Darien climate

Darien Weather in August

NOAA 1991-2020 normals for Delavan Wwtp, 5.4 km from Darien

Average highs run from 83°F on August 1 to 79°F on August 31, and lows from 61°F to 56°F. Normal precipitation for the month is 3.87 in.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Darien, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
81°F
Average low
59°F
Precipitation
3.87 in
Record high
102°FAug 1, 1988
Record low
43°FAug 16, 1992
Chance of a freeze
0%
Days of 90°F or more
2.5
Daylight
14 h 28 min to 13 h 12 min
Cloud cover
52%
Humidity
76%
Dew point
62°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 183°F61°F102°F 198850°F 19980%
Aug 283°F61°F98°F 198852°F 19980%
Aug 383°F61°F96°F 198853°F 20250%
Aug 483°F61°F98°F 198849°F 19930%
Aug 583°F61°F94°F 201246°F 19940%
Aug 683°F61°F93°F 198845°F 19920%
Aug 782°F61°F94°F 198847°F 19900%
Aug 882°F60°F95°F 200151°F 19900%
Aug 982°F60°F92°F 200149°F 19990%
Aug 1082°F60°F96°F 200551°F 20170%
Aug 1182°F60°F93°F 198852°F 19940%
Aug 1282°F60°F95°F 199552°F 20040%
Aug 1382°F60°F98°F 199545°F 20040%
Aug 1482°F60°F95°F 199547°F 20040%
Aug 1581°F59°F93°F 198846°F 19920%
Aug 1681°F59°F100°F 198843°F 19920%
Aug 1781°F59°F101°F 198845°F 19920%
Aug 1881°F59°F91°F 199047°F 19920%
Aug 1981°F59°F91°F 199548°F 19920%
Aug 2081°F58°F89°F 202148°F 19920%
Aug 2181°F58°F95°F 200345°F 20040%
Aug 2280°F58°F95°F 200346°F 20040%
Aug 2380°F58°F89°F 201449°F 19920%
Aug 2480°F58°F98°F 202344°F 20130%
Aug 2580°F57°F97°F 202346°F 20170%
Aug 2680°F57°F97°F 200347°F 20250%
Aug 2779°F57°F98°F 200346°F 19880%
Aug 2879°F57°F97°F 202447°F 19880%
Aug 2979°F56°F94°F 199148°F 19920%
Aug 3079°F56°F91°F 199148°F 20090%
Aug 3179°F56°F96°F 201343°F 20090%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Darien, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 5:47 AM, sunset 8:15 PM
August 31
sunrise 6:19 AM, sunset 7:31 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00472051 (Delavan Wwtp), public domain. Records: NOAA GHCN-Daily, station USC00470045, 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.