Lake Louise (AB) Weather & Climate: Best Time to Visit

The climate in Lake Louise is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a moderate 16°C (61°F) in July, the warmest time of the year, to a very cold -11°C (12°F) during cooler months like December.

At night, you can expect temperatures ranging from 4°C (39°F) in July to around -19°C (-2°F) during December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Lake Louise receives mid-range precipitation levels, with 819 mm (32 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, June it receives high rainfall, averaging 111 mm (4.4 in) of precipitation, recorded across 16 rainy days. In contrast, the driest month February brings less snowfall, with 43 mm (1.7 in) over 13 snowy days. For more details, please visit our Lake Louise Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Lake Louise. While July receives considerable daily sunshine with up to 8.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.5 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is moderate throughout the year in Lake Louise.

The city experiences its highest humidity in December, reaching 66%. In June, the humidity drops to its lowest level at 39%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year