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

Average temperatures, rainfall, sunshine and the best time to visit Williams Lake.

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, 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

Best Time to Visit Williams Lake

Williams Lake's weather is most enjoyable during May, June, July, August and September, with comfortable temperatures from 19°C (65°F) to 25°C (76°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 38 mm (1.5 in) and 62 mm (2.4 in), providing a good balance of sunny and rainy days.

Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.

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.

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 (BC) 3-Day Forecast

Williams Lake on the map

Williams Lake is highlighted — select any city to see its climate.

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