Climate Overview
The climate in Williams Lake Airport is cool. The average annual temperature is 5°C and approximately 433mm of precipitation falls per year. October is the wettest month, receiving around 48mm of rainfall. Williams Lake Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, December, January, when temperatures can drop to -10°C. Snowfall occurs from January to December, with around 93cm accumulating over the season.
Temperature
Temperatures in Williams Lake Airport vary considerably across the year, with a 35°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 25°C and the mean temperature sits around 18°C. The coldest month is February, when overnight lows fall to -10°C and the daily average is -6°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.
Precipitation
Williams Lake Airport is a relatively dry area, receiving approximately 433mm of precipitation annually, which averages out to around 36mm per month. The wettest month is October, averaging 48mm of rainfall. June and September also tend to see above-average precipitation. The driest month is March, with just 17mm. That's 31mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 93cm accumulating over the season. February typically sees the most snow at around 21cm.
Wind
Williams Lake Airport is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.
Seasons
88 days until Summer
It is currently spring in Williams Lake Airport, which began on March 20, 2026. Williams Lake Airport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 25°C, while the coldest stretch bottoms out in February near -10°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from -5 to 19°C. Rainfall is relatively light, with around 79mm over the season and a monthly average of 26mm. Winds are generally light, averaging 12km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 8 to 25°C. Rainfall is relatively light, with around 125mm over the season and a monthly average of 42mm. Winds are generally light, averaging 11km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -4 to 19°C. Rainfall is relatively light, with around 132mm over the season and a monthly average of 44mm. Expect around 21cm of snow accumulation during this period. Winds are generally light, averaging 11km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -10 to 0°C. Rainfall is relatively light, with around 97mm over the season and a monthly average of 32mm. Expect around 60cm of snow accumulation during this period. Winds are generally light, averaging 11km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Williams Lake Airport 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 39mm per month. By contrast, February can be quite cold with temperatures dropping to -10°C. 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 Airport 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.
