Gustavia Weather in August
August in Gustavia 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 Gustavia in August
Historically, the month has about 19 days of rain, averaging 97 mm (3.8 in) in total. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Gustavia in August
Daytime highs in Gustavia in August reach 30°C (86°F), with nights around 27°C (81°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights remain warm at around 27°C (81°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.
Sunshine in Gustavia in August
With approximately 267 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.Should you favor a climate that's both dry and comfortably warm, January, February, March, April, May, June, July and December typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Saint Barthélemy, check out our Gustavia's climate page.
Gustavia Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
63%
Precipitation
97 mm (3.8 in)
Rainy days
19 days
Humidity
77%
Sunshine
267 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Gustavia 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 Gustavia in August
Browse day-by-day weather records for Gustavia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gustavia historical weather extremes in August
The extremes listed below come from historical weather data collected in Gustavia from 1976 through 2025.
- The hottest August day on record in Gustavia reached 35°C (95°F) (August 13, 1991).
- The lowest daytime temperature in August was 27°C (81°F), recorded on August 30, 1979.
- Nighttime temperatures dropped to 21°C (70°F) on August 2, 2011, marking the coldest August night on record.
Best Places in Saint Barthélemy in August
Find out more about the weather in Saint Barthélemy and which places have the best travel conditions in this month. See all of Saint Barthélemy in August →
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What to Wear in Gustavia in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Gustavia 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 Saint Barthélemy, check out our Gustavia's climate page.
Temperature Rainfall Sunshine Humidity
See the full Gustavia climate overview or explore weather in Saint Barthélemy.
