Colchester climate

Colchester Weather in August

NOAA 1991-2020 normals for La Harpe, 23 km from Colchester

Average highs run from 84°F on August 1 to 81°F on August 31, and lows from 64°F to 60°F. Normal precipitation for the month is 3.42 in over about 7 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 Colchester, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
63°F
Precipitation
3.42 in
Record high
102°FAug 27, 2003
Record low
46°FAug 13, 2004
Chance of a freeze
0%
Days of 90°F or more
6.3
Daylight
14 h 17 min to 13 h 06 min
Cloud cover
49%
Humidity
70%
Dew point
63°F
Wind
7.8 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 184°F64°F97°F 200657°F 200926%0%
Aug 284°F64°F96°F 200655°F 200925%0%
Aug 384°F64°F99°F 200655°F 200925%0%
Aug 484°F64°F98°F 201052°F 201725%0%
Aug 584°F64°F95°F 200552°F 201725%0%
Aug 684°F64°F95°F 200752°F 200425%0%
Aug 784°F64°F94°F 200652°F 200425%0%
Aug 884°F64°F98°F 201254°F 200425%0%
Aug 984°F64°F94°F 200555°F 202425%0%
Aug 1084°F64°F96°F 200552°F 202425%0%
Aug 1184°F64°F95°F 201050°F 200424%0%
Aug 1284°F64°F93°F 201050°F 200424%0%
Aug 1384°F63°F97°F 200746°F 200424%0%
Aug 1483°F63°F92°F 201046°F 200424%0%
Aug 1583°F63°F95°F 200749°F 201324%0%
Aug 1683°F63°F96°F 200751°F 200424%0%
Aug 1783°F63°F94°F 200351°F 200423%0%
Aug 1883°F63°F89°F 200352°F 201223%0%
Aug 1983°F63°F91°F 200552°F 201223%0%
Aug 2083°F62°F92°F 200754°F 201223%0%
Aug 2183°F62°F94°F 200354°F 201223%0%
Aug 2283°F62°F97°F 200352°F 202423%0%
Aug 2382°F62°F94°F 200752°F 202423%0%
Aug 2482°F62°F95°F 201250°F 201522%0%
Aug 2582°F61°F99°F 202349°F 201522%0%
Aug 2682°F61°F96°F 201449°F 201522%0%
Aug 2782°F61°F102°F 200352°F 201522%0%
Aug 2882°F61°F97°F 200352°F 201522%0%
Aug 2981°F60°F97°F 201348°F 200422%0%
Aug 3081°F60°F91°F 201048°F 200422%0%
Aug 3181°F60°F98°F 201347°F 200922%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Colchester, 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 6:01 AM, sunset 8:18 PM
August 31
sunrise 6:30 AM, sunset 7:36 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00114823 (La Harpe), public domain. Records: NOAA GHCN-Daily, station USC00116970, 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.