Great Falls climate

Great Falls Weather in July

NOAA 1991-2020 normals for Great Falls 16ST, 2.1 km from Great Falls

Average highs run from 82°F on July 1 to 87°F on July 31, and lows from 53°F to 56°F. Normal precipitation for the month is 1.34 in over about 6 wet days.

July day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Great Falls, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
86°F
Average low
55°F
Precipitation
1.34 in
Record high
105°FJul 10, 1973
Record low
36°FJul 16, 1999
Chance of a freeze
0%
Days of 90°F or more
12.6
Daylight
15 h 54 min to 14 h 58 min
Cloud cover
43%
Humidity
50%
Dew point
47°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
Jul 182°F53°F99°F 199040°F 198024%0%
Jul 282°F53°F99°F 198540°F 199224%0%
Jul 383°F53°F98°F 198541°F 197123%0%
Jul 483°F53°F101°F 193740°F 201823%0%
Jul 583°F54°F101°F 198140°F 200023%0%
Jul 684°F54°F104°F 200739°F 199923%0%
Jul 784°F54°F97°F 195441°F 199322%0%
Jul 884°F54°F99°F 198541°F 199622%0%
Jul 985°F54°F99°F 201741°F 200422%0%
Jul 1085°F54°F105°F 197342°F 199921%0%
Jul 1185°F55°F99°F 200239°F 200821%0%
Jul 1286°F55°F102°F 200240°F 200421%0%
Jul 1386°F55°F102°F 195342°F 199420%0%
Jul 1486°F55°F101°F 200243°F 202020%0%
Jul 1586°F55°F104°F 200740°F 199920%0%
Jul 1687°F55°F100°F 197136°F 199919%0%
Jul 1787°F55°F102°F 202237°F 199919%0%
Jul 1887°F56°F101°F 196040°F 197219%0%
Jul 1987°F56°F104°F 200741°F 199319%0%
Jul 2087°F56°F101°F 200341°F 201918%0%
Jul 2187°F56°F98°F 197938°F 201918%0%
Jul 2287°F56°F102°F 196043°F 199018%0%
Jul 2387°F56°F103°F 200343°F 201118%0%
Jul 2488°F56°F103°F 202443°F 201118%0%
Jul 2588°F56°F101°F 202644°F 200518%0%
Jul 2688°F56°F100°F 198441°F 200518%0%
Jul 2788°F56°F104°F 197543°F 199918%0%
Jul 2888°F56°F100°F 193943°F 202318%0%
Jul 2987°F56°F101°F 200745°F 197118%0%
Jul 3087°F56°F100°F 200745°F 195018%0%
Jul 3187°F56°F98°F 200542°F 196817%0%

Chance of rain

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

July 1
sunrise 5:32 AM, sunset 9:26 PM
July 31
sunrise 6:02 AM, sunset 9:00 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00243749 (Great Falls 16ST), 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.