Jefferson County Weather in July
Average highs run from 92°F on July 1 to 94°F on July 31, and lows from 74°F to 75°F. Normal precipitation for the month is 6.85 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
- 93°F
- Average low
- 75°F
- Precipitation
- 6.85 in
- Record high
- 103°FJul 4, 1970
- Record low
- 61°FJul 14, 1990
- Chance of a freeze
- 0%
- Days of 90°F or more
- 25.4
- Daylight
- 14 h 01 min to 13 h 35 min
- Cloud cover
- 52%
- Humidity
- 77%
- Dew point
- 75°F
- Wind
- 6.7 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jul 1 | 92°F | 74°F | 99°F 1954 | 67°F 1985 | 38% |
| Jul 2 | 92°F | 74°F | 100°F 2011 | 68°F 1948 | 38% |
| Jul 3 | 92°F | 75°F | 100°F 1969 | 69°F 1952 | 38% |
| Jul 4 | 92°F | 75°F | 103°F 1970 | 69°F 1948 | 38% |
| Jul 5 | 92°F | 75°F | 98°F 2023 | 63°F 1968 | 38% |
| Jul 6 | 92°F | 75°F | 97°F 1967 | 66°F 1968 | 38% |
| Jul 7 | 92°F | 75°F | 98°F 1969 | 66°F 1972 | 38% |
| Jul 8 | 92°F | 75°F | 100°F 1969 | 70°F 1950 | 38% |
| Jul 9 | 92°F | 75°F | 100°F 1969 | 67°F 1950 | 38% |
| Jul 10 | 92°F | 75°F | 100°F 2023 | 69°F 1974 | 38% |
| Jul 11 | 92°F | 75°F | 100°F 2023 | 69°F 1950 | 38% |
| Jul 12 | 92°F | 75°F | 98°F 2022 | 67°F 1953 | 38% |
| Jul 13 | 92°F | 75°F | 99°F 2011 | 66°F 1990 | 38% |
| Jul 14 | 92°F | 75°F | 99°F 1969 | 61°F 1990 | 38% |
| Jul 15 | 93°F | 75°F | 101°F 2000 | 61°F 1967 | 38% |
| Jul 16 | 93°F | 75°F | 101°F 1980 | 62°F 1967 | 38% |
| Jul 17 | 93°F | 75°F | 103°F 1980 | 64°F 1967 | 38% |
| Jul 18 | 93°F | 75°F | 98°F 1951 | 69°F 1974 | 38% |
| Jul 19 | 93°F | 75°F | 99°F 1951 | 69°F 1974 | 38% |
| Jul 20 | 93°F | 75°F | 100°F 2000 | 70°F 1967 | 38% |
| Jul 21 | 93°F | 75°F | 100°F 2023 | 69°F 1989 | 38% |
| Jul 22 | 93°F | 75°F | 100°F 2023 | 68°F 1970 | 38% |
| Jul 23 | 93°F | 75°F | 100°F 1963 | 67°F 1989 | 37% |
| Jul 24 | 93°F | 75°F | 98°F 1954 | 69°F 1951 | 37% |
| Jul 25 | 93°F | 75°F | 98°F 1962 | 68°F 2019 | 37% |
| Jul 26 | 93°F | 75°F | 99°F 2018 | 69°F 2000 | 37% |
| Jul 27 | 93°F | 75°F | 98°F 2023 | 70°F 1952 | 37% |
| Jul 28 | 93°F | 75°F | 98°F 1962 | 69°F 1952 | 37% |
| Jul 29 | 93°F | 75°F | 100°F 2015 | 68°F 1994 | 37% |
| Jul 30 | 93°F | 75°F | 102°F 2015 | 68°F 1994 | 37% |
| Jul 31 | 94°F | 75°F | 101°F 2023 | 67°F 1971 | 37% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CDT).
- July 1
- sunrise 6:20 AM, sunset 8:21 PM
- July 31
- sunrise 6:35 AM, sunset 8:10 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00012917 (Port Arthur Se Tx AP), public domain. Records: NOAA GHCN-Daily, station USW00012917, 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.