Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
August verdict
Helena, Montana, United States in August
Weather score74Very good
Very good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 10h per day, so bright days are a strong part of the month. Rainfall averages 34mm, which is relatively low for holiday planning.
August weather
Monthly averages
Temp
28°C
Rain
34mm
Sun
10h
Weather score
74
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 34mm, which is relatively low for holiday planning.
Bright
Sunshine averages 10h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Helena, Montana, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August28°C average high
August is one of Helena'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
August34mm average rain
August sits near Helena's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and July to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August10 hours average sun
August is brighter than Helena'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
August74 weather score
August scores above Helena's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
