Valley County climate

Valley County Weather in August

NOAA 1991-2020 normals for St Marie, 12.3 km from Valley County

Average highs run from 87°F on August 1 to 80°F on August 31, and lows from 58°F to 52°F. Normal precipitation for the month is 1.32 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 Valley 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
56°F
Precipitation
1.32 in
Record high
108°FAug 2, 2024
Record low
33°FAug 19, 1950
Chance of a freeze
0%
Days of 90°F or more
8.4
Daylight
15 h 01 min to 13 h 27 min
Cloud cover
49%
Humidity
50%
Dew point
47°F
Wind
10.1 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 187°F58°F104°F 202645°F 200920%0%
Aug 287°F58°F108°F 202440°F 197820%0%
Aug 387°F58°F103°F 198340°F 197820%0%
Aug 487°F58°F106°F 202244°F 195220%0%
Aug 586°F58°F105°F 194939°F 197720%0%
Aug 686°F58°F108°F 194947°F 197220%0%
Aug 786°F58°F108°F 194947°F 196920%0%
Aug 886°F57°F102°F 197045°F 198020%0%
Aug 986°F57°F101°F 201841°F 196819%0%
Aug 1086°F57°F107°F 201838°F 199719%0%
Aug 1186°F57°F107°F 201839°F 195219%0%
Aug 1285°F57°F102°F 202242°F 196620%0%
Aug 1385°F57°F100°F 200339°F 200520%0%
Aug 1485°F57°F106°F 197144°F 197720%0%
Aug 1585°F56°F103°F 199045°F 195120%0%
Aug 1684°F56°F104°F 200341°F 197720%0%
Aug 1784°F56°F103°F 195838°F 200220%0%
Aug 1884°F56°F107°F 194841°F 195020%0%
Aug 1984°F55°F103°F 200833°F 195020%0%
Aug 2083°F55°F99°F 197139°F 195020%0%
Aug 2183°F55°F102°F 196943°F 200019%0%
Aug 2283°F55°F104°F 197139°F 196619%0%
Aug 2382°F54°F101°F 196938°F 201519%0%
Aug 2482°F54°F102°F 196940°F 199220%0%
Aug 2582°F54°F103°F 200838°F 199220%0%
Aug 2681°F54°F100°F 201040°F 199220%0%
Aug 2781°F53°F102°F 197140°F 195120%0%
Aug 2881°F53°F100°F 201240°F 197720%0%
Aug 2980°F53°F98°F 197240°F 196220%0%
Aug 3080°F52°F102°F 194838°F 199220%0%
Aug 3180°F52°F102°F 199136°F 194920%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Valley 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 5:42 AM, sunset 8:43 PM
August 31
sunrise 6:23 AM, sunset 7:50 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094010 (St Marie), public domain. Records: NOAA GHCN-Daily, station USW00094008, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.