Jefferson Weather in July
Average highs run from 88°F on July 1 to 88°F on July 31, and lows from 67°F to 68°F. Normal precipitation for the month is 3.90 in over about 9 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
- 68°F
- Precipitation
- 3.90 in
- Record high
- 109°FJul 10, 1936
- Record low
- 42°FJul 1, 1943
- Chance of a freeze
- 0%
- Days of 90°F or more
- 13.7
- Daylight
- 14 h 54 min to 14 h 14 min
- Cloud cover
- 56%
- Humidity
- 67%
- Dew point
- 63°F
- Wind
- 5.6 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 | 88°F | 67°F | 102°F 1931 | 42°F 1943 | 32% | 0% |
| Jul 2 | 88°F | 67°F | 103°F 1898 | 47°F 1943 | 31% | 0% |
| Jul 3 | 89°F | 68°F | 104°F 1898 | 49°F 1904 | 31% | 0% |
| Jul 4 | 89°F | 68°F | 102°F 1919 | 46°F 1933 | 31% | 0% |
| Jul 5 | 89°F | 68°F | 102°F 1919 | 50°F 1938 | 31% | 0% |
| Jul 6 | 89°F | 68°F | 100°F 1949 | 50°F 1940 | 31% | 0% |
| Jul 7 | 89°F | 68°F | 101°F 1988 | 52°F 1940 | 31% | 0% |
| Jul 8 | 89°F | 68°F | 101°F 1988 | 51°F 1909 | 30% | 0% |
| Jul 9 | 89°F | 68°F | 105°F 1936 | 50°F 1894 | 30% | 0% |
| Jul 10 | 89°F | 69°F | 109°F 1936 | 50°F 1948 | 30% | 0% |
| Jul 11 | 89°F | 69°F | 103°F 1936 | 50°F 1961 | 30% | 0% |
| Jul 12 | 89°F | 69°F | 100°F 1908 | 46°F 1945 | 29% | 0% |
| Jul 13 | 89°F | 69°F | 99°F 1954 | 52°F 2001 | 29% | 0% |
| Jul 14 | 89°F | 69°F | 100°F 1927 | 49°F 1940 | 29% | 0% |
| Jul 15 | 89°F | 69°F | 106°F 1997 | 51°F 1930 | 29% | 0% |
| Jul 16 | 89°F | 69°F | 104°F 1988 | 48°F 1930 | 29% | 0% |
| Jul 17 | 89°F | 69°F | 104°F 1988 | 48°F 1946 | 29% | 0% |
| Jul 18 | 89°F | 69°F | 101°F 1997 | 50°F 1946 | 29% | 0% |
| Jul 19 | 89°F | 69°F | 104°F 1930 | 49°F 1957 | 29% | 0% |
| Jul 20 | 89°F | 69°F | 106°F 1930 | 48°F 1929 | 29% | 0% |
| Jul 21 | 89°F | 69°F | 108°F 1930 | 51°F 1929 | 29% | 0% |
| Jul 22 | 89°F | 69°F | 108°F 1930 | 49°F 1944 | 30% | 0% |
| Jul 23 | 89°F | 69°F | 105°F 1957 | 54°F 1902 | 30% | 0% |
| Jul 24 | 89°F | 69°F | 102°F 1991 | 48°F 1947 | 30% | 0% |
| Jul 25 | 89°F | 69°F | 106°F 1930 | 51°F 1947 | 30% | 0% |
| Jul 26 | 88°F | 69°F | 108°F 1930 | 50°F 1920 | 30% | 0% |
| Jul 27 | 88°F | 69°F | 104°F 1930 | 48°F 1946 | 30% | 0% |
| Jul 28 | 88°F | 68°F | 103°F 1930 | 49°F 1946 | 30% | 0% |
| Jul 29 | 88°F | 68°F | 106°F 1930 | 53°F 1914 | 30% | 0% |
| Jul 30 | 88°F | 68°F | 105°F 1930 | 50°F 1914 | 29% | 0% |
| Jul 31 | 88°F | 68°F | 102°F 1954 | 50°F 1895 | 29% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- July 1
- sunrise 5:47 AM, sunset 8:41 PM
- July 31
- sunrise 6:09 AM, sunset 8:23 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00183348 (Frederick Police Brks), public domain. Records: NOAA GHCN-Daily, station USC00183348, 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.