Summit County climate

Summit County Weather in July

NOAA 1991-2020 normals for Dillon 1 E, 7 km from Summit County

Average highs run from 74°F on July 1 to 75°F on July 31, and lows from 36°F to 39°F. Normal precipitation for the month is 1.87 in over about 12 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 Summit County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
75°F
Average low
38°F
Precipitation
1.87 in
Record high
85°FJul 7, 1981
Record low
19°FJul 7, 1995
Chance of a freeze
69%
Daylight
14 h 55 min to 14 h 15 min
Cloud cover
59%
Humidity
56%
Dew point
36°F
Wind
4.0 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 174°F36°F74°F 199830°F 199231%
Jul 274°F36°F74°F 200726°F 199532%
Jul 374°F36°F79°F 200326°F 199532%
Jul 474°F37°F78°F 201225°F 199333%
Jul 574°F37°F76°F 199223°F 199333%
Jul 675°F37°F77°F 196627°F 198233%
Jul 775°F37°F85°F 198119°F 199534%
Jul 875°F37°F76°F 198927°F 199434%
Jul 975°F37°F78°F 196627°F 200335%
Jul 1075°F38°F75°F 198925°F 189535%
Jul 1175°F38°F73°F 198025°F 189536%
Jul 1275°F38°F78°F 202025°F 189536%
Jul 1375°F38°F77°F 200220°F 197537%
Jul 1475°F38°F77°F 202620°F 189537%
Jul 1575°F38°F77°F 200429°F 199438%
Jul 1676°F39°F77°F 200224°F 199438%
Jul 1776°F39°F79°F 200222°F 197639%0%
Jul 1876°F39°F76°F 200328°F 197639%0%
Jul 1976°F39°F78°F 199832°F 199239%0%
Jul 2076°F39°F76°F 201931°F 199540%0%
Jul 2176°F39°F78°F 201231°F 199440%0%
Jul 2275°F39°F79°F 200529°F 196141%0%
Jul 2375°F39°F79°F 200528°F 189541%0%
Jul 2475°F39°F76°F 198230°F 199541%0%
Jul 2575°F39°F78°F 198029°F 197542%0%
Jul 2675°F39°F74°F 196632°F 197342%0%
Jul 2775°F39°F74°F 197829°F 199342%0%
Jul 2875°F39°F79°F 197828°F 199342%0%
Jul 2975°F39°F74°F 199528°F 199343%0%
Jul 3075°F39°F74°F 198026°F 197143%0%
Jul 3175°F39°F74°F 200226°F 199343%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Summit County, 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 (MDT).

July 1
sunrise 5:41 AM, sunset 8:36 PM
July 31
sunrise 6:03 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 USC00052281 (Dillon 1 E), public domain. Records: NOAA GHCN-Daily, station USC00051660, 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.