Ulm climate

Ulm Weather in August

NOAA 1991-2020 normals for Great Falls WFO, 9.8 km from Ulm

Average highs run from 85°F on August 1 to 77°F on August 31, and lows from 55°F to 49°F. Normal precipitation for the month is 1.25 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 Ulm, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
82°F
Average low
52°F
Precipitation
1.25 in
Record high
106°FAug 5, 1961
Record low
30°FAug 24, 1992
Chance of a freeze
1%
Days of 90°F or more
7.4
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 185°F55°F102°F 202638°F 199922%0%
Aug 285°F55°F98°F 196141°F 200222%0%
Aug 385°F55°F100°F 196140°F 200222%0%
Aug 485°F55°F102°F 196138°F 202622%0%
Aug 585°F55°F106°F 196142°F 202622%0%
Aug 685°F54°F104°F 198342°F 198022%0%
Aug 784°F54°F101°F 197035°F 193922%0%
Aug 884°F54°F102°F 201243°F 199722%0%
Aug 984°F54°F101°F 194042°F 195022%0%
Aug 1084°F54°F104°F 198440°F 193922%0%
Aug 1184°F54°F101°F 199640°F 197722%0%
Aug 1283°F53°F105°F 194038°F 196622%0%
Aug 1383°F53°F99°F 201540°F 200522%0%
Aug 1483°F53°F101°F 197136°F 199522%0%
Aug 1582°F53°F101°F 199040°F 198222%0%
Aug 1682°F53°F101°F 201339°F 200223%0%
Aug 1782°F52°F101°F 202336°F 200223%0%
Aug 1882°F52°F101°F 196440°F 198723%0%
Aug 1981°F52°F100°F 202540°F 197323%0%
Aug 2081°F52°F98°F 197140°F 199523%0%
Aug 2181°F51°F98°F 196938°F 199223%
Aug 2280°F51°F98°F 197632°F 199223%
Aug 2380°F51°F102°F 196932°F 199223%
Aug 2480°F51°F106°F 196930°F 199223%
Aug 2579°F50°F100°F 197031°F 199223%
Aug 2679°F50°F96°F 201038°F 195723%
Aug 2779°F50°F98°F 197139°F 201823%
Aug 2878°F50°F99°F 201236°F 201824%
Aug 2978°F50°F97°F 200534°F 199224%
Aug 3078°F49°F97°F 199935°F 199324%
Aug 3177°F49°F98°F 194037°F 197724%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ulm, 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 USC00243753 (Great Falls WFO), 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.