Harper climate

Harper Weather in August

NOAA 1991-2020 normals for Harper 3ENE, 4.1 km from Harper

Average highs run from 94°F on August 1 to 90°F on August 31, and lows from 70°F to 66°F. Normal precipitation for the month is 2.14 in over about 4 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 Harper, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
93°F
Average low
68°F
Precipitation
2.14 in
Record high
109°FAug 10, 1953
Record low
54°FAug 11, 2003
Chance of a freeze
0%
Days of 90°F or more
26.6
Daylight
13 h 35 min to 12 h 48 min
Cloud cover
41%
Humidity
58%
Dew point
65°F
Wind
8.9 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 194°F70°F101°F 195161°F 198012%0%
Aug 294°F70°F104°F 195362°F 197112%0%
Aug 394°F70°F104°F 201159°F 194912%0%
Aug 495°F70°F104°F 195160°F 197813%0%
Aug 595°F70°F105°F 195161°F 197313%0%
Aug 695°F70°F106°F 195258°F 200313%0%
Aug 795°F69°F105°F 195263°F 191313%0%
Aug 895°F69°F107°F 195360°F 200113%0%
Aug 994°F69°F107°F 195361°F 198913%0%
Aug 1094°F69°F109°F 195359°F 198914%0%
Aug 1194°F69°F105°F 195354°F 200314%0%
Aug 1294°F69°F105°F 196259°F 200414%0%
Aug 1394°F69°F105°F 196957°F 196714%0%
Aug 1494°F69°F105°F 196956°F 196715%0%
Aug 1594°F69°F105°F 195261°F 198915%0%
Aug 1694°F69°F104°F 195258°F 200415%0%
Aug 1794°F68°F105°F 195158°F 200415%0%
Aug 1893°F68°F105°F 194560°F 199216%0%
Aug 1993°F68°F105°F 200059°F 200116%0%
Aug 2093°F68°F105°F 195258°F 194016%0%
Aug 2193°F68°F104°F 199956°F 194016%0%
Aug 2293°F68°F104°F 202457°F 194617%0%
Aug 2392°F67°F106°F 202456°F 194617%0%
Aug 2492°F67°F104°F 195254°F 196117%0%
Aug 2592°F67°F105°F 195256°F 196118%0%
Aug 2692°F67°F105°F 201157°F 195618%0%
Aug 2791°F67°F104°F 202357°F 201018%0%
Aug 2891°F66°F104°F 195155°F 190618%0%
Aug 2991°F66°F107°F 201157°F 199219%0%
Aug 3091°F66°F107°F 201155°F 198619%0%
Aug 3190°F66°F105°F 195257°F 201719%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Harper, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:56 AM, sunset 8:31 PM
August 31
sunrise 7:13 AM, sunset 8:01 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00413954 (Harper 3ENE), public domain. Records: NOAA GHCN-Daily, station USC00413329, 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.