Cool
Average highs are around 18°C, so pack for cooler days.
Weather Guide
Banff, Alberta, Canada Average Monthly Weather
Weather score32Poor annual avg
Best months: July, August, April
Across the year, average daytime temperatures are around 6°C, sunshine averages 4.7h per day, and rainfall totals about 709mm.
Annual weather
Annual averages
Temp
6°C
Rain
709mm
Annual total
Sun
4.7h
Weather score
32
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 65mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7h per day, enough for a balanced month.
Map
Weather map
Compare Banff, Alberta, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August18°C average high
August is one of Banff's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August65mm average rain
August sits near Banff's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to May and July to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August7 hours average sun
August is brighter than Banff's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
August38 weather score
August scores above Banff's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMarch to October
These months have the strongest weather score in the monthly averages.
