Garrison climate

Garrison Weather in August

NOAA 1991-2020 normals for Garrison, 0.3 km from Garrison

Average highs run from 83°F on August 1 to 78°F on August 31, and lows from 59°F to 52°F. Normal precipitation for the month is 2.11 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 Garrison, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
81°F
Average low
56°F
Precipitation
2.11 in
Record high
105°FAug 17, 2003
Record low
34°FAug 20, 2004
Chance of a freeze
0%
Days of 90°F or more
5.1
Daylight
14 h 57 min to 13 h 25 min
Cloud cover
50%
Humidity
57%
Dew point
52°F
Wind
10.1 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°F59°F97°F 202645°F 200926%0%
Aug 283°F59°F95°F 202640°F 200225%0%
Aug 383°F59°F98°F 200144°F 200925%0%
Aug 483°F58°F101°F 200141°F 200925%0%
Aug 583°F58°F93°F 200143°F 201225%0%
Aug 683°F58°F93°F 202645°F 200625%0%
Aug 783°F58°F100°F 200244°F 202425%0%
Aug 883°F58°F99°F 202141°F 202425%0%
Aug 983°F58°F92°F 200741°F 202424%0%
Aug 1083°F58°F96°F 199844°F 200124%0%
Aug 1183°F57°F101°F 200045°F 202424%0%
Aug 1282°F57°F104°F 201840°F 200424%0%
Aug 1382°F57°F98°F 200341°F 200424%0%
Aug 1482°F57°F100°F 200344°F 200424%0%
Aug 1582°F56°F102°F 202146°F 200523%0%
Aug 1682°F56°F104°F 202145°F 200223%0%
Aug 1781°F56°F105°F 200343°F 200223%0%
Aug 1881°F56°F96°F 202139°F 200223%0%
Aug 1981°F56°F97°F 202039°F 200423%0%
Aug 2081°F55°F95°F 202034°F 200423%0%
Aug 2181°F55°F92°F 200143°F 201823%0%
Aug 2280°F55°F96°F 201041°F 201723%0%
Aug 2380°F54°F96°F 200344°F 200723%0%
Aug 2480°F54°F94°F 201239°F 201523%0%
Aug 2579°F54°F93°F 200239°F 200723%0%
Aug 2679°F54°F94°F 200744°F 201422%0%
Aug 2779°F53°F97°F 200344°F 200823%0%
Aug 2879°F53°F93°F 200145°F 200423%0%
Aug 2978°F53°F102°F 201237°F 200722%0%
Aug 3078°F52°F96°F 200839°F 200922%0%
Aug 3178°F52°F95°F 200842°F 200322%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Garrison, 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 6:23 AM, sunset 9:20 PM
August 31
sunrise 7:03 AM, sunset 8:28 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00323376 (Garrison), public domain. Records: NOAA GHCN-Daily, station USW00094041, 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.