Williams Lake weather by month & the best time to visit
Canada · alpine / mountain town · continental climate

The best time to visit Williams Lake is August — its sunniest month (Sunshine Score 85/100), with July and June close behind. Williams Lake averages about 2,264 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 38 mm of rain in August.
When is the best time to visit Williams Lake?
For sunshine, the best time to visit Williams Lake is August, then July and June. The dullest month is January (0/100, 54 mm of rain). The full month-by-month picture is in the table below.
How sunny is Williams Lake?
Williams Lake gets a moderate 2,264 hours of sunshine a year. 85 Sunshine Score points separate August (85) from January (0), so the month you pick matters. It ranks #47 of 242 destinations in Canada for annual sunshine, above the national median of 2,024 hours. The year's 609 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -4° / 25°F | -12° / 10°F | 54 mm | 0 |
| February | 0 | -2° / 28°F | -11° / 12°F | 40 mm | 1 |
| March | 0 | 3° / 37°F | -6° / 21°F | 42 mm | 2 |
| April | 7 | 9° / 48°F | -2° / 28°F | 38 mm | 4 |
| May | 55 | 16° / 61°F | 3° / 37°F | 53 mm | 5 |
| June | 80 | 20° / 68°F | 7° / 45°F | 64 mm | 6 |
| July | 83 | 24° / 75°F | 10° / 50°F | 52 mm | 6 |
| August | 85 | 23° / 73°F | 9° / 48°F | 38 mm | 5 |
| September | 61 | 17° / 63°F | 4° / 39°F | 56 mm | 3 |
| October | 7 | 9° / 48°F | -1° / 30°F | 62 mm | 2 |
| November | 0 | 1° / 34°F | -6° / 21°F | 59 mm | 0 |
| December | 0 | -4° / 25°F | -12° / 10°F | 51 mm | 0 |
Nearest destinations
Williams Lake: questions and answers
What kind of destination is Williams Lake?
Williams Lake is a alpine / mountain town in Canada at 936 m elevation with a continental climate.
How many hours of sunshine does Williams Lake get a year?
Williams Lake gets about 2,264 hours of sunshine a year, at its best around August.
When is the best time to visit Williams Lake?
The sunniest time to visit Williams Lake is August, when the Sunshine Score peaks at 85/100 (with July and June close behind). Expect daytime highs around 23°C / 73°F.
What is the least sunny month in Williams Lake?
January is the least sunny month in Williams Lake, scoring 0/100 with about 54 mm of rain.
How strong is the sun in Williams Lake?
The typical midday UV index in Williams Lake peaks around 6 (high) in June, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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