Climate Overview
The climate across U.S. Virgin Islands shows moderate regional variation. Annual temperatures range from lows of -5°C in the coldest regions to highs of 9°C in the warmest areas. Rainfall is fairly uniform nationwide at around 367mm per year. Snow is common across the country during winter months. Conditions across U.S. Virgin Islands are broadly cool, with only modest differences between regions.
Temperature by Region
Temperature patterns across U.S. Virgin Islands vary by region, with distinct differences between areas. The Central is the warmest part of the country, with peak temperatures reaching 9°C and an annual average of 4°C. Cooler conditions are found in the Central, where winter lows drop to -5°C and an annual average of 1°C. Despite some regional variation, the 3°C difference in annual averages means conditions are broadly similar across U.S. Virgin Islands. Regional temperature differences remain relatively consistent across seasons, with around 1°C of variation in both summer and winter. For example, Cruz Bay in the Saint John Island averages 4°C annually, while Charlotte Amalie in the Saint Thomas Island averages 1°C.
Precipitation by Region
Rainfall is relatively uniform across U.S. Virgin Islands, with most regions receiving around 367mm per year. The Central receives the most rainfall, at approximately 386mm annually. The Central is the driest, with around 346mm 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 U.S. Virgin Islands they visit.