Climate Change Chart of Road Town, Virgin Islands (British)

Overview of climate changes

Temperature changes

Averaged across calendar months, monthly mean temperature shows a difference of +0.65 °C in the more recent reference period. The largest monthly increase was in September, with a difference of +0.93 °C; this describes the monthly mean, not daytime maximum temperatures, and does not mean every month warmed by the same amount.

Changes in rainfall

Mean daily rainfall, also averaged across calendar months, shows a difference of -0.65 mm/day. The largest monthly decrease was in October, with a difference of -1.72 mm/day, while the largest monthly increase was in February / July, with a difference of +0.05 mm/day. These are daily averages rather than monthly rainfall totals, and they do not show how often rain fell or how it was distributed within a month.

Changes in sunshine duration

Mean daily sunshine duration averaged across calendar months shows a difference of -0.03 hours/day. The largest monthly increase was in May, with a difference of +0.21 hours/day, while the largest decrease was in July, with a difference of -0.31 hours/day. These period comparisons describe averages, not the sunshine visitors can expect on a particular day.