Jamesburg Weather in July
Average highs run from 86°F on July 1 to 86°F on July 31, and lows from 65°F to 66°F. Normal precipitation for the month is 4.83 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
- 87°F
- Average low
- 66°F
- Precipitation
- 4.83 in
- Record high
- 106°FJul 9, 1936
- Record low
- 45°FJul 12, 1984
- Chance of a freeze
- 0%
- Days of 90°F or more
- 9.7
- Daylight
- 15 h 00 min to 14 h 19 min
- Cloud cover
- 57%
- Humidity
- 72%
- Dew point
- 65°F
- Wind
- 5.4 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 | 65°F | 100°F 2021 | 48°F 1988 | 35% | 0% |
| Jul 2 | 86°F | 65°F | 98°F 1941 | 46°F 1982 | 35% | 0% |
| Jul 3 | 86°F | 65°F | 99°F 1966 | 48°F 1929 | 35% | 0% |
| Jul 4 | 86°F | 65°F | 104°F 2026 | 50°F 1986 | 35% | 0% |
| Jul 5 | 86°F | 65°F | 101°F 2026 | 48°F 1979 | 34% | 0% |
| Jul 6 | 86°F | 65°F | 101°F 1999 | 46°F 1979 | 34% | 0% |
| Jul 7 | 87°F | 65°F | 99°F 1999 | 49°F 1984 | 34% | 0% |
| Jul 8 | 87°F | 66°F | 99°F 2012 | 52°F 1979 | 34% | 0% |
| Jul 9 | 87°F | 66°F | 106°F 1936 | 50°F 1984 | 34% | 0% |
| Jul 10 | 87°F | 66°F | 104°F 1936 | 48°F 1984 | 34% | 0% |
| Jul 11 | 87°F | 66°F | 99°F 1993 | 46°F 1984 | 34% | 0% |
| Jul 12 | 87°F | 66°F | 96°F 1988 | 45°F 1984 | 34% | 0% |
| Jul 13 | 87°F | 66°F | 95°F 1913 | 51°F 1980 | 34% | 0% |
| Jul 14 | 87°F | 66°F | 100°F 1954 | 54°F 1940 | 34% | 0% |
| Jul 15 | 87°F | 66°F | 95°F 1995 | 54°F 1940 | 34% | 0% |
| Jul 16 | 87°F | 66°F | 101°F 1995 | 51°F 1929 | 34% | 0% |
| Jul 17 | 87°F | 66°F | 97°F 1955 | 52°F 1929 | 34% | 0% |
| Jul 18 | 87°F | 66°F | 99°F 2006 | 54°F 1925 | 34% | 0% |
| Jul 19 | 87°F | 66°F | 99°F 2012 | 54°F 1924 | 34% | 0% |
| Jul 20 | 87°F | 66°F | 97°F 2013 | 52°F 1912 | 35% | 0% |
| Jul 21 | 87°F | 66°F | 102°F 1930 | 52°F 1984 | 35% | 0% |
| Jul 22 | 87°F | 66°F | 102°F 1957 | 53°F 1944 | 35% | 0% |
| Jul 23 | 87°F | 66°F | 99°F 1955 | 51°F 1977 | 35% | 0% |
| Jul 24 | 87°F | 66°F | 98°F 1991 | 52°F 1912 | 35% | 0% |
| Jul 25 | 87°F | 66°F | 100°F 2022 | 52°F 1912 | 35% | 0% |
| Jul 26 | 86°F | 66°F | 98°F 1940 | 51°F 1976 | 35% | 0% |
| Jul 27 | 86°F | 66°F | 95°F 1963 | 50°F 1977 | 35% | 0% |
| Jul 28 | 86°F | 66°F | 97°F 1921 | 48°F 1977 | 35% | 0% |
| Jul 29 | 86°F | 66°F | 97°F 1999 | 54°F 1980 | 35% | 0% |
| Jul 30 | 86°F | 66°F | 98°F 1917 | 53°F 1981 | 35% | 0% |
| Jul 31 | 86°F | 66°F | 99°F 1917 | 50°F 1984 | 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 5:32 AM, sunset 8:32 PM
- July 31
- sunrise 5:54 AM, sunset 8:13 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00286055 (New Brunswick 3 Se), public domain. Records: NOAA GHCN-Daily, station USC00284987, 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.