Rapids City climate

Rapids City Weather in August

NOAA 1991-2020 normals for Le Claire L&d 14, 4.9 km from Rapids City

Average highs run from 85°F on August 1 to 81°F on August 31, and lows from 66°F to 61°F. Normal precipitation for the month is 4.06 in over about 9 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 Rapids City, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
64°F
Precipitation
4.06 in
Record high
103°FAug 1, 1987
Record low
40°FAug 28, 1986
Chance of a freeze
0%
Days of 90°F or more
4.6
Daylight
14 h 23 min to 13 h 09 min
Cloud cover
50%
Humidity
71%
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 185°F66°F103°F 198755°F 194728%0%
Aug 285°F66°F101°F 198751°F 198528%0%
Aug 384°F66°F101°F 198348°F 195028%0%
Aug 484°F66°F100°F 194746°F 197828%0%
Aug 584°F66°F99°F 194748°F 197828%0%
Aug 684°F65°F99°F 194749°F 194828%0%
Aug 784°F65°F97°F 198448°F 197528%0%
Aug 884°F65°F102°F 198847°F 197628%0%
Aug 984°F65°F98°F 200550°F 197228%0%
Aug 1084°F65°F99°F 198351°F 202428%0%
Aug 1184°F65°F95°F 194748°F 196828%0%
Aug 1284°F65°F98°F 197547°F 196728%0%
Aug 1384°F65°F95°F 194447°F 200428%0%
Aug 1483°F65°F97°F 198845°F 196428%0%
Aug 1583°F65°F100°F 198847°F 196428%0%
Aug 1683°F64°F101°F 198847°F 199228%0%
Aug 1783°F64°F103°F 198348°F 199228%0%
Aug 1883°F64°F102°F 198844°F 196328%0%
Aug 1983°F64°F101°F 198349°F 198128%0%
Aug 2083°F64°F101°F 198343°F 195028%0%
Aug 2183°F64°F98°F 198344°F 195028%0%
Aug 2282°F64°F99°F 194749°F 201228%0%
Aug 2382°F63°F99°F 194749°F 195228%0%
Aug 2482°F63°F100°F 202347°F 195228%0%
Aug 2582°F63°F97°F 200343°F 195828%0%
Aug 2682°F63°F97°F 200347°F 196428%0%
Aug 2782°F62°F98°F 202447°F 196828%0%
Aug 2882°F62°F97°F 201340°F 198628%0%
Aug 2981°F62°F97°F 198441°F 198627%0%
Aug 3081°F62°F98°F 194746°F 194627%0%
Aug 3181°F61°F100°F 195345°F 196727%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Rapids City, 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 5:56 AM, sunset 8:19 PM
August 31
sunrise 6:27 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 USC00134705 (Le Claire L&d 14), public domain. Records: NOAA GHCN-Daily, station USW00014923, 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.