Clark Fork, Idaho Weather by Month

Clark Fork is a small, picturesque town located in the northern part of Idaho, in Bonner County. Nestled within the United States, this charming town is situated along the banks of the Clark Fork River, which flows into the expansive Lake Pend Oreille. Clark Fork is approximately 30 miles east of Sandpoint, the county seat, and about 70 miles northeast of Coeur d’Alene, a major city in northern Idaho.

Geographically, Clark Fork is surrounded by the breathtaking beauty of the Cabinet Mountains and the Selkirk Mountains, offering stunning vistas and a wealth of outdoor recreational opportunities. The town covers a modest area of 0.84 square miles and has a population of around 536 residents, according to the most recent census data. This small population contributes to the town’s tight-knit community feel and tranquil atmosphere.

Clark Fork does not host any famous companies or major universities, but it is renowned for its natural landmarks and outdoor attractions. The Clark Fork River and Lake Pend Oreille are central to the town’s identity, providing excellent opportunities for fishing, boating, and wildlife viewing. Another notable landmark is the Scotchman Peaks Wilderness, which offers hiking trails with panoramic views of the surrounding mountains and valleys.

Despite its small size, Clark Fork’s unique blend of natural beauty and rural charm makes it a special place within Idaho.

Climate and Weather Overview

Clark Fork experiences a humid continental climate, characterized by four distinct seasons: cold, snowy winters; warm, dry summers; and transitional spring and autumn periods. This climate type is typical of the inland Pacific Northwest and results in a variety of weather conditions throughout the year.

Average Monthly Climate Data

Month Average Temperature (°F) Precipitation (inches) Sunny Days
January 27.0 3.0 10
February 30.0 2.5 12
March 37.0 2.3 14
April 45.0 2.0 17
May 54.0 2.1 20
June 61.0 2.3 23
July 68.0 1.5 28
August 67.0 1.4 27
September 58.0 1.8 22
October 46.0 2.2 17
November 34.0 3.0 11
December 28.0 3.5 9

Weather by Month


January in Clark Fork is characterized by cold temperatures, with average highs around 32°F and lows around 22°F. The month sees an average of 3.0 inches of precipitation, primarily in the form of snow, making it a winter wonderland. There are approximately 10 sunny days in January, providing opportunities for winter sports such as skiing, snowboarding, and snowshoeing in the nearby mountains. Natural disasters such as snowstorms and occasional icy conditions can occur, impacting travel. Indoor activities like visiting local museums or enjoying a cozy day by the fireplace are popular during this time.


February remains cold with average temperatures around 30°F. Precipitation averages 2.5 inches, with snow still being common. The town enjoys about 12 sunny days in February. Winter sports and indoor activities continue to be popular. Residents can enjoy the serene winter landscapes or participate in community events held indoors. Snowstorms and ice storms remain possible, so it’s important to stay updated on weather forecasts and drive cautiously.


March brings a gradual warming, with average temperatures around 37°F. Precipitation decreases slightly to 2.3 inches, with a mix of rain and snow. There are approximately 14 sunny days in March. The arrival of early spring makes it a good time for exploring local trails and parks, although conditions can still be wet and muddy. Indoor events and activities provide alternatives during inclement weather. Occasional late-season snowstorms can still occur, impacting travel plans.


April sees milder weather with average temperatures around 45°F. Precipitation remains at 2.0 inches, but rain becomes more common than snow. The town enjoys about 17 sunny days. This is an excellent month for outdoor activities such as hiking and fishing as the landscape begins to green up. Spring festivals and community events start to pick up, celebrating the end of winter. Thunderstorms can occur, so it’s wise to have indoor plans as a backup.


May offers warmer temperatures, averaging around 54°F, with precipitation at 2.1 inches. The town experiences approximately 20 sunny days. This month is ideal for outdoor activities, including hiking, fishing, and exploring the town’s natural beauty. The mild weather also makes it an excellent time for gardening and participating in local events. While thunderstorms can occur, they are typically brief.


June sees the onset of summer with temperatures averaging 61°F. Precipitation increases slightly to 2.3 inches, and there are about 23 sunny days. The warm and dry conditions are ideal for outdoor activities, including boating, hiking, and visiting local parks. Residents and visitors can enjoy the lush green scenery and participate in community events. Thunderstorms are more common in June, so it’s important to stay weather-aware during outdoor activities.


July is the warmest month in Clark Fork, with average temperatures around 68°F. Precipitation decreases to 1.5 inches, and the town experiences about 28 sunny days. The warm and dry weather is perfect for swimming, boating, and other water-related activities on Lake Pend Oreille. Despite the heat, July is a great time for outdoor festivals, community gatherings, and enjoying the town’s numerous parks. Thunderstorms are less frequent, but it’s still important to stay hydrated and protect against the sun during outdoor activities.


August continues the warm trend with average temperatures around 67°F. Precipitation remains low at 1.4 inches, and there are approximately 27 sunny days. This is another excellent month for outdoor activities, including hiking, biking, and enjoying the natural beauty of Clark Fork. The long, sunny days are perfect for exploring the town’s cultural sites and participating in community festivals. Thunderstorms are rare, but it’s important to be prepared for sudden changes in weather.


September sees a gradual cooling with average temperatures around 58°F. Precipitation increases slightly to 1.8 inches, and there are approximately 22 sunny days. The cooler temperatures make it ideal for hiking, biking, and other outdoor activities. Fall festivals and community events begin to appear on the calendar, celebrating the harvest season. Thunderstorms can still occur, but they are less frequent than in the summer months.


October brings further cooling with average temperatures around 46°F. Precipitation increases to 2.2 inches, and there are about 17 sunny days. The mild weather and changing foliage create a stunning backdrop for outdoor activities such as hiking, leaf-peeping, and visiting local farms for apple picking and pumpkin patches. Fall festivals and community events are in full swing. Occasional rainstorms can occur, so it’s wise to have indoor activities planned as well.


November continues the cooling trend with average temperatures around 34°F. Precipitation averages 3.0 inches, with snow becoming more common. The town experiences about 11 sunny days. The cooler weather is perfect for indoor and outdoor activities alike. Residents can enjoy the local parks, attend cultural events, and explore the town’s historical sites. The mild temperatures make it a comfortable time for walking tours and outdoor dining. Occasional early snowfalls can occur, signaling the approach of winter.


December is one of the cooler months in Clark Fork, with average temperatures around 28°F. Precipitation averages 3.5 inches, often falling as snow. Despite the snow, there are approximately 9 sunny days. The cooler weather and frequent snow showers create a cozy atmosphere, ideal for holiday events and indoor activities. Visitors can explore local museums, enjoy festive events, and participate in community gatherings. Winter sports become more popular as snow accumulates.


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