Jamestown climate

Jamestown Weather in August

NOAA 1991-2020 normals for Jamestown 2 Nw, 3 km from Jamestown

Average highs run from 81°F on August 1 to 78°F on August 31, and lows from 59°F to 55°F. Normal precipitation for the month is 3.77 in over about 11 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 Jamestown, in °F, with the record for each date.405060708090100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
80°F
Average low
57°F
Precipitation
3.77 in
Record high
91°FAug 1, 2002
Record low
43°FAug 21, 2000
Chance of a freeze
0%
Days of 90°F or more
1.0
Daylight
14 h 22 min to 13 h 09 min
Cloud cover
59%
Humidity
70%
Dew point
59°F
Wind
3.8 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°F91°F 200251°F 199839%0%
Aug 281°F59°F90°F 200748°F 202539%0%
Aug 381°F58°F89°F 200750°F 202139%0%
Aug 480°F58°F89°F 200552°F 202639%0%
Aug 580°F58°F86°F 200150°F 201339%0%
Aug 680°F58°F88°F 199850°F 199739%0%
Aug 780°F58°F90°F 199849°F 199739%0%
Aug 880°F58°F91°F 200149°F 200238%0%
Aug 980°F58°F90°F 200150°F 200238%0%
Aug 1080°F58°F88°F 200553°F 200838%0%
Aug 1180°F58°F89°F 200251°F 200838%0%
Aug 1280°F58°F90°F 202546°F 200638%0%
Aug 1380°F58°F90°F 200250°F 200638%0%
Aug 1480°F58°F91°F 200250°F 201438%0%
Aug 1580°F57°F85°F 202547°F 201437%0%
Aug 1680°F57°F88°F 202550°F 201437%0%
Aug 1780°F57°F88°F 201551°F 200037%0%
Aug 1880°F57°F86°F 201950°F 200737%0%
Aug 1980°F57°F87°F 201547°F 199837%0%
Aug 2080°F57°F85°F 201945°F 199837%0%
Aug 2180°F57°F85°F 200343°F 200036%0%
Aug 2279°F57°F88°F 200245°F 200436%0%
Aug 2379°F56°F84°F 202150°F 202436%0%
Aug 2479°F56°F89°F 200749°F 200336%0%
Aug 2579°F56°F87°F 202151°F 200936%0%
Aug 2679°F56°F84°F 202146°F 201735%0%
Aug 2779°F56°F88°F 202048°F 201035%0%
Aug 2879°F56°F88°F 201848°F 201535%0%
Aug 2979°F55°F87°F 201849°F 201435%0%
Aug 3078°F55°F88°F 201048°F 199935%0%
Aug 3178°F55°F88°F 201247°F 200935%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jamestown, 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).

August 1
sunrise 6:17 AM, sunset 8:39 PM
August 31
sunrise 6:47 AM, sunset 7:56 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00364325 (Jamestown 2 Nw), public domain. Records: NOAA GHCN-Daily, station USW00004843, 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.