Nantucket Weather in August

During August, Nantucket experiences high daytime temperatures of 24°C (75°F) and cooler nights around 18°C (64°F). As the driest month of the year, and part of the summer season, rainfall is at its lowest.

Rainfall in Nantucket in August

This is the driest month of the year. The climate data from previous years indicates about 11 days of rain, averaging 73 mm (2.9 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Nantucket in August

Nantucket in August is worth a visit. The temperature is excellent, with 24°C (75°F) during the day and 18°C (64°F) at night. This month falls in the summer season. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Nantucket in August

There are approximately 278 hours of sunshine this month, resulting in mostly clear days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Nantucket.