Fallon County climate

Fallon County Weather in August

NOAA 1991-2020 normals for Plevna, 12 km from Fallon County

Average highs run from 88°F on August 1 to 82°F on August 31, and lows from 57°F to 50°F. Normal precipitation for the month is 1.35 in over about 7 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 Fallon County, 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
54°F
Precipitation
1.35 in
Record high
108°FAug 12, 2018
Record low
36°FAug 23, 2008
Chance of a freeze
2%
Days of 90°F or more
11.8
Daylight
14 h 49 min to 13 h 21 min
Cloud cover
46%
Humidity
49%
Dew point
49°F
Wind
10.7 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 188°F57°F103°F 202641°F 200925%0%
Aug 288°F57°F103°F 202446°F 200225%0%
Aug 388°F57°F102°F 200142°F 201725%0%
Aug 488°F57°F102°F 202238°F 202624%0%
Aug 588°F57°F93°F 200545°F 202624%0%
Aug 688°F57°F99°F 200147°F 200624%0%
Aug 788°F57°F104°F 200143°F 201724%0%
Aug 887°F56°F100°F 202145°F 202424%0%
Aug 987°F56°F98°F 200641°F 202424%0%
Aug 1087°F56°F103°F 200042°F 202424%0%
Aug 1187°F56°F103°F 201843°F 200424%0%
Aug 1287°F55°F108°F 201843°F 200424%0%
Aug 1387°F55°F103°F 200341°F 200224%0%
Aug 1486°F55°F104°F 200341°F 200523%0%
Aug 1586°F55°F102°F 200345°F 200223%0%
Aug 1686°F54°F101°F 200343°F 201223%0%
Aug 1786°F54°F103°F 202141°F 200223%0%
Aug 1885°F54°F100°F 202040°F 201923%0%
Aug 1985°F53°F98°F 202539°F 200223%0%
Aug 2085°F53°F104°F 202542°F 200523%0%
Aug 2185°F53°F98°F 201040°F 200023%0%
Aug 2284°F53°F99°F 200342°F 200823%0%
Aug 2384°F52°F97°F 200036°F 200823%0%
Aug 2484°F52°F102°F 200038°F 201523%0%
Aug 2583°F52°F96°F 200842°F 201223%0%
Aug 2683°F51°F100°F 200042°F 201223%0%
Aug 2783°F51°F98°F 200340°F 200823%0%
Aug 2883°F51°F100°F 201239°F 201923%0%
Aug 2982°F50°F101°F 201240°F 201823%0%
Aug 3082°F50°F98°F 200840°F 200323%0%
Aug 3182°F50°F97°F 200738°F 202023%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Fallon County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 5:39 AM, sunset 8:28 PM
August 31
sunrise 6:17 AM, sunset 7:38 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00246601 (Plevna), public domain. Records: NOAA GHCN-Daily, station USW00094055, 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.