Climate Insights for Williams Lake

Cariboo Regional District, British Columbia, Canada

Hottest
August
25°C peak78°F peak
Coldest
February
-11°C low12°F low
Wettest
October
55 mm rain2.2 in rain
Best to Visit
July, August
Mild temps & low rain

Climate Overview

The climate in Williams Lake is cool. The average annual temperature is 5°C and approximately 512 mm of precipitation falls per year. October is the wettest month, receiving around 55 mm of rainfall. Williams Lake is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, December, January, when temperatures can drop to -11°C. Snowfall occurs from January to December, with around 143cm accumulating over the season.The climate in Williams Lake is cool. The average annual temperature is 41°F and approximately 20.1 in of precipitation falls per year. October is the wettest month, receiving around 2.2 in of rainfall. Williams Lake is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, December, January, when temperatures can drop to 12°F. Snowfall occurs from January to December, with around 56in accumulating over the season.

Temperature

-20°-10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: -2°Average: -6°Min: -9°FebMax: -1°Average: -7°Min: -11°MarMax: 6°Average: 0°Min: -5°AprMax: 12°Average: 5°Min: 0°MayMax: 19°Average: 12°Min: 5°JunMax: 22°Average: 14°Min: 8°JulMax: 25°Average: 17°Min: 11°AugMax: 25°Average: 17°Min: 10°SepMax: 19°Average: 12°Min: 7°OctMax: 11°Average: 5°Min: 1°NovMax: 3°Average: -1°Min: -3°DecMax: -3°Average: -7°Min: -10°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 29°FAverage: 21°FMin: 16°FFebMax: 30°FAverage: 20°FMin: 12°FMarMax: 43°FAverage: 32°FMin: 23°FAprMax: 54°FAverage: 42°FMin: 31°FMayMax: 66°FAverage: 53°FMin: 41°FJunMax: 71°FAverage: 58°FMin: 47°FJulMax: 77°FAverage: 63°FMin: 52°FAugMax: 78°FAverage: 63°FMin: 51°FSepMax: 67°FAverage: 53°FMin: 44°FOctMax: 51°FAverage: 41°FMin: 34°FNovMax: 38°FAverage: 31°FMin: 26°FDecMax: 27°FAverage: 20°FMin: 15°F
Max
Average
Min

Williams Lake has a wide annual temperature range, spanning 36°C from the coldest to warmest months. The warmest month is August, when average highs reach 25°C and the mean temperature sits around 17°C. The coldest month is February, when overnight lows fall to -11°C and the daily average is -7°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.Williams Lake has a wide annual temperature range, spanning 66°F from the coldest to warmest months. The warmest month is August, when average highs reach 78°F and the mean temperature sits around 63°F. The coldest month is February, when overnight lows fall to 12°F and the daily average is 20°F. On average, daily temperatures fluctuate by about 20°F between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 13°F shift in average temperatures.

Precipitation

0mm25mm50mm75mm100mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 36mmSnow: 29mmFebPrecipitation: 37mmSnow: 32mmMarPrecipitation: 25mmSnow: 14mmAprPrecipitation: 30mmSnow: 4mmMayPrecipitation: 47mmSnow: 0mmJunPrecipitation: 54mmSnow: 0mmJulPrecipitation: 50mmSnow: 0mmAugPrecipitation: 43mmSnow: 0mmSepPrecipitation: 52mmSnow: 0mmOctPrecipitation: 55mmSnow: 11mmNovPrecipitation: 44mmSnow: 20mmDecPrecipitation: 39mmSnow: 33mm
Precipitation
Snow
0in2in4in6in8in10in12inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 1.4inSnow (in): 11inFebPrecipitation: 1.4inSnow (in): 12inMarPrecipitation: 1inSnow (in): 6inAprPrecipitation: 1.2inSnow (in): 2inMayPrecipitation: 1.9inSnow (in): 0inJunPrecipitation: 2.1inSnow (in): 0inJulPrecipitation: 2inSnow (in): 0inAugPrecipitation: 1.7inSnow (in): 0inSepPrecipitation: 2inSnow (in): 0inOctPrecipitation: 2.2inSnow (in): 4inNovPrecipitation: 1.7inSnow (in): 8inDecPrecipitation: 1.5inSnow (in): 13in
Precipitation
Snow (in)

