Greenville climate

Greenville Weather in August

NOAA 1991-2020 normals for Greenville Maine Forestry Svc, 0.4 km from Greenville

Average highs run from 76°F on August 1 to 72°F on August 31, and lows from 57°F to 53°F. Normal precipitation for the month is 3.96 in over about 13 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 Greenville, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
74°F
Average low
56°F
Precipitation
3.96 in
Record high
92°FAug 12, 2025
Record low
39°FAug 25, 2001
Chance of a freeze
0%
Daylight
14 h 44 min to 13 h 19 min
Cloud cover
59%
Humidity
83%
Dew point
58°F
Wind
4.0 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 176°F57°F85°F 200447°F 199845%0%
Aug 276°F57°F90°F 200149°F 199845%0%
Aug 376°F57°F86°F 200748°F 199945%0%
Aug 476°F57°F85°F 202249°F 199845%0%
Aug 576°F57°F86°F 201650°F 202545%0%
Aug 675°F57°F91°F 200149°F 200044%0%
Aug 775°F57°F88°F 202243°F 201044%0%
Aug 875°F57°F87°F 199848°F 201044%0%
Aug 975°F57°F89°F 200148°F 201644%0%
Aug 1075°F57°F87°F 202548°F 199944%0%
Aug 1175°F56°F91°F 202547°F 199943%0%
Aug 1275°F56°F92°F 202547°F 200643%0%
Aug 1375°F56°F91°F 202547°F 200643%0%
Aug 1475°F56°F87°F 200243°F 199842%0%
Aug 1575°F56°F91°F 200245°F 200142%0%
Aug 1674°F56°F89°F 200249°F 200142%0%
Aug 1774°F56°F86°F 200949°F 202541%0%
Aug 1874°F55°F88°F 200946°F 202541%0%
Aug 1974°F55°F84°F 201545°F 200741%0%
Aug 2074°F55°F84°F 202142°F 200740%0%
Aug 2174°F55°F84°F 201345°F 200740%0%
Aug 2273°F55°F83°F 200346°F 199839%0%
Aug 2373°F55°F85°F 200841°F 199839%0%
Aug 2473°F54°F84°F 202144°F 200338%0%
Aug 2573°F54°F87°F 202139°F 200138%0%
Aug 2673°F54°F90°F 202146°F 200138%0%
Aug 2773°F54°F82°F 199946°F 200937%0%
Aug 2872°F54°F86°F 200445°F 200937%0%
Aug 2972°F53°F85°F 201042°F 200037%0%
Aug 3072°F53°F86°F 202241°F 200136%0%
Aug 3172°F53°F88°F 201041°F 200236%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Greenville, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 5:22 AM, sunset 8:06 PM
August 31
sunrise 5:59 AM, sunset 7:18 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094626 (Greenville Maine Forestry Svc), public domain. Records: NOAA GHCN-Daily, station USW00094626, 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.