2025 Compare Climate & Weather:
Idaho Falls, ID vs Belfast, ME

Highlights

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

Belfast, Maine gets 47.8 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.

Belfast averages 62.8 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

Belfast, Maine
Summer High: the July high is around 77.1 degrees
Winter Low: the January low is 9.1
Rain: averages 47.8 inches of rain a year
Snow: averages 62.8 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 Belfast is 6.5 (10=best), which means it is more comfortable than most places in Maine.

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

51°F

Today's Weather - Belfast, ME

54°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Idaho Falls / Belfast

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 Belfast with an average high temperature of 77.1°, which ranks it as cooler than most places in Maine. In Belfast, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Belfast are July, August and June.

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 Belfast with an average of 9.1°. This is about average compared to other places in Maine.

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 Belfast, there are 1.9 days annually when the high temperature is over 90°, which is one of the coolest places in Maine.

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 Belfast, there are 155.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Maine.

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 Belfast, there are 15.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Maine.

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.


November is the wettest month in Belfast with 5.0 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Winter with 29% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 47.8 inches in Belfast means that it is about average compared to other places in Maine.

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.

May is the rainiest month in Belfast with 10.9 days of rain, and February is the driest month with only 7.5 rainy days. There are 111.1 rainy days annually in Belfast, which is one of the least rainy places in Maine. The rainiest season is Summer when it rains 26% of the time and the driest is Spring with only a 23% 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 62.8 inches in Belfast means that it is less snowy than most places in Maine.

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

January is the snowiest month in Belfast with 18.0 inches of snow, and 6 months of the year have significant snowfall.