Jefferson County Weather in July
Average highs run from 85°F on July 1 to 90°F on July 31, and lows from 47°F to 50°F. Normal precipitation for the month is 0.52 in over about 4 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
- 89°F
- Average low
- 49°F
- Precipitation
- 0.52 in
- Record high
- 103°FJul 12, 2026
- Record low
- 33°FJul 6, 1986
- Chance of a freeze
- 1%
- Days of 90°F or more
- 14.5
- Daylight
- 15 h 24 min to 14 h 37 min
- Cloud cover
- 41%
- Humidity
- 42%
- Dew point
- 42°F
- Wind
- 7.4 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 | 85°F | 47°F | 97°F 2025 | 37°F 1968 | 14% | 0% |
| Jul 2 | 85°F | 47°F | 96°F 1985 | 37°F 1973 | 14% | 0% |
| Jul 3 | 85°F | 47°F | 96°F 2001 | 39°F 2005 | 13% | 0% |
| Jul 4 | 86°F | 47°F | 97°F 2014 | 36°F 2018 | 13% | 0% |
| Jul 5 | 86°F | 47°F | 99°F 2017 | 34°F 1999 | 13% | 0% |
| Jul 6 | 87°F | 48°F | 97°F 1966 | 33°F 1986 | 13% | 0% |
| Jul 7 | 87°F | 48°F | 99°F 2021 | 38°F 1988 | 13% | 0% |
| Jul 8 | 87°F | 48°F | 97°F 2017 | 35°F 1981 | 12% | 0% |
| Jul 9 | 88°F | 48°F | 97°F 1956 | 38°F 2009 | 12% | 0% |
| Jul 10 | 88°F | 49°F | 99°F 2024 | 39°F 1999 | 12% | 0% |
| Jul 11 | 88°F | 49°F | 98°F 2024 | 40°F 1993 | 12% | 0% |
| Jul 12 | 88°F | 49°F | 103°F 2026 | 39°F 2016 | 12% | 0% |
| Jul 13 | 89°F | 49°F | 101°F 2002 | 38°F 1993 | 12% | 0% |
| Jul 14 | 89°F | 49°F | 98°F 1974 | 36°F 2010 | 12% | 0% |
| Jul 15 | 89°F | 50°F | 99°F 1951 | 39°F 2010 | 12% | 0% |
| Jul 16 | 89°F | 50°F | 98°F 2023 | 36°F 1999 | 12% | 0% |
| Jul 17 | 90°F | 50°F | 100°F 1998 | 39°F 1993 | 12% | 0% |
| Jul 18 | 90°F | 50°F | 99°F 2021 | 38°F 1993 | 12% | 0% |
| Jul 19 | 90°F | 50°F | 99°F 1960 | 38°F 1987 | 12% | 0% |
| Jul 20 | 90°F | 50°F | 101°F 1960 | 42°F 1952 | 12% | 0% |
| Jul 21 | 90°F | 50°F | 99°F 1960 | 37°F 1949 | 12% | 0% |
| Jul 22 | 90°F | 50°F | 99°F 2000 | 38°F 1954 | 12% | 0% |
| Jul 23 | 90°F | 50°F | 101°F 2023 | 40°F 1954 | 12% | 0% |
| Jul 24 | 91°F | 51°F | 101°F 2024 | 41°F 2016 | 12% | 0% |
| Jul 25 | 91°F | 51°F | 99°F 2026 | 41°F 2000 | 12% | 0% |
| Jul 26 | 91°F | 51°F | 99°F 2026 | 40°F 1999 | 12% | 0% |
| Jul 27 | 91°F | 51°F | 97°F 1975 | 39°F 2005 | 13% | 0% |
| Jul 28 | 91°F | 51°F | 98°F 2006 | 36°F 2015 | 13% | 0% |
| Jul 29 | 91°F | 51°F | 97°F 2023 | 38°F 2015 | 13% | 0% |
| Jul 30 | 91°F | 50°F | 100°F 1966 | 41°F 1950 | 13% | 0% |
| Jul 31 | 90°F | 50°F | 100°F 1989 | 41°F 1950 | 13% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- July 1
- sunrise 5:51 AM, sunset 9:15 PM
- July 31
- sunrise 6:17 AM, sunset 8:54 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00103964 (Hamer 4 Nw), public domain. Records: NOAA GHCN-Daily, station USW00024145, 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.