Sun Prairie climate

Sun Prairie Weather in August

NOAA 1991-2020 normals for Great Falls Intl AP, 10.3 km from Sun Prairie

Average highs run from 87°F on August 1 to 78°F on August 31, and lows from 53°F to 47°F. Normal precipitation for the month is 1.22 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 Sun Prairie, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
50°F
Precipitation
1.22 in
Snowfall
0.3 in
Record high
106°FAug 5, 1961
Record low
30°FAug 24, 1992
Chance of a freeze
2%
Days of 90°F or more
8.7
Daylight
14 h 56 min to 13 h 24 min
Cloud cover
47%
Humidity
49%
Dew point
45°F
Wind
7.4 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°F102°F 202638°F 199921%0%
Aug 287°F53°F98°F 196141°F 200221%0%
Aug 387°F53°F100°F 196140°F 200221%0%
Aug 487°F53°F102°F 196138°F 202621%0%
Aug 587°F53°F106°F 196142°F 202621%0%
Aug 686°F52°F104°F 198342°F 198021%0%
Aug 786°F52°F101°F 197035°F 193921%0%
Aug 886°F52°F102°F 201243°F 199721%0%
Aug 986°F52°F101°F 194042°F 195021%0%
Aug 1085°F52°F104°F 198440°F 193921%0%
Aug 1185°F52°F101°F 199640°F 197721%0%
Aug 1285°F51°F105°F 194038°F 196621%0%
Aug 1385°F51°F99°F 201540°F 200521%0%
Aug 1484°F51°F101°F 197136°F 199521%0%
Aug 1584°F51°F101°F 199040°F 198221%0%
Aug 1684°F51°F101°F 201339°F 200221%0%
Aug 1783°F50°F101°F 202336°F 200221%0%
Aug 1883°F50°F101°F 196440°F 198722%0%
Aug 1983°F50°F100°F 202540°F 197322%0%
Aug 2082°F50°F98°F 197140°F 199522%0%
Aug 2182°F49°F98°F 196938°F 199222%0%
Aug 2281°F49°F98°F 197632°F 199222%0%
Aug 2381°F49°F102°F 196932°F 199222%0%
Aug 2481°F49°F106°F 196930°F 199222%0%
Aug 2580°F48°F100°F 197031°F 199222%0%
Aug 2680°F48°F96°F 201038°F 195722%0%
Aug 2779°F48°F98°F 197139°F 201823%0%
Aug 2879°F48°F99°F 201236°F 201823%0%
Aug 2979°F47°F97°F 200534°F 199223%0%
Aug 3078°F47°F97°F 199935°F 199323%0%
Aug 3178°F47°F98°F 194037°F 197723%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sun Prairie, 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 6:04 AM, sunset 9:00 PM
August 31
sunrise 6:44 AM, sunset 8:08 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00024143 (Great Falls Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00024143, 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.