Princeton Weather in July
Average highs run from 76°F on July 1 to 79°F on July 31, and lows from 56°F to 58°F. Normal precipitation for the month is 3.29 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
- 78°F
- Average low
- 58°F
- Precipitation
- 3.29 in
- Record high
- 98°FJul 7, 1952
- Record low
- 38°FJul 2, 1965
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.3
- Daylight
- 15 h 35 min to 14 h 45 min
- Cloud cover
- 64%
- Humidity
- 84%
- Dew point
- 60°F
- Wind
- 4.9 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 | 76°F | 56°F | 92°F 2026 | 45°F 1952 | 37% | 0% |
| Jul 2 | 77°F | 56°F | 94°F 2014 | 38°F 1965 | 37% | 0% |
| Jul 3 | 77°F | 57°F | 95°F 2002 | 46°F 1946 | 37% | 0% |
| Jul 4 | 77°F | 57°F | 94°F 2018 | 45°F 1945 | 36% | 0% |
| Jul 5 | 77°F | 57°F | 95°F 2018 | 40°F 1946 | 36% | 0% |
| Jul 6 | 77°F | 57°F | 92°F 2023 | 47°F 1969 | 36% | 0% |
| Jul 7 | 77°F | 57°F | 98°F 1952 | 41°F 1965 | 36% | 0% |
| Jul 8 | 78°F | 57°F | 90°F 2008 | 44°F 1949 | 36% | 0% |
| Jul 9 | 78°F | 57°F | 91°F 2008 | 45°F 2007 | 36% | 0% |
| Jul 10 | 78°F | 58°F | 90°F 2020 | 43°F 1954 | 36% | 0% |
| Jul 11 | 78°F | 58°F | 89°F 2011 | 45°F 1953 | 36% | 0% |
| Jul 12 | 78°F | 58°F | 91°F 1952 | 47°F 1945 | 35% | 0% |
| Jul 13 | 78°F | 58°F | 91°F 2012 | 45°F 1971 | 35% | 0% |
| Jul 14 | 78°F | 58°F | 97°F 1952 | 46°F 2017 | 35% | 0% |
| Jul 15 | 78°F | 58°F | 97°F 1952 | 44°F 1946 | 35% | 0% |
| Jul 16 | 79°F | 58°F | 95°F 1969 | 41°F 1946 | 35% | 0% |
| Jul 17 | 79°F | 58°F | 96°F 1953 | 46°F 1946 | 35% | 0% |
| Jul 18 | 79°F | 58°F | 97°F 1953 | 45°F 1951 | 35% | 0% |
| Jul 19 | 79°F | 58°F | 93°F 1946 | 46°F 2002 | 35% | 0% |
| Jul 20 | 79°F | 58°F | 93°F 2019 | 44°F 2000 | 34% | 0% |
| Jul 21 | 79°F | 58°F | 89°F 2022 | 45°F 1965 | 34% | 0% |
| Jul 22 | 79°F | 58°F | 92°F 2011 | 47°F 1949 | 34% | 0% |
| Jul 23 | 79°F | 58°F | 98°F 1952 | 45°F 2017 | 34% | 0% |
| Jul 24 | 79°F | 58°F | 94°F 1970 | 47°F 2017 | 34% | 0% |
| Jul 25 | 79°F | 58°F | 95°F 1963 | 44°F 2002 | 33% | 0% |
| Jul 26 | 79°F | 58°F | 95°F 1963 | 45°F 1946 | 33% | 0% |
| Jul 27 | 79°F | 58°F | 94°F 1949 | 41°F 1946 | 33% | 0% |
| Jul 28 | 79°F | 58°F | 95°F 1963 | 44°F 1945 | 33% | 0% |
| Jul 29 | 79°F | 58°F | 93°F 1949 | 45°F 1953 | 32% | 0% |
| Jul 30 | 79°F | 58°F | 93°F 1949 | 39°F 1952 | 32% | 0% |
| Jul 31 | 79°F | 58°F | 88°F 1945 | 44°F 1968 | 32% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- July 1
- sunrise 4:47 AM, sunset 8:22 PM
- July 31
- sunrise 5:14 AM, sunset 7:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00173261 (Grand Lake Stream), public domain. Records: NOAA GHCN-Daily, station USW00014610, 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.