Princeton climate

Princeton Weather in July

NOAA 1991-2020 normals for Smithfield, 17.5 km from Princeton

Average highs run from 91°F on July 1 to 91°F on July 31, and lows from 70°F to 71°F. Normal precipitation for the month is 5.54 in over about 12 wet days.

July day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Princeton, in °F, with the record for each date.5060708090100110151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
92°F
Average low
71°F
Precipitation
5.54 in
Record high
100°FJul 5, 2024
Record low
58°FJul 1, 2025
Chance of a freeze
0%
Days of 90°F or more
18.5
Daylight
14 h 31 min to 13 h 57 min
Cloud cover
56%
Humidity
72%
Dew point
70°F
Wind
7.4 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jul 191°F70°F99°F 201258°F 202536%0%
Jul 292°F70°F97°F 201261°F 202536%0%
Jul 392°F70°F98°F 201861°F 202436%0%
Jul 492°F70°F97°F 201962°F 202436%0%
Jul 592°F70°F100°F 202463°F 201436%0%
Jul 692°F71°F99°F 202462°F 201436%0%
Jul 792°F71°F97°F 202262°F 201436%0%
Jul 892°F71°F97°F 201266°F 201836%0%
Jul 992°F71°F99°F 201261°F 201837%0%
Jul 1092°F71°F98°F 202462°F 202537%0%
Jul 1192°F71°F95°F 202661°F 202537%0%
Jul 1292°F71°F95°F 201163°F 202537%0%
Jul 1392°F71°F97°F 201164°F 202237%0%
Jul 1492°F71°F95°F 201166°F 201837%0%
Jul 1592°F71°F94°F 201762°F 201137%0%
Jul 1692°F71°F96°F 202462°F 201137%0%
Jul 1792°F71°F94°F 201963°F 201437%0%
Jul 1892°F71°F96°F 202564°F 201137%0%
Jul 1992°F71°F95°F 202566°F 201437%0%
Jul 2092°F71°F96°F 202061°F 202537%0%
Jul 2192°F71°F98°F 201168°F 202538%0%
Jul 2292°F71°F96°F 201168°F 201838%0%
Jul 2392°F71°F97°F 201168°F 201838%0%
Jul 2492°F71°F96°F 201165°F 201938%0%
Jul 2592°F71°F96°F 201164°F 201538%0%
Jul 2691°F71°F99°F 202564°F 201538%0%
Jul 2791°F71°F97°F 202565°F 201938%0%
Jul 2891°F71°F95°F 201263°F 202538%0%
Jul 2991°F71°F98°F 202264°F 202138%0%
Jul 3091°F71°F99°F 201164°F 201438%0%
Jul 3191°F71°F98°F 201158°F 201738%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Princeton, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

July 1
sunrise 6:01 AM, sunset 8:32 PM
July 31
sunrise 6:20 AM, sunset 8:17 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00317994 (Smithfield), public domain. Records: NOAA GHCN-Daily, station USC00313503, 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.