Antigua And Barbuda flagClimate & Weather Guide

Climate zones, seasonal temperatures, rainfall patterns, and best travel times in Antigua And Barbuda

Antigua and Barbuda features a tropical climate characterized by warm temperatures year-round and a distinct dry and wet season. Located in the eastern Caribbean, the islands experience moderate heat and humidity with average daytime temperatures ranging from 26°C in winter months to 29°C in spring. The climate is influenced by trade winds that provide relief from the tropical heat. Rainfall is concentrated in the hurricane season (August-November), while the dry season (December-April) offers more stable weather conditions. The islands' small size and maritime location create relatively consistent climatic conditions across the territory.

Summer Average

28-29°C

Winter Average

22-26°C

Climate Types

Tropical Savanna

Annual Rainfall

300-1200 mm

Sunshine Hours

2,800-3,000 hours annually

Average Humidity

65-75%

Regional Climate Variations

Island Regions

Antigua and Barbuda comprises two main islands with consistent tropical conditions throughout. The islands experience warm daytime temperatures averaging 26-29°C depending on season, with cooler nights around 22-24°C. Trade winds provide natural ventilation and moderate the tropical heat. The dry season (December-April) is the most pleasant period for residents, with lower rainfall and stable weather. The wet season (August-November) brings increased precipitation and hurricane risk. Sea temperatures remain warm year-round, averaging 26°C in March and warming further during summer months.

Summer:28-29°C
Winter:22-26°C
Low to moderate rainfall

Tropical island climate with warm, consistent temperatures and trade wind breezes. The dry season offers sunny days with 8+ hours of sunshine daily, while the wet season brings afternoon showers and higher humidity. Extreme UV index (11+) requires sun protection year-round. The maritime setting keeps temperatures moderate despite tropical latitude, making the climate comfortable for residents adapted to warm weather.

Antigua and Barbuda maintains a tropical savanna climate with warm temperatures throughout the year, ranging from 22-26°C in winter to 28-29°C in summer. The islands experience a pronounced dry season (December-April) ideal for residents seeking stable weather, and a wetter season (August-November) with hurricane potential. The consistent trade winds, abundant sunshine (2,800-3,000 hours annually), and warm sea temperatures make the islands appealing for those seeking a tropical Caribbean lifestyle.