Harbour Island Weather in August
August in Harbour 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 Harbour Island in August
Typically around 22 days of rainfall are expected, averaging 124 mm (4.9 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Harbour Island in August
August in Harbour Island brings high temperatures, with highs of 30°C (86°F) and nights around 27°C (81°F). This kind of day-to-night contrast is typical for this time of year. 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. This is typically the warmest month of the year, so light summer clothing is a good idea.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, November and December typically offer the best weather for Harbour Island.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the Bahamas, check out our Harbour Island's climate page.
Harbour Island Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
73%
Precipitation
124 mm (4.9 in)
Rainy days
22 days
Daily Historical Temperatures
30-year average (1987-2025)
Based on our historical records, temperatures in Harbour Island typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in August
Historical weather for Harbour Island in August
Browse day-by-day weather records for Harbour Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Harbour Island historical weather extremes in August
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Harbour Island.
- The warmest day in August was on August 31, 2020, with a maximum of 36°C (97°F).
- On August 1, 2013, Harbour Island saw its coldest August day with temperatures maxing out at 27°C (81°F).
- The coldest night in August in Harbour Island was on August 1, 2022, with a minimum of 11°C (52°F).
Best Places in the Bahamas in August
Find out more about the weather in the Bahamas and which places have the best travel conditions in this month. See all of the Bahamas in August →
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What to Wear in Harbour Island in August
Warm but pleasant conditions in Harbour Island 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.What To Do in Harbour 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 the Bahamas, check out our Harbour Island's climate page.
See the full Harbour Island climate overview or explore weather in the Bahamas.
