Climate Insights for Summit Lake
Regional District of Fraser-Fort George, British Columbia, Canada
Climate Overview
The climate in Summit Lake is cool. The average annual temperature is 4°C and approximately 726 mm of precipitation falls per year. Summit Lake receives a notable amount of rainfall throughout the year, including during its driest month. Summit 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. Summit Lake experiences heavy snowfall, typically from January through December.The climate in Summit Lake is cool. The average annual temperature is 40°F and approximately 28.6 in of precipitation falls per year. Summit Lake receives a notable amount of rainfall throughout the year, including during its driest month. Summit 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. Summit Lake experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Summit Lake vary considerably across the year, with a 35°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 24°C with a mean of 16°C. The coldest month is February, when overnight lows fall to -11°C and the daily average is -8°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 7°C shift in average temperatures.Temperatures in Summit Lake vary considerably across the year, with a 62°F difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 74°F with a mean of 61°F. The coldest month is February, when overnight lows fall to 12°F and the daily average is 18°F. On average, daily temperatures fluctuate by about 18°F between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 12°F shift in average temperatures.
Precipitation
Summit Lake is a relatively dry area, receiving approximately 726 mm of precipitation annually, which averages out to around 60 mm per month. The wettest month is November, averaging 86 mm of rainfall. October and June also tend to see above-average precipitation. The driest month is April, with just 39 mm. That's 47 mm less than November, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Summit Lake receives heavy snowfall, accumulating around 253cm annually from January through December. The snowiest month is December, with approximately 55cm. Winter travel should account for significant snow cover.Summit Lake is a relatively dry area, receiving approximately 28.6 in of precipitation annually, which averages out to around 2.4 in per month. The wettest month is November, averaging 3.4 in of rainfall. October and June also tend to see above-average precipitation. The driest month is April, with just 1.5 in. That's 1.9 in less than November, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Summit Lake receives heavy snowfall, accumulating around 100in annually from January through December. The snowiest month is December, with approximately 22in. Winter travel should account for significant snow cover.
Wind
Summit Lake is relatively calm, with an average annual wind speed of 9km/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 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.Summit Lake is mildly breezy, with an average annual wind speed of 6mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is November, averaging 6mph, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.
Best Time to Visit
The best time to visit Summit Lake is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 60 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 Summit Lake is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 61°F with modest rainfall averaging 2.4 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 Summit 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 Summit 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.