Bozeman climate

Bozeman Weather in August

NOAA 1991-2020 normals for Bozeman Montana State Univ, 2.1 km from Bozeman

Average highs run from 85°F on August 1 to 77°F on August 31, and lows from 53°F to 46°F. Normal precipitation for the month is 1.32 in over about 10 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 Bozeman, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
81°F
Average low
50°F
Precipitation
1.32 in
Snowfall
0.1 in
Record high
103°FAug 5, 1961
Record low
27°FAug 25, 1992
Chance of a freeze
5%
Days of 90°F or more
4.6
Daylight
14 h 44 min to 13 h 20 min
Cloud cover
47%
Humidity
51%
Dew point
39°F
Wind
4.9 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°F53°F102°F 202637°F 200132%0%
Aug 284°F53°F99°F 196141°F 198732%0%
Aug 384°F53°F101°F 196141°F 198932%0%
Aug 484°F53°F102°F 196137°F 201232%0%
Aug 584°F53°F103°F 196137°F 198032%0%
Aug 684°F52°F100°F 198333°F 199632%0%
Aug 784°F52°F102°F 197034°F 194632%0%
Aug 884°F52°F99°F 201238°F 194632%0%
Aug 983°F52°F99°F 200035°F 199532%0%
Aug 1083°F52°F99°F 199141°F 197432%0%
Aug 1183°F51°F102°F 201837°F 194732%0%
Aug 1283°F51°F101°F 200738°F 197732%0%
Aug 1382°F51°F101°F 200337°F 194232%0%
Aug 1482°F51°F99°F 200333°F 200532%0%
Aug 1582°F50°F99°F 200335°F 194432%0%
Aug 1682°F50°F98°F 197339°F 195432%0%
Aug 1781°F50°F98°F 202034°F 200232%0%
Aug 1881°F50°F98°F 196435°F 198732%0%
Aug 1981°F49°F99°F 200833°F 199532%0%
Aug 2080°F49°F98°F 195337°F 199632%0%
Aug 2180°F49°F98°F 201035°F 194532%0%
Aug 2280°F49°F98°F 197634°F 199631%0%
Aug 2380°F48°F98°F 196932°F 201531%0%
Aug 2479°F48°F102°F 196932°F 197131%0%
Aug 2579°F48°F102°F 200827°F 199231%0%
Aug 2679°F48°F101°F 201029°F 199231%0%
Aug 2778°F47°F95°F 197130°F 197631%0%
Aug 2878°F47°F98°F 201233°F 196031%0%
Aug 2978°F47°F97°F 200534°F 196531%0%
Aug 3077°F47°F95°F 195430°F 196531%0%
Aug 3177°F46°F97°F 199132°F 199331%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Bozeman, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

August 1
sunrise 6:08 AM, sunset 8:52 PM
August 31
sunrise 6:44 AM, sunset 8:04 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00241044 (Bozeman Montana State Univ), public domain. Records: NOAA GHCN-Daily, station USW00024132, 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.