Clinton climate

Clinton Weather in August

NOAA 1991-2020 normals for Rockville, 18.5 km from Clinton

Average highs run from 85°F on August 1 to 83°F on August 31, and lows from 61°F to 58°F. Normal precipitation for the month is 3.84 in over about 8 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 Clinton, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
85°F
Average low
60°F
Precipitation
3.84 in
Record high
107°FAug 3, 1897
Record low
39°FAug 31, 1915
Chance of a freeze
0%
Days of 90°F or more
7.2
Daylight
14 h 13 min to 13 h 05 min
Cloud cover
48%
Humidity
73%
Dew point
64°F
Wind
7.2 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 185°F61°F104°F 189751°F 194726%0%
Aug 285°F61°F104°F 189747°F 192026%0%
Aug 385°F61°F107°F 189747°F 192026%0%
Aug 485°F61°F103°F 193043°F 189426%0%
Aug 585°F61°F102°F 191844°F 191226%0%
Aug 685°F61°F107°F 191848°F 194826%0%
Aug 785°F61°F103°F 191849°F 199026%0%
Aug 885°F61°F101°F 193050°F 190425%0%
Aug 985°F61°F102°F 189646°F 192225%0%
Aug 1085°F61°F102°F 189448°F 192225%0%
Aug 1185°F61°F100°F 191147°F 192225%0%
Aug 1285°F61°F100°F 189647°F 200425%0%
Aug 1385°F61°F103°F 191848°F 196425%0%
Aug 1485°F60°F100°F 194047°F 192425%0%
Aug 1585°F60°F100°F 193647°F 199225%0%
Aug 1685°F60°F100°F 198847°F 192924%0%
Aug 1785°F60°F101°F 198852°F 192924%0%
Aug 1885°F60°F106°F 193646°F 196324%0%
Aug 1985°F60°F102°F 193647°F 194324%0%
Aug 2085°F60°F103°F 193645°F 192924%0%
Aug 2184°F60°F105°F 193643°F 195024%0%
Aug 2284°F60°F104°F 193646°F 192323%0%
Aug 2384°F59°F101°F 193644°F 192323%0%
Aug 2484°F59°F103°F 194744°F 195123%0%
Aug 2584°F59°F101°F 193645°F 192723%0%
Aug 2684°F59°F101°F 193644°F 191723%0%
Aug 2784°F59°F100°F 194846°F 191023%0%
Aug 2884°F58°F101°F 193643°F 198622%0%
Aug 2984°F58°F102°F 191340°F 189322%0%
Aug 3083°F58°F97°F 193244°F 193422%0%
Aug 3183°F58°F100°F 194339°F 191522%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Clinton, 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 (EDT).

August 1
sunrise 6:49 AM, sunset 9:02 PM
August 31
sunrise 7:17 AM, sunset 8:22 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00127522 (Rockville), public domain. Records: NOAA GHCN-Daily, station USC00116610, 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.