Shelley climate

Shelley Weather in August

NOAA 1991-2020 normals for Idaho Falls Fanning Fld, 15.7 km from Shelley

Average highs run from 89°F on August 1 to 81°F on August 31, and lows from 50°F to 44°F. Normal precipitation for the month is 0.59 in over about 5 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 Shelley, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
86°F
Average low
48°F
Precipitation
0.59 in
Record high
101°FAug 1, 2026
Record low
28°FAug 26, 1992
Chance of a freeze
7%
Days of 90°F or more
10.1
Daylight
14 h 31 min to 13 h 13 min
Cloud cover
41%
Humidity
41%
Dew point
40°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 189°F50°F101°F 202637°F 200215%0%
Aug 289°F50°F100°F 202442°F 196315%0%
Aug 389°F50°F100°F 202442°F 196315%0%
Aug 489°F50°F100°F 196136°F 198016%0%
Aug 588°F50°F97°F 196138°F 198016%0%
Aug 688°F50°F98°F 198342°F 195016%0%
Aug 788°F49°F100°F 198340°F 195016%0%
Aug 888°F49°F99°F 199039°F 200416%0%
Aug 988°F49°F96°F 199136°F 200216%0%
Aug 1087°F49°F98°F 196937°F 200215%0%
Aug 1187°F49°F98°F 201841°F 198015%0%
Aug 1287°F48°F97°F 195837°F 200015%0%
Aug 1387°F48°F96°F 200339°F 200615%0%
Aug 1487°F48°F99°F 200337°F 200615%0%
Aug 1586°F48°F98°F 200338°F 200515%0%
Aug 1686°F48°F96°F 202237°F 197415%0%
Aug 1786°F47°F99°F 202336°F 200215%0%
Aug 1885°F47°F97°F 202235°F 197815%0%
Aug 1985°F47°F97°F 196134°F 200215%0%
Aug 2085°F47°F98°F 202634°F 196415%0%
Aug 2185°F47°F97°F 202635°F 196415%0%
Aug 2284°F46°F98°F 196936°F 195415%0%
Aug 2384°F46°F97°F 196936°F 198515%0%
Aug 2484°F46°F98°F 196934°F 199215%0%
Aug 2583°F46°F97°F 201530°F 199215%0%
Aug 2683°F46°F97°F 201028°F 199215%0%
Aug 2783°F45°F93°F 198133°F 196416%0%
Aug 2882°F45°F94°F 201233°F 196016%0%
Aug 2982°F45°F95°F 194832°F 196016%0%
Aug 3082°F45°F99°F 195431°F 196416%0%
Aug 3181°F44°F97°F 202230°F 196516%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Shelley, 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 (MDT).

August 1
sunrise 6:19 AM, sunset 8:50 PM
August 31
sunrise 6:52 AM, sunset 8:05 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024145 (Idaho Falls Fanning Fld), public domain. Records: NOAA GHCN-Daily, station USW00024145, 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.