Authority guidance flags April as an uncomfortably warm transition month when maxima can reach 32°C or more under light, variable winds.

From about May through September, southeast trades bring steadier breeze, sunnier stretches, and slightly cooler air from the south. July often reads as one of the milder thermometer months, yet exposed coasts feel windier and seas choppier. Inland and higher Mahé slopes can sit a few degrees softer than Victoria or Beau Vallon asphalt edges: Living in Victoria and Living in Beau Vallon.

Ask for a working AC or strong cross-ventilation before you sign a humid-season lease, then budget PUC electricity spikes when nights stay sticky: Utilities, internet, and transport and Rent in Seychelles. Schedule Morne Seychellois hikes for early morning rather than April midday lulls: Outdoor recreation. Beach corridors help with sea breeze; sealed inland flats without fans punish remote work afternoons: Where to live in Seychelles.

Heavy shower days can briefly cool the air, then leave more moisture behind: Rain. Calm, hot stretches can also let local pollutants linger longer near traffic pockets: Air quality. The islands sit largely outside the main cyclone belt, so the daily product is heat and humidity more than mid-latitude storm drama.