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Williams Lake (BC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Williams Lake.
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Climate overview of Williams Lake
Temperatures in Williams Lake, British Columbia, Canada, vary greatly throughout the year. July is the hottest month at 25°C (77°F), while January is the coldest at -2°C (28°F).
Williams Lake sees a moderate amount of rain/snowfall, totalling around 518 mm (20 in) per year. It experiences a distinct dry season from February to April, with warm summers and very cold winters, creating some seasonal variation.
Williams Lake Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Williams Lake - and find the best time to visit.
Monthly Temperature in Williams Lake
The climate in Williams Lake is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in July, the warmest time of the year, to a very cold -2°C (28°F) during cooler months like January.
At night, you can expect temperatures ranging from 10°C (50°F) in July to around -11°C (12°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Williams Lake
Generally, Williams Lake receives mid-range precipitation levels, with 518 mm (20 in) annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, June it receives moderate rainfall, averaging 62 mm (2.4 in) of precipitation, recorded across 12 rainy days. In contrast, the driest month March brings less snow/rainfall, with 27 mm (1.1 in) over 8 snowy/rainy days. For more details, please visit our Williams Lake Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Williams Lake
For comfortable weather, consider visiting Williams Lake in June, July and August. Conditions are usually least favourable in January, February, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
cold
Mar
mixed
Apr
mixed
May
very good
Jun
excellent
Jul
excellent
Aug
excellent
Sep
very good
Oct
mixed
Nov
cold
Dec
very cold
- Best overall: June, July and August
- Warmest weather: July and August
- Fewest rainy days: February, March and April
- Seasonal pattern: A distinct dry season from February to April, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in Williams Lake
What is the best time to visit Williams Lake?
June, July and August typically offer the most optimal weather in Williams Lake. In contrast, January, February, November and December tend to have less optimal conditions. Williams Lake has a distinct dry season from February to April, with warm summers and very cold winters.
What temperatures can I expect in Williams Lake?
Daytime highs range from -2°C (28°F) in January to 25°C (77°F) in July. Nighttime lows range from -11°C (12°F) to 10°C (50°F). Temperatures vary considerably through the year.
How much rain does Williams Lake get?
Annual rainfall is around 518 mm (20 in). June is the wettest month with 62 mm (2.4 in), while March is the driest with 27 mm (1.1 in).
Williams Lake 3-Day Forecast
Williams Lake on the map
Williams Lake is highlighted - select any city to see its climate.
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