Annual mean 5°C · wettest around June · prevailing wind SE
Warmest
22.8 °C
Coldest
-6.7 °C
Wettest
25%
Windiest
4.0 m/s
Prevailing
SE
3.3 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Williams Lake over the whole year is 5°C. July is the hottest month, with highs of about 22°C; February is the coldest, with lows of about -8°C. Williams Lake has no sharply defined rainy season: the chance of rain on a given day runs from 13% in March, the driest month, to 21% in June, the wettest. Winds in Williams Lake are highest in November, averaging 3.5 m/s (13 km/h), and lightest in July, at 2.1 m/s (8 km/h). The prevailing wind is from the SE. The clearest skies in Williams Lake come in August, when the sky is typically 53% covered; November is the cloudiest month, at 70%.
Month by month Williams Lake climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-4°C
-7°C
-9°C
18%
68%
3.2 m/s
0
0
0
February
-4°C
-8°C
-10°C
19%
63%
2.9 m/s
0
0
1
March
3°C
-4°C
-2°C
13%
59%
2.9 m/s
0
0
8
April
9°C
1°C
4°C
14%
57%
3.0 m/s
4
0
32
May
15°C
7°C
11°C
17%
60%
2.6 m/s
31
1
72
June
18°C
11°C
15°C
21%
61%
2.6 m/s
47
5
79
July
22°C
13°C
19°C
18%
55%
2.1 m/s
75
16
72
August
21°C
12°C
19°C
15%
53%
2.2 m/s
74
16
72
September
15°C
7°C
12°C
19%
58%
2.3 m/s
35
2
75
October
8°C
2°C
4°C
18%
59%
2.9 m/s
6
0
33
November
1°C
-2°C
-4°C
18%
70%
3.5 m/s
0
0
4
December
-5°C
-7°C
-10°C
18%
69%
3.0 m/s
0
0
0
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Williams Lake weather by season
Year round, Williams Lake has days of about -5°C at their warmest in December, its coolest month, and 22°C in July, its warmest; the coolest hours of the day run from -8°C to 13°C through the year, and the average temperature over the year is 5°C around the clock. Rain is most likely around June and least likely around March. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Williams Lake weather in winterDecember to February
High -4°CLow -7°CRain 18%
Winter in Williams Lake has typical daily highs of about -4°C and lows of about -7°C, with a 18% chance of rain on a given day.
Williams Lake weather in springMarch to May
High 9°CLow 1°CRain 15%
Spring in Williams Lake has typical daily highs of about 9°C and lows of about 1°C, with a 15% chance of rain on a given day.
Williams Lake weather in summerJune to August
High 20°CLow 12°CRain 18%
Summer in Williams Lake has typical daily highs of about 20°C and lows of about 12°C, with a 18% chance of rain on a given day.
Williams Lake weather in autumnSeptember to November
High 8°CLow 2°CRain 18%
Autumn in Williams Lake has typical daily highs of about 8°C and lows of about 2°C, with a 18% chance of rain on a given day.
When is the rainy season in Williams Lake?
Williams Lake has no sharply defined rainy season: the chance of rain on a given day runs from 13% in March, the driest month, to 21% in June, the wettest.
What time of year is Williams Lake windiest?
Winds in Williams Lake are highest in November, averaging 3.5 m/s (13 km/h), and lightest in July, at 2.1 m/s (8 km/h). The prevailing wind is from the SE.
What is the average temperature in Williams Lake year round?
The average temperature in Williams Lake over the whole year is 5°C. July is the hottest month, with highs of about 22°C; February is the coldest, with lows of about -8°C.