Sun, sea & sand

Nantucket weather in April

Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.

23

Holiday weather in April

Poor

Best time to visit: July – August

What is the weather like in Nantucket in April?

In April, Nantucket is cold: daytime highs average 8 °C, and nights cool down to about 6 °C. The sea averages 6.7 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 103 mm in total. It is often windy, with gusts of around 37 km/h. All in all, April is not an ideal month for a holiday in Nantucket.

April compared

How the weather changes from March to May. Tap a month to open it.

MarchMarAprilAprMayMay
Score202326
Day5°8°12°
Night2°6°10°
Sea4°7°10°
Sun6 h7 h7 h
Rain days111110

More details for April

Daylight
13 h 17 min06:02 – 19:19
UV index
7 · highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
37 km/haverage daily peakAll months
Cloud cover
59 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC−4America/New_York

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %65 %
  • Few rainy daysweight 20 %50 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in April

  • Sunscreen
  • Sunglasses & sun hat
  • Warm jacket
  • Rain jacket or umbrella
  • Windproof jacket

Nantucket in April: quick answers

Is Nantucket hot in April?

No. In April, Nantucket is cold: daytime highs average 8 °C and nights drop to about 6 °C.

Can you swim in Nantucket in April?

Only if you don't mind cold water: in April the sea averages just 6.7 °C. Comfortable swimming is possible in August.

Does it rain much in Nantucket in April?

Rain is frequent, with about 11 rainy days and 103 mm in total.

Nantucket month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences