Water Island Weather in August
August in Water Island typically sees daytime highs of 30°C (86°F) and nighttime lows of 27°C (81°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Water Island in August
The climate data from previous years indicates about 20 days of rain, averaging 115 mm (4.5 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Water Island in August
Water Island in August gets highs of 30°C (86°F) during the day and drops to 27°C (81°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. 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.August in Water Island has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, 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 US Virgin Islands, check out our Water Island's climate page.
Water Island Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
65%
Precipitation
115 mm (4.5 in)
Rainy days
20 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Water Island 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 Water Island in August
Browse day-by-day weather records for Water Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Water Island historical weather extremes in August
Based on 49 years of weather observations in Water Island between 1976 and 2025, these are the recorded extremes.
- On August 8, 1979, temperatures climbed to 37°C (99°F), marking the warmest August day on record.
- The lowest daytime temperature in August was 27°C (81°F), recorded on August 3, 1978.
- The coldest night in August in Water Island was on August 2, 1992, with a minimum of 21°C (70°F).
Best Places in US Virgin Islands in August
Find out more about the weather in US Virgin Islands and which places have the best travel conditions in this month. See all of US Virgin Islands in August →
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What to Wear in Water Island in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Water Island 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 US Virgin Islands, check out our Water Island's climate page.
See the full Water Island climate overview or explore weather in US Virgin Islands.
