Challis, Idaho Weather by Month

By | February 3, 2024

Challis is a small, picturesque town located in Custer County in the central part of Idaho, United States. Nestled in the scenic Salmon River Valley, Challis is surrounded by rugged mountains and vast wilderness areas, making it a haven for outdoor enthusiasts. The town is part of the United States and boasts a rich history that is closely tied to mining and ranching, which have been the backbone of the local economy for many years.

Challis covers an area of approximately 1.4 square miles and has a population of around 1,000 residents. The town’s economy is primarily based on agriculture, mining, and tourism. While Challis does not host any major universities or famous companies, it is known for its historical significance and natural beauty.

One of the most notable landmarks in Challis is the Land of the Yankee Fork State Park, which offers a glimpse into the area’s rich mining history with attractions such as the Bayhorse Ghost Town and the Yankee Fork Gold Dredge. Additionally, the nearby Challis Hot Springs is a popular destination for visitors seeking relaxation and natural therapeutic waters. The town’s location near the Salmon-Challis National Forest provides numerous opportunities for hiking, fishing, hunting, and wildlife viewing.

Climate and Weather Overview

Challis, Idaho, experiences a semi-arid climate, characterized by cold winters and hot, dry summers. The area receives relatively low precipitation throughout the year and enjoys a high number of sunny days. Below is a table detailing the average temperature, precipitation, and sunny days for each month.

Month Average Temperature (°F) Precipitation (inches) Sunny Days
January 10 – 31 0.8 17
February 14 – 37 0.7 16
March 22 – 47 0.8 19
April 28 – 57 0.7 21
May 36 – 67 1.1 23
June 42 – 76 1.0 25
July 47 – 86 0.5 28
August 46 – 85 0.5 27
September 38 – 75 0.6 24
October 28 – 61 0.7 22
November 19 – 44 0.8 18
December 11 – 32 0.8 16

January

January in Challis is typically the coldest month of the year. Average temperatures range from 10°F at night to 31°F during the day. Precipitation is relatively low, with an average of 0.8 inches, primarily in the form of snow. The month usually has about 17 sunny days, providing a crisp and clear winter atmosphere.

Recommended Activities

  • Inside Activities: Visiting local museums and historical sites.
  • Outside Activities: Snowshoeing, ice fishing, and cross-country skiing in the surrounding mountains.

February

February sees slightly warmer temperatures, ranging from 14°F to 37°F. Precipitation averages 0.7 inches. The number of sunny days remains at about 16, indicating continued cold but slightly improving weather conditions.

Recommended Activities

  • Inside Activities: Participating in indoor community events and workshops.
  • Outside Activities: Exploring local trails and enjoying winter sports.

March

March marks the beginning of spring, with temperatures ranging from 22°F to 47°F. Precipitation increases slightly to 0.8 inches, and there are around 19 sunny days. This month is known for its variable weather, with both snow and mild days.

Recommended Activities

  • Inside Activities: Visiting local art galleries and community centers.
  • Outside Activities: Early spring hiking and bird watching.

April

April continues the warming trend with temperatures between 28°F and 57°F. Rainfall decreases slightly to 0.7 inches, and there are about 21 sunny days. The weather is typically pleasant, making it a great time for outdoor activities.

Recommended Activities

  • Inside Activities: Enjoying performances at local theaters.
  • Outside Activities: Gardening, hiking, and visiting botanical gardens.

May

May brings warmer temperatures, with averages ranging from 36°F to 67°F. Rainfall averages 1.1 inches, and there are approximately 23 sunny days. The weather is generally warm, making it ideal for outdoor exploration.

Recommended Activities

  • Inside Activities: Attending local art exhibitions and community events.
  • Outside Activities: Fishing, biking, and attending outdoor concerts.

June

June marks the start of summer, with temperatures climbing from 42°F to 76°F. Rainfall averages 1.0 inches, and there are about 25 sunny days. The weather is typically warm and pleasant.

Recommended Activities

  • Inside Activities: Exploring local libraries and cultural centers.
  • Outside Activities: Swimming, hiking, and enjoying water sports.

July

July is the warmest month, with temperatures ranging from 47°F to 86°F. Rainfall is very low at 0.5 inches, and the month has about 28 sunny days. The heat is usually moderate, making it ideal for a variety of outdoor activities.

Recommended Activities

  • Inside Activities: Visiting air-conditioned museums and local shops.
  • Outside Activities: Camping, fishing, and attending local festivals.

August

August remains warm, with temperatures from 46°F to 85°F. Rainfall averages 0.5 inches, and there are about 27 sunny days. The summer heat persists, making it a great time for outdoor fun.

Recommended Activities

  • Inside Activities: Participating in indoor recreational activities.
  • Outside Activities: Canoeing, hiking, and visiting local parks.

September

September sees a slight drop in temperatures, ranging from 38°F to 75°F. Rainfall increases slightly to 0.6 inches, and there are around 24 sunny days. The weather begins to cool slightly, making outdoor activities more comfortable.

Recommended Activities

  • Inside Activities: Attending indoor craft fairs and community workshops.
  • Outside Activities: Enjoying fall foliage, fishing, and hiking.

October

October is characterized by cooler temperatures between 28°F and 61°F. Rainfall averages 0.7 inches, and there are about 22 sunny days. The cooler temperatures and colorful fall scenery make it a perfect month for outdoor activities.

Recommended Activities

  • Inside Activities: Exploring local history museums and attending community events.
  • Outside Activities: Pumpkin picking, hiking, and attending outdoor markets.

November

November brings cooler weather, with temperatures from 19°F to 44°F. Rainfall averages 0.8 inches, and there are approximately 18 sunny days. The cooler temperatures and lower humidity make it a pleasant time for outdoor activities.

Recommended Activities

  • Inside Activities: Visiting historical landmarks and indoor craft fairs.
  • Outside Activities: Hiking and enjoying autumn scenery in nearby parks.

December

December sees temperatures ranging from 11°F to 32°F. Rainfall is relatively low at 0.8 inches, and there are about 16 sunny days. The weather is generally cold, with occasional snow.

Recommended Activities

  • Inside Activities: Celebrating holidays with indoor events and community gatherings.
  • Outside Activities: Attending holiday markets and light displays.

Natural Disasters

Challis, Idaho, experiences a variety of weather conditions throughout the year, including the potential for natural disasters. These include:

  • Earthquakes: Challis is located in a seismically active region, so minor earthquakes can occur.
  • Flooding: Heavy rains, particularly during the spring and early summer, can lead to localized flooding, especially in low-lying areas.
  • Wildfires: Dry conditions, particularly in late summer and early fall, can increase the risk of wildfires in the surrounding forests and grasslands.
  • Snowstorms: Winter months, particularly January and February, can experience significant snowfall, leading to road closures and power outages.

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