2025 Compare Climate & Weather:
Rupert, ID vs American Fork, UT

Highlights

On average, there are 230 sunny days per year in American Fork. Rupert averages 205 sunny days per year. The US average is 205 sunny days.

American Fork, Utah gets 15.2 inches of rain, on average, per year. Rupert, Idaho gets 10.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

American Fork averages 34.3 inches of snow per year. Rupert averages 19.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

American Fork, Utah
Summer High: the July high is around 91 degrees
Winter Low: the January low is 18.5
Rain: averages 15.2 inches of rain a year
Snow: averages 34.3 inches of snow a year

Rupert, Idaho
Summer High: the July high is around 86.2 degrees
Winter Low: the January low is 18
Rain: averages 10.1 inches of rain a year
Snow: averages 19.5 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for American Fork is 7.1 (10=best), which means it is more comfortable than most places in Utah.

The annual BestPlaces Comfort Index for Rupert is 7.1 (10=best), which means it is more comfortable than most places in Idaho.

Today's Weather - Rupert, ID

52°F

Today's Weather - American Fork, UT

66°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Rupert / American Fork

July is the hottest month for Rupert with an average high temperature of 86.2°, which ranks it as warmer than most places in Idaho. In Rupert, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rupert are June, September and August.

July is the hottest month for American Fork with an average high temperature of 91.0°, which ranks it as warmer than most places in Utah. In American Fork, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for American Fork are September, June and May.

December has the coldest nighttime temperatures for Rupert with an average of 17.7°. This is about average compared to other places in Idaho.

January has the coldest nighttime temperatures for American Fork with an average of 18.5°. This is warmer than most places in Utah.

In Rupert, there are 24.1 days annually when the high temperature is over 90°, which is hotter than most places in Idaho.

In American Fork, there are 38.7 days annually when the high temperature is over 90°, which is about average compared to other places in Utah.

In Rupert, there are 162.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Idaho.

In American Fork, there are 146.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Utah.

In Rupert, there are 5.6 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Idaho.

In American Fork, there are 2.2 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Utah.

May is the wettest month in Rupert with 1.3 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Summer with 33% of yearly precipitation and 15% occurs in Autumn, which is the driest season. The annual rainfall of 10.1 inches in Rupert means that it is one of the driest places in Idaho.


May is the wettest month in American Fork with 1.7 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Summer with 30% of yearly precipitation and 16% occurs in Autumn, which is the driest season. The annual rainfall of 15.2 inches in American Fork means that it is about average compared to other places in Utah.

December is the rainiest month in Rupert with 8.6 days of rain, and July is the driest month with only 2.9 rainy days. There are 77.8 rainy days annually in Rupert, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 15% chance of a rainy day.

March is the rainiest month in American Fork with 8.7 days of rain, and June is the driest month with only 4.3 rainy days. There are 80.3 rainy days annually in American Fork, which is about average compared to other places in Utah. The rainiest season is Summer when it rains 31% of the time and the driest is Autumn with only a 18% chance of a rainy day.

An annual snowfall of 19.5 inches in Rupert means that it is less snowy than most places in Idaho.

An annual snowfall of 34.3 inches in American Fork means that it is less snowy than most places in Utah.

December is the snowiest month in Rupert with 5.6 inches of snow, and 7 months of the year have significant snowfall.

January is the snowiest month in American Fork with 9.4 inches of snow, and 7 months of the year have significant snowfall.