Climate Insights for Island Lake Seaplane Base

The climate in Island Lake Seaplane Base is cool. The average annual temperature is 5°C and approximately 978mm of precipitation falls per year. Island Lake Seaplane Base receives a notable amount of rainfall throughout the year, including during its driest month. Island Lake Seaplane Base 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 January, February, December, when temperatures can drop to -7°C. Island Lake Seaplane Base experiences heavy snowfall, typically from January through December.

Temperatures in Island Lake Seaplane Base vary considerably across the year, with a 25°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 18°C with a mean of 15°C. The coldest month is January, when overnight lows fall to -7°C and the daily average is -5°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Island Lake Seaplane Base is a moderately rainy area, receiving approximately 978mm of precipitation annually, which averages out to around 81mm per month. The wettest month is September, averaging 145mm of rainfall. August and October also tend to see above-average precipitation. The driest month is April, with just 40mm. That's 105mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Island Lake Seaplane Base receives heavy snowfall, accumulating around 238cm annually from January through December. The snowiest month is December, with approximately 66cm. Winter travel should account for significant snow cover.

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

It is currently spring in Island Lake Seaplane Base, which began on March 20, 2026. Island Lake Seaplane Base 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 18°C, while the coldest stretch bottoms out in January near -7°C. Summer is next, beginning on June 21, 2026 — 1 days from now.

The best time to visit Island Lake Seaplane Base is during July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 71mm per month. By contrast, January can be quite cold with temperatures dropping to -7°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Island Lake Seaplane Base 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.