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Idaho Falls

Travel Info

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Idaho Falls Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Idaho Falls year round climate

  • Spring (March–May): Average -0.1–10.4°C, cold and dry climate, with possible snowfall in early spring, but temperatures gradually rise starting in April. Common activities: Hiking, birdwatching. Recommended clothing: Warm coat, hat, scarf, waterproof clothing.
  • Summer (June–August): Average 19.7–24.5°C, warm and dry climate, abundant sunshine, large diurnal temperature variation. Common activities: Camping, fishing, water activities (such as rafting). Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 10.2–17.3°C, cool and dry climate, temperatures begin to drop, occasional rainfall. Common activities: Leaf peeping, cycling. Recommended clothing: Light jacket, long-sleeved shirt, comfortable casual shoes.
  • Winter (December–February): Average -5.3–-1.0°C, cold and dry climate, less snowfall. Common activities: Skiing, snowshoeing (depending on snowfall). Recommended clothing: Heavy coat, warm clothing, waterproof boots.

Idaho Falls climatological average

Annual average temperature: approx. 8.5°C / Annual rainfall: approx. 12 mm / Summer humidity: 20%–30% / Rainiest month: December

Idaho Falls monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-5.3°C
0.8
February
-1°C
1.6
March
-0.1°C
2
April
7.6°C
0.6
May
10.4°C
1.1
June
19.7°C
0.3
July
24.5°C
0.1
August
22.2°C
0.2
September
17.3°C
0.8
October
10.2°C
0.9
November
-0.9°C
1.3
December
-2.3°C
2.6

Idaho Falls weather for the next seven days

12/16
Tuesday
Sunny
12.4°C/-3.8°C
12/17
Wednesday
Overcast
8.4°C/-3.7°C
12/18
Thursday
Patchy moderate snow
0.5°C/-3.8°C
12/19
Friday
Overcast
8.1°C/4.4°C
12/20
Saturday
Patchy rain nearby
4.8°C/0.2°C
12/21
Sunday
Patchy rain nearby
2.3°C/-0.7°C
12/22
Monday
Patchy rain nearby
4.7°C/0.6°C

Idaho Falls Frequently Asked Questions and Useful Information for Travel

Is it worth visiting Idaho Falls?

Yes, Idaho Falls is worth visiting for its beautiful Riverwalk along the Snake River and its proximity to outdoor recreation. You can enjoy a clean, friendly atmosphere with a walkable downtown featuring shops, restaurants, and breweries, making it suitable for both outdoor enthusiasts and those seeking a relaxing city break. The city offers a picturesque Riverwalk, a network of trails and paths along the Snake River perfect for walking, running, or simply relaxing and enjoying the scenery. Idaho Falls is a gateway to outdoor adventures, with easy access to hunting, fishing, and national parks. You can take day trips to iconic Idaho attractions such as the volcanic landscapes of Craters of the Moon National Monument and Preserve and the scenic Mesa Falls. The downtown area is clean, quaint, and walkable, with local shops, breweries, restaurants, and event venues.

What is the best time to visit Idaho Falls?

Based on the tourism score, the best time of year to visit Idaho Falls for warm-weather activities is from late June to mid August.

What are some major tourist attractions near Idaho Falls?

While Shoshone Falls is a major attraction in Idaho, nearby Idaho Falls offers access to unique destinations. Craters of the Moon National Monument and Preserve is a significant draw with its volcanic landscapes. Mesa Falls provides scenic beauty and outdoor opportunities.

What can I do in downtown Idaho Falls?

Downtown Idaho Falls offers a clean, quaint, and walkable experience. You can explore local shops, enjoy diverse restaurants, visit breweries, and discover event venues. It's a great area for a relaxing city break.

What outdoor activities are popular around Idaho Falls?

Idaho Falls is an excellent base for outdoor enthusiasts. Popular activities include hunting and fishing. The city's proximity to national parks and monuments like Craters of the Moon National Monument and Preserve, along with the scenic Mesa Falls, makes it ideal for exploring nature.