Cool
Average highs are around -2°C, so pack for cooler days.
December verdict
Poor for holiday weather
Average highs are around -2°C, so pack for cooler days. Sunshine averages 2.4h per day, so this is not one of the brighter months. Rainfall averages 71mm, which is relatively low for holiday planning.
Monthly averages
Temp
-2°C
Rain
71mm
Sun
2.4h
Weather score
24
Poor
Cool
Average highs are around -2°C, so pack for cooler days.
Drier
Rainfall averages 71mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 2.4h per day, so this is not one of the brighter months.
Map
Compare Waterton Lakes National Park, Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
December-2°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
December71mm average rain
December sits near Waterton Lakes National Park'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.
December2.4 hours average sun
December is one of Waterton Lakes National Park's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
December24 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
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