Climate in Antigua and Barbuda

Antigua and Barbuda has a highly diverse climate, with major differences between regions. Annual temperatures range from lows of -2°C in the coldest regions to highs of 30°C in the warmest areas. Rainfall is fairly uniform nationwide at around 302mm per year. Snow is common across the country during winter months. The warmest areas are warm year-round while the coldest regions remain cool, making Antigua and Barbuda a country of sharp climate contrasts.

Temperature patterns across Antigua and Barbuda vary by region, with distinct differences between areas. The Central is the warmest part of the country, with peak temperatures reaching 30°C and an annual average of 21°C. Cooler conditions are found in the Central, where winter lows drop to -2°C and an annual average of 3°C. This 18°C difference in annual averages between regions means travellers can experience vastly different conditions depending on which part of Antigua and Barbuda they visit. The biggest regional differences emerge in summer, with up to 22°C variation across the country. For example, Saint John’s in the Parish of Saint John averages 21°C annually, while Codrington in the Barbuda averages 3°C.

Rainfall is relatively uniform across Antigua and Barbuda, with most regions receiving around 302mm per year. The Central receives the most rainfall, at approximately 313mm annually. The Central is the driest, with around 290mm per year. Rainfall is distributed fairly evenly across the seasons, with no strong wet or dry period in most regions. All regions receive notable snowfall during winter, though amounts vary between areas. Rainfall is similar across regions, so travellers can expect comparable conditions regardless of which part of Antigua and Barbuda they visit.