Monthly weather forecast and Climate
Vieques, PR US

Warmest months (with the highest average high temperature) are August and September (88°F).
Months with the lowest average high temperature are January and February (81°F).

Months with the highest average low temperature are July, August and September (75°F).
Coldest months (with the lowest average low temperature) are January and February (68°F).

Wettest months (with the highest rainfall) are July and November (7.8").
The driest month (with the lowest rainfall) is February (3.3").

The month with the highest number of rainy days is December (21 days).
The month with the lowest number of rainy days is April (14 days).

The best month for swimming (with the highest average sea temperature) is September (85°F).
The coldest month (with the lowest average sea temperature) is February (78.7°F).

Months with the longest days are April, May, June, July and August (Average daylight: 13h).
Months with shortest days are January, November and December (Average daylight: 11h).

Months with most sunshine are March, April, June, July and August (Average sunshine: 9h).
Months with least sunshine are October, November and December (Average sunshine: 7).

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).