Climate Overview
The climate in Lake Pend Oreille Seaplane Base is cool. The average annual temperature is 8°C and approximately 1183mm of precipitation falls per year. January is the wettest month, receiving around 156mm of rainfall. Lake Pend Oreille Seaplane Base 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 -5°C. Lake Pend Oreille Seaplane Base experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Lake Pend Oreille Seaplane Base vary considerably across the year, with a 33°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 20°C. The coldest month is February, when overnight lows fall to -5°C and the daily average is -3°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.
Precipitation
Lake Pend Oreille Seaplane Base is a moderately rainy area, receiving approximately 1183mm of precipitation annually, which averages out to around 99mm per month. The wettest month is January, averaging 156mm of rainfall. October and November also tend to see above-average precipitation. The driest month is July, with just 16mm. That's 141mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Lake Pend Oreille Seaplane Base receives heavy snowfall, accumulating around 481cm annually from January through December. The snowiest month is January, with approximately 116cm. Winter travel should account for significant snow cover.
Wind
Lake Pend Oreille Seaplane Base is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is June, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.
Seasons
93 days until Autumn
It is currently summer in Lake Pend Oreille Seaplane Base, which began on June 21, 2026. Lake Pend Oreille 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 August at around 28°C, while the coldest stretch bottoms out in February near -5°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from -2 to 18°C. Rainfall is heavy, totalling around 311mm across the season with a monthly average of 104mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 9 to 28°C. Rainfall is relatively light, with around 88mm over the season and a monthly average of 29mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 0 to 20°C. Rainfall is heavy, totalling around 348mm across the season with a monthly average of 116mm. Expect around 74cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -5 to 1°C. Rainfall is heavy, totalling around 436mm across the season with a monthly average of 145mm. Expect around 328cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Lake Pend Oreille Seaplane Base is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 18mm per month. By contrast, February can be quite cold with temperatures dropping to -5°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Lake Pend Oreille 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.
