Island Harbour Weather in August
Island Harbour in August sees high temperatures, with highs around 30°C (86°F) and overnight lows of 27°C (81°F). Rainfall is fairly high at around 96 mm (3.8 in) on average, so pack waterproofs just in case.
Rainfall in Island Harbour in August
Typically, about 19 days will experience rainfall, with an average of 96 mm (3.8 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Island Harbour in August
Expect highs of 30°C (86°F) in Island Harbour in August, with nights dropping to around 27°C (81°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Island Harbour in August
Expect a lot of sunshine this month, with about 285 hours of sun. These sunny conditions add to the overall experience.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, July and December typically offer the best weather for Island Harbour.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Anguilla, check out our Island Harbour's climate page.
Island Harbour Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
63%
Precipitation
96 mm (3.8 in)
Rainy days
19 days
Humidity
76% *
Sunshine
285 hours *
Percentage Sunshine
69% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Island Harbour 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 Island Harbour in August
Browse day-by-day weather records for Island Harbour spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Island Harbour historical weather extremes in August
Based on 46 years of weather observations (1979-2025), these are the most extreme conditions recorded in Island Harbour.
- Island Harbour recorded its highest August temperature of 36°C (97°F) on August 28, 1993.
- The coldest August day was on August 3, 2006, with a maximum of 27°C (81°F).
- Nighttime temperatures dropped to 23°C (73°F) on August 29, 1989, marking the coldest August night on record.
Best Places in Anguilla in August
Find out more about the weather in Anguilla and which places have the best travel conditions in this month. See all of Anguilla in August →
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What to Wear in Island Harbour in August
Warm but pleasant conditions in Island Harbour 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Island Harbour 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 Anguilla, check out our Island Harbour's climate page.
Temperature Rainfall Sunshine Humidity
See the full Island Harbour climate overview or explore weather in Anguilla.
