World Resorts USA Nantucket Weather

Nantucket weather in July

Weather in Nantucket: July

Average day temperature: 70.7°F
Average night temperature: 69.7°F
Sea water temperature: 70.4°F
Number of sunny days: 12 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:
2024
2023
2022

The highest day temperature during July of 2024 was 76°F. At the same time the lowest night temperature was 67°F. Day and night temperature averages during July were 71.8°F and 71.6°F.

Sea water temperature in Nantucket in July, °F

Show year:
2024
2023
2022

The average sea water temperature in July of 2024 was 70.6°F. The highest and lowest sea temperatures during the month were 74.7°F and 65.1°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in July is almost equal.

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 12.9 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: 8.6.

Best time for vacation in Nantucket

Sunniest months:
June 14 days
September 13 days
July 12 days
Warmest months:
August 71.3 °F
July 70.7 °F
September 66.9 °F
Warmest sea temp:
August 72.4 °F
July 70.4 °F
September 68.7 °F
Coldest months:
February 37.1 °F
January 37.7 °F
March 40.3 °F
Rainiest months:
January 4 days
October 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
+54°F
N 15 mph
Feels like: +50°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+59°F
+77°F
+77°F
+54°F
+66°F
+79°F
+73°F
+57°F
+64°F
+57°F
+73°F
+73°F
+77°F
+64°F
24 Hours Forecast
Nantucket
Local time: 00:34
November 05, tuesday
0300
55°F
N
17 mph
0600
57°F
NE
14 mph
0900
59°F
NE
19 mph
1200
59°F
NE
18 mph
1500
59°F
NE
18 mph
1800
59°F
NE
21 mph
2100
59°F
NE
24 mph
November 06, wednesday
0000
59°F
NE
26 mph
Units of measurement: °C / °F