Vieques Weather & Climate: Best Time to Visit

The temperature in Vieques remains steady throughout the year, providing a consistently comfortable climate. Average daytime temperatures reach a comfortable 30°C (86°F) in September. In February, the coolest month of the year, temperatures drop to a comfortable 27°C (81°F).

At night, temperatures range from around 27°C (81°F) in September to 24°C (75°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Vieques has a relatively rainy climate with high precipitation levels, averaging 1276 mm (50 in) of rainfall annually. Vieques can be quite wet during September, receiving approximately 176 mm (6.9 in) of precipitation over 18 rainy days.

In contrast, during the driest month (March), you will experience much drier conditions, with 46 mm (1.8 in) of precipitation spread across 15 rainy days days. For more details, please visit our Vieques Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Vieques experiences moderate variation in sunshine hours across the seasons. With 9.5 hours daily sunshine in March, it dips to 6.8 hours in November, offering a balanced mix of sunny and overcast days.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The relative humidity is high throughout the year in Vieques.

The city experiences its highest humidity in October, reaching 77%. In March, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year