Grand Junction climate

Grand Junction Weather in July

NOAA 1991-2020 normals for Jefferson, 13 km from Grand Junction

Average highs run from 83°F on July 1 to 83°F on July 31, and lows from 62°F to 63°F. Normal precipitation for the month is 4.38 in over about 10 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 Grand Junction, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
83°F
Average low
63°F
Precipitation
4.38 in
Record high
110°FJul 24, 1901
Record low
42°FJul 5, 1972
Chance of a freeze
0%
Days of 90°F or more
7.6
Daylight
15 h 11 min to 14 h 28 min
Cloud cover
50%
Humidity
72%
Dew point
64°F
Wind
8.3 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 183°F62°F105°F 192547°F 191835%0%
Jul 283°F62°F104°F 191144°F 193234%0%
Jul 383°F62°F104°F 191145°F 194034%0%
Jul 483°F62°F108°F 193645°F 194034%0%
Jul 584°F63°F109°F 191142°F 197234%0%
Jul 684°F63°F103°F 194846°F 196734%0%
Jul 784°F63°F101°F 201244°F 193433%0%
Jul 884°F63°F98°F 193648°F 193133%0%
Jul 984°F63°F103°F 190150°F 190533%0%
Jul 1084°F63°F104°F 190146°F 194533%0%
Jul 1184°F63°F105°F 190149°F 192633%0%
Jul 1284°F63°F105°F 190148°F 197532%0%
Jul 1384°F63°F106°F 193645°F 194032%0%
Jul 1484°F63°F108°F 193646°F 192632%0%
Jul 1584°F63°F106°F 193646°F 193032%0%
Jul 1684°F63°F103°F 190148°F 193332%0%
Jul 1784°F63°F105°F 193645°F 191132%0%
Jul 1884°F63°F105°F 190152°F 190631%0%
Jul 1984°F63°F107°F 193449°F 190831%0%
Jul 2084°F63°F107°F 190151°F 192931%0%
Jul 2184°F63°F109°F 190148°F 194431%0%
Jul 2283°F63°F108°F 190145°F 194731%0%
Jul 2383°F63°F103°F 190146°F 192531%0%
Jul 2483°F63°F110°F 190149°F 193131%0%
Jul 2583°F63°F109°F 193649°F 200431%0%
Jul 2683°F63°F109°F 193648°F 191131%0%
Jul 2783°F63°F106°F 193048°F 196231%0%
Jul 2883°F63°F103°F 193143°F 192531%0%
Jul 2983°F63°F105°F 191347°F 195231%0%
Jul 3083°F63°F103°F 195543°F 197131%0%
Jul 3183°F63°F102°F 195544°F 197131%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Grand Junction, 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 (CDT).

July 1
sunrise 5:45 AM, sunset 8:56 PM
July 31
sunrise 6:09 AM, sunset 8:37 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00134228 (Jefferson), public domain. Records: NOAA GHCN-Daily, station USC00136566, 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.