Madison County climate

Madison County Weather in August

NOAA 1991-2020 normals for Rexburg Byu Idaho, 10.8 km from Madison County

Average highs run from 87°F on August 1 to 80°F on August 31, and lows from 53°F to 47°F. Normal precipitation for the month is 0.70 in over about 6 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 Madison County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
84°F
Average low
50°F
Precipitation
0.70 in
Record high
100°FAug 1, 2026
Record low
33°FAug 31, 2006
Chance of a freeze
3%
Days of 90°F or more
6.8
Daylight
14 h 34 min to 13 h 15 min
Cloud cover
42%
Humidity
46%
Dew point
39°F
Wind
6.3 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 187°F53°F100°F 202640°F 200120%0%
Aug 287°F53°F97°F 202045°F 200620%0%
Aug 387°F53°F94°F 202444°F 200620%0%
Aug 487°F52°F95°F 202242°F 201620%0%
Aug 587°F52°F95°F 201243°F 201620%0%
Aug 686°F52°F96°F 200147°F 202620%0%
Aug 786°F52°F95°F 200146°F 201820%0%
Aug 886°F52°F97°F 201242°F 200420%0%
Aug 986°F52°F95°F 200039°F 200220%0%
Aug 1086°F52°F99°F 201841°F 200220%0%
Aug 1186°F51°F98°F 200345°F 200220%0%
Aug 1285°F51°F93°F 200742°F 200020%0%
Aug 1385°F51°F96°F 200342°F 200620%0%
Aug 1485°F51°F99°F 200340°F 200620%0%
Aug 1585°F51°F97°F 200342°F 200920%0%
Aug 1684°F50°F95°F 202040°F 199920%0%
Aug 1784°F50°F97°F 202239°F 200920%0%
Aug 1884°F50°F99°F 202241°F 200220%0%
Aug 1984°F50°F95°F 202537°F 200220%0%
Aug 2083°F50°F95°F 202639°F 201620%0%
Aug 2183°F49°F96°F 202641°F 200020%0%
Aug 2283°F49°F92°F 200641°F 200820%0%
Aug 2383°F49°F92°F 202538°F 200820%0%
Aug 2482°F49°F95°F 202238°F 201020%0%
Aug 2582°F48°F95°F 201540°F 200519%0%
Aug 2682°F48°F94°F 201039°F 200519%0%
Aug 2781°F48°F91°F 200138°F 200419%0%
Aug 2881°F48°F93°F 201236°F 201819%0%
Aug 2981°F47°F93°F 202335°F 202419%0%
Aug 3081°F47°F93°F 202241°F 200519%0%
Aug 3180°F47°F96°F 202233°F 200619%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Madison County, 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 6:16 AM, sunset 8:50 PM
August 31
sunrise 6:49 AM, sunset 8:04 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00107644 (Rexburg Byu Idaho), public domain. Records: NOAA GHCN-Daily, station USW00094194, 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.