Dease Lake (BC) Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from moderate to very cold in Dease Lake. Average maximum daytime temperatures range from a moderate 17°C (63°F) in July, the warmest time of the year, to a very cold -11°C (12°F) during cooler months like January.

At night, you can expect temperatures ranging from 7°C (45°F) in July to around -18°C (0°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Dease Lake has a moderate amount of precipitation, averaging 746 mm (29 in) of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives moderate rainfall, averaging 98 mm (3.9 in) of precipitation, recorded across 16 rainy days. In contrast, the driest month February brings less snowfall, with 34 mm (1.3 in) over 10 snowy days. For more details, please visit our Dease Lake 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 Dease Lake. While June receives considerable daily sunshine with up to 7.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The mean wind speed varies between 1 m/s (2 knots) and 2 m/s (4 knots) throughout the year. It is lowest in July, August, September, October, November and December and highest during January, February, March, April, May and June. What does this mean?

The mean monthly wind speed over the year (meters per second)