Vieques Weather in August
Vieques in August sees high daytime temperatures of 30°C (86°F) and nighttime lows of 27°C (81°F). Rainfall is fairly high this month at around 149 mm (5.9 in), so pack a rain jacket to stay dry.
Rainfall in Vieques in August
Analyzing past climate data, one can expect approximately 20 days of rain, averaging 149 mm (5.9 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Vieques in August
If you're visiting Vieques in August, expect highs of 30°C (86°F) and overnight lows around 27°C (81°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 27°C (81°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.
Sunshine in Vieques in August
Expect a lot of sunshine this month, with about 267 hours of sun. These sunny conditions add to the overall experience.August in Vieques can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Vieques's climate page.
Vieques Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
65%
Precipitation
149 mm (5.9 in)
Rainy days
20 days
Humidity
76% *
Sunshine
267 hours *
Percentage Sunshine
68% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Vieques typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Vieques in August
Browse day-by-day weather records for Vieques spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Vieques historical weather extremes in August
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Vieques.
- The warmest day in August was on August 4, 1997, with a maximum of 36°C (97°F).
- The lowest daytime temperature in August was 27°C (81°F), recorded on August 24, 1988.
- Nighttime temperatures dropped to 22°C (72°F) on August 27, 1976, marking the coldest August night on record.
Best Places in Puerto Rico in August
Find out more about the weather in Puerto Rico and which places have the best travel conditions in this month. See all of Puerto Rico in August →
perfect weather
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What to Wear in Vieques in August
Warm but pleasant conditions in Vieques in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Vieques in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our Vieques's climate page.
Temperature Rainfall Sunshine Humidity
See the full Vieques climate overview or explore weather in Puerto Rico.
