Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Weather Guide
Montana, United States Average Monthly Weather
Weather score48Mixed annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 13°C, sunshine averages 7.7h per day, and rainfall totals about 415mm.
Annual weather
Annual averages
Temp
13°C
Rain
415mm
Annual total
Sun
7.7h
Weather score
48
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 44mm, which is relatively low for holiday planning.
Bright
Sunshine averages 11h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Montana, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August27°C average high
August is one of Montana's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to August
This stretch sets the upper range for average daytime heat.
Rain
August44mm average rain
August sits near Montana's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August11 hours average sun
August is brighter than Montana's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
August75 weather score
August is one of Montana's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
Hotels near Montana, United States
Marriott
SpringHill Suites by Marriott Great FallsGreat Falls, Montana, USA
TownePlace Suites by Marriott Great FallsGreat Falls, Montana, USA
Fairfield Inn & Suites Livingston YellowstoneLivingston, Montana, USA
Residence Inn HelenaHelena, Montana, USA
Delta Hotels Helena ColonialHelena, Montana, USA
Fairfield by Marriott Inn & Suites Helena NorthHelena, Montana, USA