St. Kitts and Nevis has a tropical marine climate, characterized by high temperatures and heavy precipitation throughout the year. It is also often affected by hurricanes, so caution is required over a long period from May to November.

Basseterre Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Highest Temperature 28 29 29 29 30 31 31 31 31 31 30 29 Lowest Temperature 23 22 23 23 24 25 25 25 25 25 24 23 Precipitation 92 49 56 60 88 86 113 132 141 124 132 90