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

Highlights

On average, there are 209 sunny days per year in Williamsburg. Rapid City averages 226 sunny days per year. The US average is 205 sunny days.

Williamsburg, Virginia gets 47.2 inches of rain, on average, per year. Rapid City, South Dakota gets 18.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Williamsburg averages 6.5 inches of snow per year. Rapid City averages 38 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Williamsburg, Virginia
Summer High: the July high is around 87.8 degrees
Winter Low: the January low is 30
Rain: averages 47.2 inches of rain a year
Snow: averages 6.5 inches of snow a year

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

BestPlaces Comfort Index

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

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.

Today's Weather - Rapid City, SD

92°F

Today's Weather - Williamsburg, VA

75°F

Average Monthly High / Low (°F)

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

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.

July is the hottest month for Williamsburg with an average high temperature of 87.8°, which ranks it as warmer than most places in Virginia. In Williamsburg, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Williamsburg are May, September and June.

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.

January has the coldest nighttime temperatures for Williamsburg with an average of 30.0°. This is one of the warmest 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 Williamsburg, there are 26.7 days annually when the high temperature is over 90°, which is hotter than most 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 Williamsburg, there are 64.6 days annually when the nighttime low temperature falls below freezing, which is one of the warmest 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.

In Williamsburg, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is warmer 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.


August is the wettest month in Williamsburg with 5.1 inches of rain, and the driest month is February with 3.1 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 47.2 inches in Williamsburg means that it is one of the wettest places in Virginia.

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.

July is the rainiest month in Williamsburg with 11.3 days of rain, and October is the driest month with only 7.5 rainy days. There are 116.2 rainy days annually in Williamsburg, which is about average compared to other 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 38.0 inches in Rapid City means that it is about average compared to other places in South Dakota.

An annual snowfall of 6.5 inches in Williamsburg means that it is less snowy than most places in Virginia.

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

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