Cowley, Wyoming Weather by Month

Cowley is a small town located in Big Horn County, Wyoming, United States. Situated in the northern part of the state, Cowley lies along the banks of the Bighorn River and is surrounded by beautiful landscapes of rolling hills, rugged mountains, and vast prairies. The town is part of the Bighorn Basin region, known for its rich natural beauty and outdoor recreational opportunities. With a population of around 700 residents, Cowley offers a tranquil and close-knit community atmosphere, ideal for those seeking a peaceful lifestyle amidst stunning wilderness surroundings. The town is primarily agricultural, with ranching and farming being the primary economic activities. Major landmarks in the area include the Bighorn National Forest, Shell Falls, and the Pryor Mountains. While Cowley may be small in size, it offers residents and visitors alike access to breathtaking natural scenery, outdoor activities, and a relaxed pace of life.

Climate and Weather Overview

Cowley experiences a semi-arid climate with cold winters and warm summers, typical of the Intermountain West region. The town’s climate is influenced by its elevation, geographic location, and proximity to mountain ranges. Winters in Cowley are cold and snowy, with temperatures often dropping below freezing, while summers are warm and dry, with plenty of sunshine. The town experiences four distinct seasons, each offering unique weather patterns and outdoor recreational opportunities.

Average Climate Data

Below is a table detailing the average temperature, precipitation, and sunny days for each month in Cowley:

Month Average Temperature (°F) Average Precipitation (inches) Sunny Days
January 28°F 0.50 inches 25 days
February 33°F 0.45 inches 25 days
March 42°F 0.70 inches 25 days
April 53°F 1.00 inch 25 days
May 62°F 1.25 inches 26 days
June 72°F 0.75 inches 27 days
July 81°F 0.50 inches 29 days
August 79°F 0.55 inches 28 days
September 70°F 0.70 inches 27 days
October 57°F 0.75 inches 26 days
November 43°F 0.60 inches 25 days
December 31°F 0.40 inches 25 days

Weather by Month


January in Cowley is characterized by cold temperatures and occasional snowfall. Average highs hover around 28°F (-2°C), while nighttime temperatures can drop below freezing. Snowfall is common during this month, contributing to winter’s blanket over the landscape. Outdoor activities during January typically revolve around winter sports such as skiing, snowboarding, and snowshoeing.

Recommended Activities:

  • Skiing or snowboarding at nearby resorts such as Antelope Butte or Big Horn Ski Resort
  • Snowshoeing or cross-country skiing in the Bighorn National Forest
  • Wildlife viewing in the snow-covered landscapes of the region


February continues the cold and snowy conditions of winter in Cowley. Average highs reach around 33°F (0.5°C), with continued chances of snowfall throughout the month. Outdoor activities remain centered around winter sports, with opportunities for snowmobiling, ice fishing, and snow tubing in addition to skiing and snowboarding.

Recommended Activities:

  • Ice fishing on frozen lakes and rivers in the area
  • Snowmobiling on designated trails in the Bighorn National Forest
  • Enjoying scenic drives through snow-covered landscapes


March marks the transition from winter to spring in Cowley, although winter conditions may persist early in the month. Average highs rise to around 42°F (5.5°C), and snowfall gradually decreases as temperatures begin to warm. Outdoor enthusiasts can enjoy a mix of winter and early spring activities, including snow sports and hiking as trails begin to thaw.

Recommended Activities:

  • Hiking or snowshoeing on lower-elevation trails
  • Birdwatching as migratory birds return to the area
  • Exploring ice caves and frozen waterfalls in nearby canyons


April brings warmer temperatures and the first signs of spring to Cowley. Average highs climb to around 53°F (11.5°C), and snowmelt contributes to rising water levels in rivers and streams. While snow may still be present in higher elevations, lower-elevation areas begin to thaw, and outdoor activities shift towards spring pursuits such as hiking, wildlife viewing, and fishing.

