Nantucket Weather in May

Nantucket in May sees moderate daytime temperatures of 16°C (61°F) and nighttime lows of 9°C (48°F). Rainfall is fairly high this month at around 87 mm (3.4 in), so pack a rain jacket to stay dry.

Rainfall in Nantucket in May

Looking at the last 30 years, the data shows about 11 days with rain, averaging 87 mm (3.4 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Nantucket in May

In May, Nantucket sees moderate temperatures, with highs of 16°C (61°F). Nights drop to around 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Nantucket in May

Expect a lot of sunshine this month, with about 261 hours of sun. These sunny conditions add to the overall experience.

For Nantucket itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.