Nantucket
Weather by month
Current –

Nantucket Weather in July

Nantucket in July averages 24°C (75°F) during the day and 18°C (64°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.

Rainfall in Nantucket in July

You can expect rain on around 11 days based on historical patterns, with 86 mm (3.4 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Nantucket in July

If you're visiting Nantucket in July, expect excellent temperatures with highs of 24°C (75°F) and overnight lows of 18°C (64°F). During July, the summer season is in full swing. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, it has the peak temperatures of the year.

Sunshine in Nantucket in July

There are approximately 301 hours of sunshine this month, resulting in mostly clear days.

If you're a fan of comfortable temperatures and drier conditions, July is a great time to visit.

Nantucket Temperature in July

Min Temperature
18°C (64°F)
Max Temperature
24°C (75°F)
Chance of Rain
37%
Precipitation
86 mm (3.4 in)
Rainy days
11 days
Sunshine
301 hours
Percentage Sunshine

Nantucket Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Nantucket - and find the best time to visit.

Best Places in the United States of America in July

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in July →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Nantucket in July

For Nantucket in July, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Nantucket in July

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    9/10
  • Cycling
    9/10
  • Walking
    9/10
  • Barbeque
    8/10
  • Camping
    8/10
  • Outdoor sports
    9/10

Nantucket 3-Day Forecast

More climate data for Nantucket

Popular in July

Where to go in July - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.