World Resorts USA Nantucket Weather

Nantucket weather in July

Weather in Nantucket: July

Average day temperature: 70.4°F
Average night temperature: 69.3°F
Sea water temperature: 70.4°F
Number of sunny days: 13 days
Day length: 14.4 - 15.1 hours
Number of rainy days: 3 days
Precipitation totals: 1.2 in.

Air temperature in July, °F

Show year:
2023
2022
2021

The highest day temperature during July of 2023 was 75°F. At the same time the lowest night temperature was 66°F. Day and night temperature averages during July were 71.1°F and 70.4°F.

Sea water temperature in Nantucket in July, °F

Show year:
2023
2022
2021

The average sea water temperature in July of 2023 was 69.9°F. The highest and lowest sea temperatures during the month were 74.7°F and 66.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in July are sunny but cloudy days are also possible.

Precipitation total in July, in.

Precipitation total value in Nantucket in July is 1.2 in. Other months of the year show relatively similar values.

Wind speed in July, mph

The average wind speed value in July is 12.6 mph It makes July lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 8.8.

Best time for vacation in Nantucket

Sunniest months:
September 14 days
July 13 days
June 13 days
Warmest months:
August 71.3 °F
July 70.4 °F
September 67.3 °F
Warmest sea temp:
August 72.9 °F
July 70.4 °F
September 69.3 °F
Coldest months:
February 37.1 °F
January 37.7 °F
March 40.3 °F
Rainiest months:
October 5 days
January 4 days
March 3 days
Windiest months:
March 18.9 mph
December 18.7 mph
January 18.6 mph

Nantucket on a weather map

Nantucket
+48°F
W 8 mph
Feels like: +43°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+70°F
+75°F
+75°F
+81°F
+68°F
+79°F
+59°F
+77°F
+63°F
+61°F
+77°F
+77°F
+77°F
+59°F
24 Hours Forecast
Nantucket
Local time: 20:47
May 01, wednesday
2100
48°F
W
8 mph
May 02, thursday
0000
48°F
W
9 mph
0300
48°F
N
6 mph
0600
48°F
N
9 mph
0900
48°F
N
16 mph
1200
50°F
N
14 mph
1500
50°F
NE
13 mph
1800
52°F
NE
10 mph
Units of measurement: °C / °F