Addison climate

Addison Weather in July

NOAA 1991-2020 normals for Cornwall, 16.4 km from Addison

Average highs run from 79°F on July 1 to 80°F on July 31, and lows from 58°F to 59°F. Normal precipitation for the month is 4.09 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 Addison, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
80°F
Average low
60°F
Precipitation
4.09 in
Record high
100°FJul 14, 1995
Record low
31°FJul 2, 1992
Chance of a freeze
0%
Days of 90°F or more
3.0
Daylight
15 h 26 min to 14 h 38 min
Cloud cover
61%
Humidity
82%
Dew point
60°F
Wind
3.8 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 179°F58°F92°F 200243°F 199241%0%
Jul 280°F59°F91°F 200231°F 199240%0%
Jul 380°F59°F96°F 200239°F 199240%0%
Jul 480°F59°F95°F 200242°F 199540%0%
Jul 580°F59°F94°F 201044°F 201440%0%
Jul 680°F59°F96°F 201043°F 200040%0%
Jul 780°F59°F96°F 201042°F 200440%0%
Jul 880°F60°F98°F 201042°F 200040%0%
Jul 981°F60°F95°F 201046°F 201240%0%
Jul 1081°F60°F93°F 199343°F 201240%0%
Jul 1181°F60°F92°F 201138°F 200240%0%
Jul 1281°F60°F93°F 201241°F 200239%0%
Jul 1381°F60°F96°F 199549°F 200039%0%
Jul 1481°F60°F100°F 199542°F 200739%0%
Jul 1581°F60°F99°F 199550°F 201139%0%
Jul 1681°F60°F92°F 200544°F 199339%0%
Jul 1781°F60°F95°F 199943°F 199339%0%
Jul 1881°F60°F94°F 199943°F 199339%0%
Jul 1981°F60°F92°F 201346°F 200039%0%
Jul 2081°F60°F95°F 201342°F 200039%0%
Jul 2181°F60°F96°F 201145°F 199939%0%
Jul 2281°F60°F98°F 201141°F 199239%0%
Jul 2381°F60°F93°F 200144°F 199739%0%
Jul 2481°F60°F92°F 200142°F 200239%0%
Jul 2581°F60°F90°F 201040°F 201338%0%
Jul 2680°F60°F89°F 199540°F 201338%0%
Jul 2780°F60°F91°F 200738°F 200138%0%
Jul 2880°F60°F90°F 199539°F 200138%0%
Jul 2980°F60°F90°F 199547°F 199638%0%
Jul 3080°F59°F89°F 199542°F 201438%0%
Jul 3180°F59°F94°F 199942°F 201038%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Addison, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

July 1
sunrise 5:14 AM, sunset 8:40 PM
July 31
sunrise 5:40 AM, sunset 8:18 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00431580 (Cornwall), public domain. Records: NOAA GHCN-Daily, station USC00437098, 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.