Dukes County climate

Dukes County Weather in July

NOAA 1991-2020 normals for Vineyard Haven AP, 7 km from Dukes County

Average highs run from 77°F on July 1 to 80°F on July 31, and lows from 59°F to 62°F. Normal precipitation for the month is 2.80 in over about 11 wet days.

July day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Dukes County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
79°F
Average low
61°F
Precipitation
2.80 in
Record high
95°FJul 6, 2010
Record low
40°FJul 9, 2018
Chance of a freeze
0%
Days of 90°F or more
1.2
Daylight
15 h 07 min to 14 h 24 min
Cloud cover
56%
Humidity
82%
Dew point
64°F
Wind
11.6 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jul 177°F59°F91°F 201847°F 200736%0%
Jul 277°F59°F86°F 202643°F 200736%0%
Jul 377°F59°F91°F 202644°F 200136%0%
Jul 478°F59°F91°F 202647°F 200536%0%
Jul 578°F60°F91°F 201047°F 201536%0%
Jul 678°F60°F95°F 201046°F 200035%0%
Jul 778°F60°F90°F 201044°F 199835%0%
Jul 878°F60°F89°F 201242°F 201835%0%
Jul 979°F61°F85°F 201040°F 201835%0%
Jul 1079°F61°F87°F 201944°F 200935%0%
Jul 1179°F61°F86°F 201042°F 200935%0%
Jul 1279°F61°F86°F 201141°F 200236%0%
Jul 1379°F61°F88°F 202246°F 200136%0%
Jul 1479°F61°F90°F 201243°F 199936%0%
Jul 1579°F62°F90°F 201346°F 200936%0%
Jul 1680°F62°F90°F 201347°F 201536%0%
Jul 1780°F62°F90°F 201045°F 201536%0%
Jul 1880°F62°F92°F 201251°F 201836%0%
Jul 1980°F62°F88°F 201350°F 200036%0%
Jul 2080°F62°F92°F 201942°F 201836%0%
Jul 2180°F62°F92°F 201941°F 200136%0%
Jul 2280°F62°F91°F 201144°F 201236%0%
Jul 2380°F62°F92°F 202248°F 202537%0%
Jul 2480°F62°F89°F 201047°F 202637%0%
Jul 2580°F62°F89°F 201050°F 200237%0%
Jul 2680°F62°F88°F 202049°F 199837%0%
Jul 2780°F62°F93°F 202044°F 200137%0%
Jul 2880°F62°F91°F 202044°F 200137%0%
Jul 2980°F62°F91°F 202546°F 200137%0%
Jul 3080°F62°F92°F 200243°F 200137%0%
Jul 3180°F62°F91°F 200247°F 200338%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Dukes County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

July 1
sunrise 5:13 AM, sunset 8:20 PM
July 31
sunrise 5:37 AM, sunset 8:01 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094724 (Vineyard Haven AP), public domain. Records: NOAA GHCN-Daily, station USW00094724, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.