2025 Compare Climate & Weather:
Weiser, ID vs Mount Vernon, WA

Highlights

On average, there are 156 sunny days per year in Mount Vernon. Weiser averages 209 sunny days per year. The US average is 205 sunny days.

Mount Vernon, Washington gets 38.1 inches of rain, on average, per year. Weiser, Idaho gets 11.4 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Mount Vernon averages 5 inches of snow per year. Weiser averages 14.5 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Mount Vernon, Washington
Summer High: the July high is around 72.8 degrees
Winter Low: the January low is 35.7
Rain: averages 38.1 inches of rain a year
Snow: averages 5 inches of snow a year

Weiser, Idaho
Summer High: the July high is around 92.4 degrees
Winter Low: the January low is 20.5
Rain: averages 11.4 inches of rain a year
Snow: averages 14.5 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Mount Vernon is 7.2 (10=best), which means it is more comfortable than most places in Washington.

The annual BestPlaces Comfort Index for Weiser is 7.2 (10=best), which means it is one of the most pleasant places in Idaho.

Today's Weather - Weiser, ID

58°F

Today's Weather - Mount Vernon, WA

49°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Weiser / Mount Vernon

July is the hottest month for Weiser with an average high temperature of 92.4°, which ranks it as one of the hottest places in Idaho. In Weiser, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Weiser are September, May and June.

August is the hottest month for Mount Vernon with an average high temperature of 73.8°, which ranks it as cooler than most places in Washington. In Mount Vernon, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mount Vernon are August, July and September.

January has the coldest nighttime temperatures for Weiser with an average of 20.5°. This is warmer than most places in Idaho.

December has the coldest nighttime temperatures for Mount Vernon with an average of 34.6°. This is warmer than most places in Washington.

In Weiser, there are 51.9 days annually when the high temperature is over 90°, which is one of the hottest places in Idaho.

In Mount Vernon, there are 0.2 days annually when the high temperature is over 90°, which is one of the coolest places in Washington.

In Weiser, there are 132.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Idaho.

In Mount Vernon, there are 38.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Washington.

In Weiser, there are 4.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Idaho.

In Mount Vernon, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.

December is the wettest month in Weiser with 1.8 inches of rain, and the driest month is August with 0.2 inches. The wettest season is Spring with 38% of yearly precipitation and 12% occurs in Autumn, which is the driest season. The annual rainfall of 11.4 inches in Weiser means that it is drier than most places in Idaho.


November is the wettest month in Mount Vernon with 6.0 inches of rain, and the driest month is July with 1.3 inches. The wettest season is Spring with 31% of yearly precipitation and 13% occurs in Autumn, which is the driest season. The annual rainfall of 38.1 inches in Mount Vernon means that it is about average compared to other places in Washington.

December is the rainiest month in Weiser with 10.1 days of rain, and July is the driest month with only 2.1 rainy days. There are 76.8 rainy days annually in Weiser, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 12% chance of a rainy day.

November is the rainiest month in Mount Vernon with 20.0 days of rain, and August is the driest month with only 5.6 rainy days. There are 165.0 rainy days annually in Mount Vernon, which is rainier than most places in Washington. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 14% chance of a rainy day.

An annual snowfall of 14.5 inches in Weiser means that it is less snowy than most places in Idaho.

An annual snowfall of 5.0 inches in Mount Vernon means that it is about average compared to other places in Washington.

December is the snowiest month in Weiser with 7.5 inches of snow, and 4 months of the year have significant snowfall.

December is the snowiest month in Mount Vernon with 2.0 inches of snow, and 4 months of the year have significant snowfall.