Mild
Average highs are around 23°C, so days are mild rather than hot.
June verdict
Good for holiday weather
Average highs are around 23°C, so days are mild rather than hot. Sunshine averages 11h per day, so bright days are a strong part of the month. Rainfall averages 71mm, which is relatively low for holiday planning.

Monthly averages
Temp
23°C
Rain
71mm
Sun
11h
Weather score
63
Good
Mild
Average highs are around 23°C, so days are mild rather than hot.
Drier
Rainfall averages 71mm, which is relatively low for holiday planning.
Bright
Sunshine averages 11h per day, so bright days are a strong part of the month.
Map
Compare Great Falls, Montana, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
June23°C average high
June sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
June71mm average rain
June is one of Great Falls' wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April and July to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
June11 hours average sun
June is brighter than Great Falls' 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.
June63 weather score
June sits close to Great Falls' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.