Vieques weather in August 2025

Expect 31°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Vieques in August. Check more long-term weather averages for Vieques in August before you book your next holiday to Puerto Rico in 2025/2026.

  • 31°C maximum daytime temperature in August in Vieques31
    31°C max day temperature
  • 9 hours of sunshine per day
  • 20 days with some rainfall in August in Vieques20
    20 days with some rainfall
  • 24°C minimum night-time temperature in August in Vieques24
    24°C min night temperature
  • 13 hours of daylight per day in August in Vieques13
    13 hours of daylight per day
  • High heat & humidity in August in ViequesH
    High heat & humidity
  • 193 mm monthly rainfall in August in Vieques193
    193 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Vieques11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in Vieques28
    28°C sea temperature

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The August weather guide for Puerto Rico (Vieques) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Puerto Rico

How hot is it in Vieques in August?

Daytime temperatures usually reach 31°C in Vieques in August with high heat and humidity, falling to 24°C at night.

How sunny is it in Vieques in August?

There are normally 9 hours of bright sunshine each day in Vieques in August - that's 68% of daylight hours.

How warm is the sea around Vieques in August?

The average sea temperature around Vieques in August is 28°C.

Does it rain in Vieques in August?

There are usually 20 days with some rain in Vieques in August and the average monthly rainfall is 193mm.

What is the chance of a hurricane in Vieques in August?

On average less than 1 day in August in Vieques is likely to be affected by the passage of one or more tropical storms.

Vieques August sunrise & sunset times

Browse the sunrise and sunset times for Vieques in August 2025. Select a month to view Vieques sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:01 18:58
Saturday, 16th August 2025 06:05 18:49
Sunday, 31st August 2025 06:09 18:38

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