Williams Lake is a relatively dry area, receiving approximately 512 mm of precipitation annually, which averages out to around 43 mm per month. The wettest month is October, averaging 55 mm of rainfall. June and September also tend to see above-average precipitation. The driest month is March, with just 25 mm. That's 30 mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 143cm accumulating over the season. December typically sees the most snow at around 33cm.Williams Lake is a relatively dry area, receiving approximately 20.1 in of precipitation annually, which averages out to around 1.7 in per month. The wettest month is October, averaging 2.2 in of rainfall. June and September also tend to see above-average precipitation. The driest month is March, with just 1 in. That's 1.2 in less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 56in accumulating over the season. December typically sees the most snow at around 13in.

Wind

0km/h5km/h10km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 8km/hFebWind Speed: 8km/hMarWind Speed: 8km/hAprWind Speed: 8km/hMayWind Speed: 7km/hJunWind Speed: 7km/hJulWind Speed: 6km/hAugWind Speed: 6km/hSepWind Speed: 6km/hOctWind Speed: 8km/hNovWind Speed: 9km/hDecWind Speed: 8km/h
Wind Speed
0mph5mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 5mphFebWind Speed: 5mphMarWind Speed: 5mphAprWind Speed: 5mphMayWind Speed: 4mphJunWind Speed: 4mphJulWind Speed: 4mphAugWind Speed: 4mphSepWind Speed: 4mphOctWind Speed: 5mphNovWind Speed: 5mphDecWind Speed: 5mph
Wind Speed

Williams Lake is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.Williams Lake is mildly breezy, with an average annual wind speed of 5mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is November, averaging 5mph, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 4mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1mph gap between the calmest and windiest months.

Best Time to Visit

Jan-6°21°F
Feb-7°20°F
Mar0°32°F
Apr5°42°F
May12°53°F
Jun14°58°F
Jul17°63°F
Aug17°63°F
Sep12°53°F
Oct5°41°F
Nov-1°31°F
Dec-7°20°F

The best time to visit Williams Lake is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 47 mm per month. By contrast, February can be quite cold with temperatures dropping to -11°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.The best time to visit Williams Lake is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 63°F with modest rainfall averaging 1.9 in per month. By contrast, February can be quite cold with temperatures dropping to 12°F. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Williams Lake based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Williams Lake based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-9 °C16 °F
-2 °C29 °F
8 km/h5 mph
36 mm1.4 in
29 cm11 in
Feb
-11 °C12 °F
-1 °C30 °F
8 km/h5 mph
37 mm1.4 in
32 cm12 in
Mar
-5 °C23 °F
6 °C43 °F
8 km/h5 mph
25 mm1 in
14 cm6 in
Apr
0 °C31 °F
12 °C54 °F
8 km/h5 mph
30 mm1.2 in
4 cm2 in
May
5 °C41 °F
19 °C66 °F
7 km/h4 mph
47 mm1.9 in
0 cm0 in
Jun
8 °C47 °F
22 °C71 °F
7 km/h4 mph
54 mm2.1 in
0 cm0 in
Jul
11 °C52 °F
25 °C77 °F
6 km/h4 mph
50 mm2 in
0 cm0 in
Aug
10 °C51 °F
25 °C78 °F
6 km/h4 mph
43 mm1.7 in
0 cm0 in
Sep
7 °C44 °F
19 °C67 °F
6 km/h4 mph
52 mm2 in
0 cm0 in
OctCurrent
1 °C34 °F
11 °C51 °F
8 km/h5 mph
55 mm2.2 in
11 cm4 in
Nov
-3 °C26 °F
3 °C38 °F
9 km/h5 mph
44 mm1.7 in
20 cm8 in
Dec
-10 °C15 °F
-3 °C27 °F
8 km/h5 mph
39 mm1.5 in
33 cm13 in