Vieques Sunshine Hours by Month

To truly understand a climate, we must look at its sunshine. This page shows the total number of hours of direct sunlight per month and the average hours per day in Vieques, Puerto Rico. These values are calculated using 30 years of data (1990–2020) to ensure accuracy.

Monthly hours of sunshine

Across the seasons, sunshine hours in Vieques vary. From a high of 284 hours in March, to a low of 203 hours in November, the city offers a balanced mix of sunny and overcast days. The total annual sunshine amounts to 2966 hours.

Daily hours of sunshine

This means you can enjoy sunny spells year-round. March sees up to 9.5 hours of daily sunshine, perfect for a sunny trip. November, the least sunny month, still offers a generous 6.8 hours of sun despite this cloudier / rainier time of the year.

Average percent of sunshine

On average the sun shines 76% of the time during the day in March, the highest percentage of any month. November has the lowest percentage at 60%.

Vieques enjoys an average of 2966 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

In contrast, Tromsø , Norway, receives only about 1270 hours of sunshine per year, known for the polar night with no sunlight for weeks during winter.

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

September, Vieques’s wettest month, receives 176 mm (6.9 in) of rainfall and has a maximum daytime temperature of 30°C (86°F). During the driest month March you can expect a temperature of 27°C (81°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Vieques Precipitation page.