Jefferson County Weather in July
Average highs run from 89°F on July 1 to 90°F on July 31, and lows from 67°F to 68°F. Normal precipitation for the month is 4.53 in over about 8 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
- 90°F
- Average low
- 68°F
- Precipitation
- 4.53 in
- Record high
- 110°FJul 14, 1980
- Record low
- 43°FJul 5, 1972
- Chance of a freeze
- 0%
- Days of 90°F or more
- 13.9
- Daylight
- 14 h 53 min to 14 h 13 min
- Cloud cover
- 48%
- Humidity
- 70%
- Dew point
- 67°F
- Wind
- 8.7 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 | 89°F | 67°F | 104°F 1980 | 52°F 1968 | 27% | 0% |
| Jul 2 | 89°F | 67°F | 100°F 1954 | 51°F 1959 | 27% | 0% |
| Jul 3 | 89°F | 67°F | 103°F 1954 | 49°F 1968 | 27% | 0% |
| Jul 4 | 89°F | 68°F | 103°F 2012 | 49°F 1972 | 27% | 0% |
| Jul 5 | 89°F | 68°F | 102°F 1954 | 43°F 1972 | 27% | 0% |
| Jul 6 | 89°F | 68°F | 105°F 2012 | 50°F 1972 | 26% | 0% |
| Jul 7 | 89°F | 68°F | 108°F 2012 | 55°F 1967 | 26% | 0% |
| Jul 8 | 89°F | 68°F | 99°F 1980 | 54°F 1952 | 26% | 0% |
| Jul 9 | 90°F | 68°F | 105°F 2013 | 52°F 1952 | 26% | 0% |
| Jul 10 | 90°F | 68°F | 106°F 1980 | 53°F 1961 | 26% | 0% |
| Jul 11 | 90°F | 68°F | 107°F 1980 | 56°F 1975 | 26% | 0% |
| Jul 12 | 90°F | 68°F | 109°F 1954 | 51°F 1975 | 26% | 0% |
| Jul 13 | 90°F | 68°F | 109°F 1954 | 46°F 1975 | 26% | 0% |
| Jul 14 | 90°F | 68°F | 110°F 1980 | 51°F 1975 | 25% | 0% |
| Jul 15 | 90°F | 68°F | 108°F 1980 | 52°F 1967 | 25% | 0% |
| Jul 16 | 90°F | 68°F | 101°F 2011 | 50°F 2014 | 25% | 0% |
| Jul 17 | 90°F | 68°F | 107°F 1954 | 57°F 1967 | 25% | 0% |
| Jul 18 | 90°F | 69°F | 108°F 1954 | 56°F 2009 | 25% | 0% |
| Jul 19 | 90°F | 69°F | 107°F 1954 | 57°F 1947 | 25% | 0% |
| Jul 20 | 90°F | 69°F | 105°F 1954 | 52°F 1971 | 25% | 0% |
| Jul 21 | 90°F | 69°F | 105°F 1974 | 47°F 1970 | 25% | 0% |
| Jul 22 | 91°F | 69°F | 106°F 2011 | 51°F 1970 | 25% | 0% |
| Jul 23 | 91°F | 68°F | 106°F 2011 | 54°F 1970 | 25% | 0% |
| Jul 24 | 91°F | 68°F | 104°F 2012 | 52°F 1978 | 25% | 0% |
| Jul 25 | 91°F | 68°F | 107°F 2012 | 53°F 1975 | 25% | 0% |
| Jul 26 | 91°F | 68°F | 103°F 1952 | 53°F 1962 | 25% | 0% |
| Jul 27 | 91°F | 68°F | 106°F 1952 | 54°F 1971 | 25% | 0% |
| Jul 28 | 91°F | 68°F | 106°F 1980 | 52°F 2005 | 25% | 0% |
| Jul 29 | 91°F | 68°F | 107°F 1947 | 55°F 1994 | 25% | 0% |
| Jul 30 | 91°F | 68°F | 110°F 1947 | 50°F 1971 | 25% | 0% |
| Jul 31 | 90°F | 68°F | 104°F 1955 | 52°F 1971 | 25% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- July 1
- sunrise 5:59 AM, sunset 8:52 PM
- July 31
- sunrise 6:21 AM, sunset 8:34 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00146100 (Oskaloosa 4 Ne), public domain. Records: NOAA GHCN-Daily, station USW00013996, 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.