Recommended Activities:

  • Fishing for trout in the Bighorn River
  • Wildflower viewing in the foothills and valleys
  • Exploring scenic drives through blooming landscapes


May heralds the arrival of spring in full force, with average highs reaching 62°F (16.5°C). The landscape bursts into bloom as wildflowers blanket meadows and hillsides, and outdoor enthusiasts can enjoy a wide range of activities in the mild weather. Hiking, camping, fishing, and wildlife viewing are popular activities during this time of year.

Recommended Activities:

  • Camping in the Bighorn National Forest
  • Hiking along the Medicine Wheel Passage of the Cloud Peak Wilderness
  • Wildlife viewing in the Shell Creek Valley


June brings warmer temperatures and longer days to Cowley, with average highs around 72°F (22°C). The summer season kicks off, and outdoor activities abound as residents and visitors take advantage of the pleasant weather. Hiking, camping, fishing, and boating are popular activities, with ample opportunities to explore the region’s natural beauty.

Recommended Activities:

  • Boating or kayaking on the Bighorn River
  • Fishing for trout in alpine lakes and streams
  • Exploring scenic trails in the Pryor Mountains


July is characterized by warm temperatures and sunny skies in Cowley, with average highs reaching 81°F (27°C). The summer season is in full swing, and outdoor recreation takes center stage. Visitors can enjoy a variety of water-based activities, including rafting, tubing, and paddleboarding on the Bighorn River, or opt for land-based pursuits such as hiking, biking, and wildlife viewing.

Recommended Activities:

  • Rafting or tubing on the Bighorn River
  • Exploring the Devil’s Canyon Overlook Trail
  • Attending the Big Horn County Fair and Rodeo


August brings continued warmth and sunshine to Cowley, with average highs around 79°F (26°C). Outdoor enthusiasts can take advantage of the long summer days to explore the area’s natural attractions, from hiking and camping in the mountains to fishing and boating on the river. The town also hosts various events and festivals celebrating the local culture and heritage.

Recommended Activities:

  • Camping in the foothills of the Pryor Mountains
  • Fishing for walleye and catfish in the Bighorn River
  • Attending the Cowley Days Festival


September ushers in the arrival of fall in Cowley, with average highs dropping to around 70°F (21°C). The landscape begins to transition as leaves change color, and outdoor activities shift towards autumn pursuits such as hiking, birdwatching, and scenic drives. Visitors can enjoy cooler temperatures and fewer crowds while exploring the area’s natural beauty.

Recommended Activities:

  • Leaf-peeping along scenic drives in the Bighorn National Forest
  • Birdwatching in the Shell Valley Wetlands
  • Exploring historic sites and landmarks in the area


October brings cooler temperatures and vibrant fall foliage to Cowley, with average highs around 57°F (14°C). The town is surrounded by stunning landscapes ablaze with color, making it an ideal time for outdoor exploration and photography. Visitors can enjoy scenic drives, hiking, and wildlife viewing amidst the autumn splendor.

Recommended Activities:

  • Scenic drives along the Bighorn Scenic Byway
  • Hiking in the Shell Canyon and Shell Falls areas
  • Attending fall festivals and events in nearby towns


November marks the onset of winter in Cowley, with average highs dropping to 43°F (6°C) and occasional snowfall. The town begins to quiet down as outdoor activities become limited due to colder temperatures and inclement weather. However, there are still opportunities for winter sports enthusiasts to enjoy activities such as skiing, snowshoeing, and ice fishing.

Recommended Activities:

  • Skiing or snowboarding at nearby resorts such as Antelope Butte
  • Ice fishing on frozen lakes and reservoirs
  • Exploring historic sites and museums indoors


December brings winter’s chill to Cowley, with average highs around 31°F (-1°C) and the possibility of heavy snowfall. The town is blanketed in snow, creating a beautiful winter wonderland for residents and visitors alike. While outdoor activities may be limited during this time, there are still opportunities to enjoy the season through festive events, holiday markets, and indoor attractions.

Recommended Activities:

  • Attending holiday events and festivals in the area
  • Ice skating at local rinks
  • Cozying up with hot cocoa and enjoying the winter scenery