Detailed Climate Information for Saint Helena, Ascension and Tristan da Cunha: Regional Weather Patterns and Data
Welcome to the climate overview of Saint Helena, Ascension, and Tristan da Cunha. Learn about the weather patterns in this unique territory.
Saint Helena, Ascension, and Tristan da Cunha experience a mix of tropical and temperate climates. While Saint Helena has a subtropical climate with mild temperatures year-round, Ascension has a hot desert climate, and Tristan da Cunha has a marine west coast climate with cool summers and mild winters.
Best Travel Time Guide for Saint Helena, Ascension and Tristan da Cunha: Ideal Seasons and Weather Insights
The best time to travel to Saint Helena is during the dry season from November to March when the weather is pleasant. Ascension is best visited between May and September to avoid the scorching heat, while Tristan da Cunha is ideal to visit in the summer months of December to February.
Detailed Climate in the Regions of Saint Helena, Ascension and Tristan da Cunha
Jamestown
Region South-East
Monthly mean temperatures reach their highest point in March, at 23.
Georgetown
Region North-West
The monthly mean temperature reaches its highest point at 26.
Edinburgh of the Seven Seas, Tristan da Cunha
Region South-West
Monthly mean temperatures are highest at 17.