boise average temperatures by month

Boise, Idaho: Average Temperatures by Month

Boise, Idaho experiences a semi-arid climate, resulting in significant temperature variations throughout the year. The average monthly temperatures range from a chilly 28°F in January to a warm 73°F in July, offering a distinct four-season experience. Understanding these temperature patterns is crucial for planning travel, outdoor activities, and even everyday wardrobe choices in Boise.

Average Monthly Temperatures in Boise

Boise’s temperature profile is characterized by cold winters and hot, dry summers. Spring and fall offer milder, transitional weather. The following provides a breakdown of average temperatures by month:

Winter (December – February)

Winter in Boise is cold, with temperatures frequently dipping below freezing. Snowfall is common, adding to the winter ambiance.

• December: Average high: 38°F, Average low: 26°F
• January: Average high: 36°F, Average low: 24°F (Coldest month)
• February: Average high: 43°F, Average low: 28°F

Spring (March – May)

Spring brings a welcome thaw and an increase in temperatures. The landscape starts to bloom, and outdoor activities become more appealing.

• March: Average high: 53°F, Average low: 34°F
• April: Average high: 61°F, Average low: 40°F
• May: Average high: 70°F, Average low: 48°F

Summer (June – August)

Summers in Boise are hot and dry, with plenty of sunshine. This is the peak season for outdoor recreation, especially water activities.

• June: Average high: 80°F, Average low: 55°F
• July: Average high: 90°F, Average low: 62°F (Warmest month)
• August: Average high: 89°F, Average low: 61°F

Fall (September – November)

Fall offers pleasant temperatures and beautiful foliage. It’s a great time for hiking and enjoying the outdoors before winter sets in.

• September: Average high: 78°F, Average low: 51°F
• October: Average high: 65°F, Average low: 41°F
• November: Average high: 50°F, Average low: 33°F

Factors Influencing Boise’s Climate

Boise’s climate is influenced by its location in a high desert region surrounded by mountains. The mountains create a rain shadow effect, leading to lower precipitation and drier conditions. Elevation also plays a significant role in temperature variations.

You can explore more about Boise’s Climate on Wikipedia.

FAQs About Boise Temperatures

What is the hottest month in Boise?

July is typically the hottest month in Boise, with an average high of 90°F.

What is the coldest month in Boise?

January is usually the coldest month, with an average low of 24°F.

Does Boise get a lot of snow?

Boise receives moderate snowfall, generally between December and February.

When is the best time to visit Boise for outdoor activities?

Spring and fall offer pleasant temperatures for hiking and other outdoor pursuits. Summer is ideal for water activities, but be prepared for the heat.

How much does the temperature vary during the day in Boise?

Boise often experiences a significant temperature difference between day and night, especially during the summer months. It’s common for temperatures to drop 20-30 degrees Fahrenheit from the daytime high to the nighttime low.

Summary

Boise, Idaho, exhibits a diverse climate with notable temperature fluctuations throughout the year. From cold, snowy winters to hot, dry summers, understanding these seasonal variations is key to enjoying all that Boise has to offer. Knowing the average monthly temperatures allows for better planning of activities, travel, and daily life in this vibrant city.