Thornton Weather in July
Average highs run from 93°F on July 1 to 96°F on July 31, and lows from 70°F to 72°F. Normal precipitation for the month is 1.84 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
- 95°F
- Average low
- 71°F
- Precipitation
- 1.84 in
- Record high
- 107°FJul 22, 1974
- Record low
- 56°FJul 15, 1967
- Chance of a freeze
- 0%
- Days of 90°F or more
- 26.9
- Daylight
- 14 h 10 min to 13 h 41 min
- Cloud cover
- 42%
- Humidity
- 64%
- Dew point
- 69°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.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jul 1 | 93°F | 70°F | 102°F 1980 | 67°F 1962 | 18% | 0% |
| Jul 2 | 93°F | 70°F | 103°F 1990 | 66°F 1966 | 18% | 0% |
| Jul 3 | 93°F | 71°F | 104°F 1990 | 67°F 1987 | 17% | 0% |
| Jul 4 | 93°F | 71°F | 103°F 1996 | 66°F 1968 | 17% | 0% |
| Jul 5 | 93°F | 71°F | 100°F 1964 | 60°F 1968 | 17% | 0% |
| Jul 6 | 93°F | 71°F | 103°F 1998 | 59°F 1970 | 17% | 0% |
| Jul 7 | 94°F | 71°F | 104°F 1996 | 60°F 1972 | 16% | 0% |
| Jul 8 | 94°F | 71°F | 103°F 1998 | 59°F 1983 | 16% | 0% |
| Jul 9 | 94°F | 71°F | 103°F 1978 | 63°F 1983 | 15% | 0% |
| Jul 10 | 94°F | 71°F | 102°F 1978 | 64°F 1983 | 15% | 0% |
| Jul 11 | 94°F | 71°F | 102°F 1984 | 67°F 1985 | 15% | 0% |
| Jul 12 | 94°F | 71°F | 104°F 1998 | 66°F 1985 | 14% | 0% |
| Jul 13 | 94°F | 71°F | 103°F 1998 | 64°F 1975 | 14% | 0% |
| Jul 14 | 94°F | 71°F | 104°F 1974 | 58°F 1990 | 14% | 0% |
| Jul 15 | 94°F | 71°F | 105°F 1978 | 56°F 1967 | 14% | 0% |
| Jul 16 | 95°F | 71°F | 106°F 1984 | 56°F 1967 | 13% | 0% |
| Jul 17 | 95°F | 72°F | 105°F 1980 | 66°F 1991 | 13% | 0% |
| Jul 18 | 95°F | 72°F | 105°F 1980 | 67°F 1967 | 13% | 0% |
| Jul 19 | 95°F | 72°F | 103°F 2006 | 64°F 2004 | 12% | 0% |
| Jul 20 | 95°F | 72°F | 103°F 1974 | 65°F 1989 | 12% | 0% |
| Jul 21 | 95°F | 72°F | 105°F 1974 | 61°F 1989 | 12% | 0% |
| Jul 22 | 95°F | 72°F | 107°F 1974 | 60°F 1970 | 12% | 0% |
| Jul 23 | 95°F | 72°F | 106°F 1974 | 60°F 1970 | 11% | 0% |
| Jul 24 | 95°F | 72°F | 103°F 1963 | 62°F 2007 | 11% | 0% |
| Jul 25 | 96°F | 72°F | 106°F 1964 | 63°F 2000 | 11% | 0% |
| Jul 26 | 96°F | 72°F | 105°F 1964 | 67°F 2004 | 11% | 0% |
| Jul 27 | 96°F | 72°F | 102°F 1986 | 64°F 2004 | 11% | 0% |
| Jul 28 | 96°F | 72°F | 103°F 1986 | 56°F 1994 | 11% | 0% |
| Jul 29 | 96°F | 72°F | 106°F 1974 | 57°F 1994 | 10% | 0% |
| Jul 30 | 96°F | 72°F | 106°F 1986 | 59°F 1984 | 10% | 0% |
| Jul 31 | 96°F | 72°F | 106°F 1986 | 60°F 2005 | 10% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- July 1
- sunrise 6:25 AM, sunset 8:35 PM
- July 31
- sunrise 6:42 AM, sunset 8:23 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00415611 (Marlin), public domain. Records: NOAA GHCN-Daily, station USC00413047, 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.