Gretna Weather in July
Average highs run from 86°F on July 1 to 86°F on July 31, and lows from 63°F to 65°F. Normal precipitation for the month is 4.22 in over about 11 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
- 86°F
- Average low
- 65°F
- Precipitation
- 4.22 in
- Record high
- 103°FJul 9, 2012
- Record low
- 45°FJul 12, 2002
- Chance of a freeze
- 0%
- Days of 90°F or more
- 9.3
- Daylight
- 14 h 39 min to 14 h 03 min
- Cloud cover
- 60%
- Humidity
- 69%
- Dew point
- 65°F
- Wind
- 3.1 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 | 86°F | 63°F | 102°F 2012 | 56°F 1980 | 36% | 0% |
| Jul 2 | 86°F | 64°F | 101°F 2012 | 50°F 1975 | 36% | 0% |
| Jul 3 | 86°F | 64°F | 96°F 2012 | 50°F 1975 | 36% | 0% |
| Jul 4 | 86°F | 64°F | 98°F 1997 | 53°F 2021 | 36% | 0% |
| Jul 5 | 86°F | 64°F | 100°F 2026 | 53°F 1979 | 36% | 0% |
| Jul 6 | 86°F | 64°F | 100°F 2012 | 51°F 1979 | 36% | 0% |
| Jul 7 | 86°F | 64°F | 101°F 1977 | 48°F 2001 | 36% | 0% |
| Jul 8 | 86°F | 64°F | 100°F 1977 | 51°F 2002 | 36% | 0% |
| Jul 9 | 87°F | 65°F | 103°F 2012 | 52°F 2018 | 36% | 0% |
| Jul 10 | 87°F | 65°F | 98°F 1977 | 52°F 2018 | 35% | 0% |
| Jul 11 | 87°F | 65°F | 95°F 1981 | 56°F 1997 | 35% | 0% |
| Jul 12 | 87°F | 65°F | 97°F 1984 | 45°F 2002 | 35% | 0% |
| Jul 13 | 87°F | 65°F | 95°F 1977 | 50°F 2002 | 35% | 0% |
| Jul 14 | 87°F | 65°F | 97°F 1977 | 49°F 2001 | 35% | 0% |
| Jul 15 | 87°F | 65°F | 97°F 1997 | 50°F 2001 | 35% | 0% |
| Jul 16 | 87°F | 65°F | 99°F 1976 | 51°F 2001 | 35% | 0% |
| Jul 17 | 87°F | 65°F | 103°F 1980 | 53°F 2004 | 35% | 0% |
| Jul 18 | 87°F | 65°F | 101°F 1977 | 55°F 2004 | 35% | 0% |
| Jul 19 | 86°F | 65°F | 103°F 1977 | 57°F 1985 | 35% | 0% |
| Jul 20 | 86°F | 65°F | 100°F 1986 | 56°F 2001 | 35% | 0% |
| Jul 21 | 86°F | 65°F | 102°F 1977 | 49°F 2001 | 35% | 0% |
| Jul 22 | 86°F | 65°F | 103°F 1977 | 49°F 2001 | 35% | 0% |
| Jul 23 | 86°F | 65°F | 101°F 1998 | 54°F 1974 | 36% | 0% |
| Jul 24 | 86°F | 65°F | 98°F 1998 | 55°F 1977 | 36% | 0% |
| Jul 25 | 86°F | 65°F | 98°F 1976 | 53°F 2003 | 36% | 0% |
| Jul 26 | 86°F | 65°F | 96°F 2016 | 53°F 2003 | 35% | 0% |
| Jul 27 | 86°F | 65°F | 98°F 2012 | 56°F 1977 | 35% | 0% |
| Jul 28 | 86°F | 65°F | 98°F 2012 | 52°F 1977 | 35% | 0% |
| Jul 29 | 86°F | 65°F | 98°F 1997 | 52°F 1977 | 35% | 0% |
| Jul 30 | 86°F | 65°F | 98°F 2011 | 53°F 2017 | 35% | 0% |
| Jul 31 | 86°F | 65°F | 98°F 1976 | 48°F 1997 | 35% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- July 1
- sunrise 6:02 AM, sunset 8:41 PM
- July 31
- sunrise 6:22 AM, sunset 8:25 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00441614 (Chatham), public domain. Records: NOAA GHCN-Daily, station USC00441082, 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.