2025 Compare Climate & Weather:
Vienna, VA vs Rapid City, SD

Highlights

On average, there are 226 sunny days per year in Rapid City. Vienna averages 202 sunny days per year. The US average is 205 sunny days.

Rapid City, South Dakota gets 18.2 inches of rain, on average, per year. Vienna, Virginia gets 42.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Rapid City averages 38 inches of snow per year. Vienna averages 21.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Rapid City, South Dakota
Summer High: the July high is around 85.3 degrees
Winter Low: the January low is 14.2
Rain: averages 18.2 inches of rain a year
Snow: averages 38 inches of snow a year

Vienna, Virginia
Summer High: the July high is around 86.2 degrees
Winter Low: the January low is 24.2
Rain: averages 42.6 inches of rain a year
Snow: averages 21.4 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Rapid City is 7.0 (10=best), which means it is one of the most pleasant places in South Dakota.

The annual BestPlaces Comfort Index for Vienna is 7.3 (10=best), which means it is about average compared to other places in Virginia.

Today's Weather - Vienna, VA

83°F

Today's Weather - Rapid City, SD

94°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Vienna / Rapid City

July is the hottest month for Vienna with an average high temperature of 86.2°, which ranks it as cooler than most places in Virginia. In Vienna, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Vienna are September, May and June.

July is the hottest month for Rapid City with an average high temperature of 85.3°, which ranks it as about average compared to other places in South Dakota. In Rapid City, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rapid City are June, September and August.

January has the coldest nighttime temperatures for Vienna with an average of 24.2°. This is about average compared to other places in Virginia.

January has the coldest nighttime temperatures for Rapid City with an average of 14.2°. This is one of the warmest places in South Dakota.

In Vienna, there are 20.9 days annually when the high temperature is over 90°, which is about average compared to other places in Virginia.

In Rapid City, there are 22.5 days annually when the high temperature is over 90°, which is about average compared to other places in South Dakota.

In Vienna, there are 97.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Virginia.

In Rapid City, there are 159.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Dakota.

In Vienna, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Virginia.

In Rapid City, there are 14.9 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in South Dakota.

May is the wettest month in Vienna with 4.4 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Autumn with 27% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 42.6 inches in Vienna means that it is drier than most places in Virginia.


May is the wettest month in Rapid City with 3.8 inches of rain, and the driest month is January with 0.3 inches. The wettest season is Autumn with 38% of yearly precipitation and 6% occurs in Spring, which is the driest season. The annual rainfall of 18.2 inches in Rapid City means that it is drier than most places in South Dakota.

May is the rainiest month in Vienna with 12.0 days of rain, and October is the driest month with only 8.3 rainy days. There are 116.6 rainy days annually in Vienna, which is about average compared to other places in Virginia. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

June is the rainiest month in Rapid City with 11.8 days of rain, and November is the driest month with only 4.0 rainy days. There are 85.4 rainy days annually in Rapid City, which is rainier than most places in South Dakota. The rainiest season is Autumn when it rains 34% of the time and the driest is Spring with only a 15% chance of a rainy day.

An annual snowfall of 21.4 inches in Vienna means that it is snowier than most places in Virginia.

An annual snowfall of 38.0 inches in Rapid City means that it is about average compared to other places in South Dakota.

February is the snowiest month in Vienna with 7.8 inches of snow, and 5 months of the year have significant snowfall.

March is the snowiest month in Rapid City with 8.6 inches of snow, and 8 months of the year have significant snowfall.