Weather in Idaho Falls in January
Idaho Falls, United States averages a high of -1°C (30.2°F) and low of -9.6°C (14.7°F) in January, with 9 rain days and 6.6 hours of daily sunshine. Travel score: 41.6/100 (Mixed). The best time to visit Idaho Falls is July.
High
-1°C30°F
Low
-10°C15°F
🌧️
9
rain days
☀️
6.6
hrs/day sunshine
💧
78%
humidity
42— Mixed
January in Idaho Falls is freezing and occasionally wet — bring heavy winter clothing.
What are the average temperatures in Idaho Falls?
How much does it rain in Idaho Falls in January?
Idaho Falls receives an average of 33.4mm of rainfall across 9 rainy days in January. The annual total is 354.2mm.
What should I pack for Idaho Falls in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around -1°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -10°C
🧣
Warm scarf
Protect against cold winds
Traveling to United States in January?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
Compare Idaho Falls
Popular comparisons:
How can I plan my trip to Idaho Falls?
What are other popular cities in United States?
What is the weather like in other months in Idaho Falls?
Data based on 1994–2024 averages · Last updated: 2024-12-31