Altamont climate

Altamont Weather in August

NOAA 1991-2020 normals for Mound Valley 3 Wsw, 13.6 km from Altamont

Average highs run from 91°F on August 1 to 86°F on August 31, and lows from 68°F to 63°F. Normal precipitation for the month is 4.38 in over about 8 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 Altamont, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
89°F
Average low
66°F
Precipitation
4.38 in
Record high
112°FAug 2, 2011
Record low
47°FAug 31, 2009
Chance of a freeze
0%
Days of 90°F or more
16.4
Daylight
14 h 02 min to 13 h 00 min
Cloud cover
45%
Humidity
66%
Dew point
66°F
Wind
8.1 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 191°F68°F109°F 201159°F 201426%0%
Aug 291°F68°F112°F 201152°F 200926%0%
Aug 391°F68°F107°F 201259°F 201826%0%
Aug 491°F68°F112°F 201253°F 202026%0%
Aug 591°F68°F109°F 201158°F 202026%0%
Aug 691°F68°F107°F 200657°F 199726%0%
Aug 790°F68°F108°F 201153°F 199726%0%
Aug 890°F68°F104°F 201262°F 200826%0%
Aug 990°F68°F105°F 200159°F 200225%0%
Aug 1090°F67°F102°F 201060°F 202425%0%
Aug 1190°F67°F103°F 201056°F 200425%0%
Aug 1290°F67°F105°F 201050°F 200425%0%
Aug 1390°F67°F105°F 201053°F 200425%0%
Aug 1490°F67°F106°F 201057°F 199925%0%
Aug 1590°F67°F103°F 200756°F 200425%0%
Aug 1690°F67°F101°F 200757°F 202325%0%
Aug 1790°F66°F106°F 200058°F 201325%0%
Aug 1889°F66°F103°F 200658°F 202025%0%
Aug 1989°F66°F103°F 201153°F 201525%0%
Aug 2089°F66°F111°F 202351°F 201525%0%
Aug 2189°F66°F105°F 202352°F 201625%0%
Aug 2289°F66°F103°F 200353°F 200925%0%
Aug 2388°F65°F102°F 200055°F 200925%0%
Aug 2488°F65°F107°F 201153°F 201525%0%
Aug 2588°F65°F106°F 202350°F 201525%0%
Aug 2688°F65°F103°F 200052°F 202525%0%
Aug 2788°F64°F106°F 200051°F 202525%0%
Aug 2887°F64°F104°F 200056°F 202325%0%
Aug 2987°F64°F103°F 200058°F 200925%0%
Aug 3087°F64°F103°F 200052°F 200925%0%
Aug 3186°F63°F107°F 200047°F 200925%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Altamont, 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 6:26 AM, sunset 8:28 PM
August 31
sunrise 6:51 AM, sunset 7:51 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00145536 (Mound Valley 3 Wsw), public domain. Records: NOAA GHCN-Daily, station USW00003998, 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.