Sioux County climate

Sioux County Weather in August

NOAA 1991-2020 normals for Mc Intosh 6 Se, 35.6 km from Sioux County

Average highs run from 88°F on August 1 to 82°F on August 31, and lows from 59°F to 53°F. Normal precipitation for the month is 1.93 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 Sioux County, 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
57°F
Precipitation
1.93 in
Record high
105°FAug 23, 2003
Record low
37°FAug 31, 1994
Chance of a freeze
0%
Days of 90°F or more
9.4
Daylight
14 h 48 min to 13 h 20 min
Cloud cover
48%
Humidity
56%
Dew point
53°F
Wind
10.3 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 188°F59°F94°F 200745°F 200225%0%
Aug 287°F59°F95°F 199745°F 200925%0%
Aug 387°F59°F96°F 202646°F 199225%0%
Aug 487°F59°F97°F 200141°F 200925%0%
Aug 587°F59°F94°F 200644°F 200925%0%
Aug 687°F59°F93°F 200147°F 199224%0%
Aug 787°F59°F100°F 200147°F 202624%0%
Aug 887°F59°F97°F 200141°F 202424%0%
Aug 987°F59°F95°F 199240°F 200424%0%
Aug 1087°F58°F95°F 200639°F 200423%0%
Aug 1186°F58°F96°F 200041°F 199723%0%
Aug 1286°F58°F93°F 201844°F 199223%0%
Aug 1386°F58°F97°F 201844°F 199223%0%
Aug 1486°F58°F96°F 200344°F 199422%0%
Aug 1586°F58°F100°F 200345°F 199422%0%
Aug 1685°F57°F97°F 202144°F 200222%0%
Aug 1785°F57°F102°F 200343°F 200221%0%
Aug 1885°F57°F100°F 202140°F 200421%0%
Aug 1985°F57°F98°F 202140°F 200421%0%
Aug 2085°F57°F94°F 200341°F 200421%0%
Aug 2184°F56°F99°F 201344°F 200120%0%
Aug 2284°F56°F91°F 199546°F 201720%0%
Aug 2384°F56°F105°F 200342°F 200820%0%
Aug 2484°F55°F96°F 199742°F 200720%0%
Aug 2583°F55°F95°F 199740°F 202520%0%
Aug 2683°F55°F94°F 201340°F 202520%0%
Aug 2783°F55°F96°F 199942°F 201419%0%
Aug 2882°F54°F97°F 201044°F 199219%0%
Aug 2982°F54°F92°F 199645°F 200319%0%
Aug 3082°F54°F98°F 201241°F 201419%0%
Aug 3182°F53°F94°F 201537°F 199419%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sioux County, 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 6:26 AM, sunset 9:14 PM
August 31
sunrise 7:04 AM, sunset 8:24 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00395381 (Mc Intosh 6 Se), public domain. Records: NOAA GHCN-Daily, station USC00324083, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.