Idaho Falls (ID) Temperatures: Monthly Averages and Year-Round Insights
On this page, we’ll explore Idaho Falls’s temperature statistics in detail, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in the United States of America.
Monthly Temperature Averages
The climate in Idaho Falls is dynamic, ranging widely from very cold in winter to very warm in summer. Average maximum daytime temperatures reach a very warm 31°C in July. In January, the coolest month of the year, temperatures drop to a very cold -2°C. At night, minimum temperatures can drop even lower, averaging around -11°C.
The chart below illustrates the average maximum day and minimum night temperatures in Idaho Falls by month:
The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM. During this time the sun's heating effect is the strongest.
The chart below shows the average temperature throughout the year:
January, the city’s coldest month, receives about 22 mm of rainfall spread over roughly 9 days. For more information, please visit our Idaho Falls Precipitation page.
Annual Temperatures in the United States of America Compared
The map below shows the annual temperature across the United States of America. You can also select the different months in case you are interested in a specific month.
very warm
warm
pleasant
moderate
cold
very cold
Idaho Falls Temperatures Compared World Wide
Idaho Falls’s average annual maximum temperature is 14°C. Let’s compare this with some popular tourist destinations:
The city of Rome, Italy, has an average annual temperature of 20°C, known for its sunny summers and comfortable winters.
In Toronto, Canada, the average annual temperature is 13°C, with snowy winters and warm summers.
Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with an average annual temperature of 23°C, featuring hot summers and mild winters.
Melbourne, Australia, has a slightly cooler climate, with an average annual temperature of 20°C.
How are these Temperatures Measured?
Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.
This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.
Temperatures in the Mountains
Although not all regions have mountains, elevated areas exhibit distinct temperature variations.
- Sun Exposure: Sunlit slopes tend to be warmer, while shaded areas remain cooler.
- Altitude Effects: Temperatures drop by approximately 6°C for every 1,000 meters of elevation, creating distinct microclimates.
For more detailed information about Idaho Falls’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Idaho Falls climate page.
Current temperature in Idaho Falls (ID)
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overcast and heavy sleet
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broken clouds and small chance of slight rain
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overcast and snow
