2025 Compare Climate & Weather:
Idaho Falls, ID vs Grand Forks, ND

Highlights

On average, there are 197 sunny days per year in Grand Forks. Idaho Falls averages 201 sunny days per year. The US average is 205 sunny days.

Grand Forks, North Dakota gets 21.5 inches of rain, on average, per year. Idaho Falls, Idaho gets 12.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Grand Forks averages 42.4 inches of snow per year. Idaho Falls averages 38.9 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Grand Forks, North Dakota
Summer High: the July high is around 81.1 degrees
Winter Low: the January low is -2.5
Rain: averages 21.5 inches of rain a year
Snow: averages 42.4 inches of snow a year

Idaho Falls, Idaho
Summer High: the July high is around 86.2 degrees
Winter Low: the January low is 12.9
Rain: averages 12.2 inches of rain a year
Snow: averages 38.9 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Grand Forks is 6.2 (10=best), which means it is less comfortable than most places in North Dakota.

The annual BestPlaces Comfort Index for Idaho Falls is 6.7 (10=best), which means it is more comfortable than most places in Idaho.

Today's Weather - Idaho Falls, ID

49°F

Today's Weather - Grand Forks, ND

46°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Idaho Falls / Grand Forks

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

July is the hottest month for Grand Forks with an average high temperature of 81.1°, which ranks it as cooler than most places in North Dakota. In Grand Forks, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grand Forks are June, August and July.

January has the coldest nighttime temperatures for Idaho Falls with an average of 12.9°. This is colder than most places in Idaho.

January has the coldest nighttime temperatures for Grand Forks with an average of -2.5°. This is colder than most places in North Dakota.

In Idaho Falls, there are 20.2 days annually when the high temperature is over 90°, which is about average compared to other places in Idaho.

In Grand Forks, there are 8.3 days annually when the high temperature is over 90°, which is cooler than most places in North Dakota.

In Idaho Falls, there are 172.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Idaho.

In Grand Forks, there are 182.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in North Dakota.

In Idaho Falls, there are 10.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.

In Grand Forks, there are 48.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in North Dakota.

May is the wettest month in Idaho Falls with 1.7 inches of rain, and the driest month is July with 0.6 inches. The wettest season is Summer with 34% of yearly precipitation and 20% occurs in Autumn, which is the driest season. The annual rainfall of 12.2 inches in Idaho Falls means that it is drier than most places in Idaho.


June is the wettest month in Grand Forks with 3.7 inches of rain, and the driest month is February with 0.5 inches. The wettest season is Autumn with 46% of yearly precipitation and 8% occurs in Spring, which is the driest season. The annual rainfall of 21.5 inches in Grand Forks means that it is wetter than most places in North Dakota.

January is the rainiest month in Idaho Falls with 10.5 days of rain, and July is the driest month with only 4.6 rainy days. There are 93.3 rainy days annually in Idaho Falls, which is about average compared to other places in Idaho. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 19% chance of a rainy day.

June is the rainiest month in Grand Forks with 11.3 days of rain, and November is the driest month with only 6.1 rainy days. There are 96.7 rainy days annually in Grand Forks, which is one of the rainiest places in North Dakota. The rainiest season is Autumn when it rains 31% of the time and the driest is Spring with only a 21% chance of a rainy day.

An annual snowfall of 38.9 inches in Idaho Falls means that it is less snowy than most places in Idaho.

An annual snowfall of 42.4 inches in Grand Forks means that it is snowier than most places in North Dakota.

December is the snowiest month in Idaho Falls with 10.9 inches of snow, and 7 months of the year have significant snowfall.

December is the snowiest month in Grand Forks with 10.2 inches of snow, and 7 months of the year have significant snowfall.