Nantucket Weather in March

March in Nantucket sees daytime temperatures around 7°C (45°F) and lows of 0°C (32°F) at night. With around 95 mm (3.7 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Nantucket in March

Historically, March sees about 12 days of rain, with a monthly average of 95 mm (3.7 in). 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 March

Nantucket in March gets highs of 7°C (45°F) during the day and drops to 0°C (32°F) at night. March is part of the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With overnight lows of 0°C (32°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Nantucket in March

The month enjoys around 211 hours of sunshine, creating mostly sunny days despite the cool temperatures.

If you're looking for dry conditions and comfortable temperatures, March may not be the ideal month to visit Nantucket. Our weather planner can help you explore destinations with more pleasant weather conditions.