Princeton climate

Princeton Weather in August

NOAA 1991-2020 normals for Santiago 3 E, 13.9 km from Princeton

Average highs run from 81°F on August 1 to 77°F on August 31, and lows from 59°F to 54°F. Normal precipitation for the month is 4.06 in over about 9 wet days.

August 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.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
79°F
Average low
57°F
Precipitation
4.06 in
Record high
101°FAug 4, 1989
Record low
34°FAug 19, 1967
Chance of a freeze
0%
Days of 90°F or more
1.6
Daylight
14 h 44 min to 13 h 19 min
Cloud cover
53%
Humidity
69%
Dew point
58°F
Wind
8.7 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
Aug 181°F59°F99°F 196445°F 197628%0%
Aug 281°F58°F97°F 198240°F 197128%0%
Aug 381°F58°F96°F 196438°F 197128%0%
Aug 481°F58°F101°F 198938°F 199228%0%
Aug 581°F58°F98°F 200137°F 199428%0%
Aug 680°F58°F100°F 200141°F 197728%0%
Aug 780°F58°F99°F 198337°F 198928%0%
Aug 880°F58°F99°F 200142°F 196428%0%
Aug 980°F58°F94°F 199244°F 197228%0%
Aug 1080°F58°F95°F 200740°F 198228%0%
Aug 1180°F57°F93°F 197638°F 198228%0%
Aug 1280°F57°F96°F 196538°F 198228%0%
Aug 1380°F57°F94°F 196540°F 196428%0%
Aug 1480°F57°F95°F 197036°F 196428%0%
Aug 1579°F57°F96°F 198839°F 197928%0%
Aug 1679°F57°F100°F 198838°F 199228%0%
Aug 1779°F57°F97°F 198840°F 198128%0%
Aug 1879°F57°F98°F 197636°F 197728%0%
Aug 1979°F56°F98°F 197634°F 196728%0%
Aug 2079°F56°F93°F 197240°F 201228%0%
Aug 2179°F56°F94°F 197634°F 200428%0%
Aug 2278°F56°F96°F 197140°F 196728%0%
Aug 2378°F56°F96°F 202338°F 198727%0%
Aug 2478°F56°F91°F 197638°F 198727%0%
Aug 2578°F55°F95°F 201343°F 197927%0%
Aug 2678°F55°F94°F 201340°F 198827%0%
Aug 2778°F55°F95°F 197335°F 198227%0%
Aug 2877°F55°F94°F 198436°F 198627%0%
Aug 2977°F55°F95°F 201335°F 198827%0%
Aug 3077°F54°F91°F 196139°F 200927%0%
Aug 3177°F54°F92°F 196135°F 196727%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.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 5:58 AM, sunset 8:42 PM
August 31
sunrise 6:35 AM, sunset 7:54 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00217502 (Santiago 3 E), public domain. Records: NOAA GHCN-Daily, station USC00217502, 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.