Keystone Weather in July
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 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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jul 1 | 74°F | 36°F | 74°F 1998 | 30°F 1992 | 31% | |
| Jul 2 | 74°F | 36°F | 74°F 2007 | 26°F 1995 | 32% | |
| Jul 3 | 74°F | 36°F | 79°F 2003 | 26°F 1995 | 32% | |
| Jul 4 | 74°F | 37°F | 78°F 2012 | 25°F 1993 | 33% | |
| Jul 5 | 74°F | 37°F | 76°F 1992 | 23°F 1993 | 33% | |
| Jul 6 | 75°F | 37°F | 77°F 1966 | 27°F 1982 | 33% | |
| Jul 7 | 75°F | 37°F | 85°F 1981 | 19°F 1995 | 34% | |
| Jul 8 | 75°F | 37°F | 76°F 1989 | 27°F 1994 | 34% | |
| Jul 9 | 75°F | 37°F | 78°F 1966 | 27°F 2003 | 35% | |
| Jul 10 | 75°F | 38°F | 75°F 1989 | 25°F 1895 | 35% | |
| Jul 11 | 75°F | 38°F | 73°F 1980 | 25°F 1895 | 36% | |
| Jul 12 | 75°F | 38°F | 78°F 2020 | 25°F 1895 | 36% | |
| Jul 13 | 75°F | 38°F | 77°F 2002 | 20°F 1975 | 37% | |
| Jul 14 | 75°F | 38°F | 77°F 2026 | 20°F 1895 | 37% | |
| Jul 15 | 75°F | 38°F | 77°F 2004 | 29°F 1994 | 38% | |
| Jul 16 | 76°F | 39°F | 77°F 2002 | 24°F 1994 | 38% | |
| Jul 17 | 76°F | 39°F | 79°F 2002 | 22°F 1976 | 39% | 0% |
| Jul 18 | 76°F | 39°F | 76°F 2003 | 28°F 1976 | 39% | 0% |
| Jul 19 | 76°F | 39°F | 78°F 1998 | 32°F 1992 | 39% | 0% |
| Jul 20 | 76°F | 39°F | 76°F 2019 | 31°F 1995 | 40% | 0% |
| Jul 21 | 76°F | 39°F | 78°F 2012 | 31°F 1994 | 40% | 0% |
| Jul 22 | 75°F | 39°F | 79°F 2005 | 29°F 1961 | 41% | 0% |
| Jul 23 | 75°F | 39°F | 79°F 2005 | 28°F 1895 | 41% | 0% |
| Jul 24 | 75°F | 39°F | 76°F 1982 | 30°F 1995 | 41% | 0% |
| Jul 25 | 75°F | 39°F | 78°F 1980 | 29°F 1975 | 42% | 0% |
| Jul 26 | 75°F | 39°F | 74°F 1966 | 32°F 1973 | 42% | 0% |
| Jul 27 | 75°F | 39°F | 74°F 1978 | 29°F 1993 | 42% | 0% |
| Jul 28 | 75°F | 39°F | 79°F 1978 | 28°F 1993 | 42% | 0% |
| Jul 29 | 75°F | 39°F | 74°F 1995 | 28°F 1993 | 43% | 0% |
| Jul 30 | 75°F | 39°F | 74°F 1980 | 26°F 1971 | 43% | 0% |
| Jul 31 | 75°F | 39°F | 74°F 2002 | 26°F 1993 | 43% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- July 1
- sunrise 5:40 AM, sunset 8:35 PM
- July 31
- sunrise 6:03 AM, sunset 8:18 PM
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.