2025 Compare Climate & Weather:
Moscow, ID vs Petersburg, VA

Highlights

On average, there are 206 sunny days per year in Petersburg. Moscow averages 169 sunny days per year. The US average is 205 sunny days.

Petersburg, Virginia gets 45.6 inches of rain, on average, per year. Moscow, Idaho gets 21.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Petersburg averages 6.4 inches of snow per year. Moscow averages 42.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Petersburg, Virginia
Summer High: the July high is around 90.1 degrees
Winter Low: the January low is 29.1
Rain: averages 45.6 inches of rain a year
Snow: averages 6.4 inches of snow a year

Moscow, Idaho
Summer High: the July high is around 82.7 degrees
Winter Low: the January low is 25.8
Rain: averages 21.6 inches of rain a year
Snow: averages 42.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Petersburg is 7.4 (10=best), which means it is more comfortable than most places in Virginia.

The annual BestPlaces Comfort Index for Moscow is 6.8 (10=best), which means it is more comfortable than most places in Idaho.

Today's Weather - Moscow, ID

55°F

Today's Weather - Petersburg, VA

71°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Moscow / Petersburg

August is the hottest month for Moscow with an average high temperature of 83.7°, which ranks it as cooler than most places in Idaho. In Moscow, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Moscow are September, July and June.

July is the hottest month for Petersburg with an average high temperature of 90.1°, which ranks it as one of the hottest places in Virginia. In Petersburg, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Petersburg are May, September and October.

December has the coldest nighttime temperatures for Moscow with an average of 24.1°. This is one of the warmest places in Idaho.

January has the coldest nighttime temperatures for Petersburg with an average of 29.1°. This is warmer than most places in Virginia.

In Moscow, there are 16.5 days annually when the high temperature is over 90°, which is about average compared to other places in Idaho.

In Petersburg, there are 43.7 days annually when the high temperature is over 90°, which is one of the hottest places in Virginia.

In Moscow, there are 122.2 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Idaho.

In Petersburg, there are 73.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Virginia.

In Moscow, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Idaho.

In Petersburg, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Virginia.

November is the wettest month in Moscow with 2.9 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 31% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 21.6 inches in Moscow means that it is wetter than most places in Idaho.


August is the wettest month in Petersburg with 4.9 inches of rain, and the driest month is February with 3.0 inches. The wettest season is Autumn with 29% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 45.6 inches in Petersburg means that it is wetter than most places in Virginia.

November is the rainiest month in Moscow with 14.8 days of rain, and August is the driest month with only 3.8 rainy days. There are 116.0 rainy days annually in Moscow, which is rainier than most places in Idaho. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 15% chance of a rainy day.

July is the rainiest month in Petersburg with 10.1 days of rain, and October is the driest month with only 7.0 rainy days. There are 104.4 rainy days annually in Petersburg, which is one of the least rainy places in Virginia. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 42.8 inches in Moscow means that it is about average compared to other places in Idaho.

An annual snowfall of 6.4 inches in Petersburg means that it is less snowy than most places in Virginia.

January is the snowiest month in Moscow with 14.6 inches of snow, and 6 months of the year have significant snowfall.

January is the snowiest month in Petersburg with 2.6 inches of snow, and 3 months of the year have significant snowfall.