2025 Compare Climate & Weather:
Hillsboro, OR vs Whitewood, SD

Highlights

On average, there are 223 sunny days per year in Whitewood. Hillsboro averages 142 sunny days per year. The US average is 205 sunny days.

Whitewood, South Dakota gets 21 inches of rain, on average, per year. Hillsboro, Oregon gets 39.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Whitewood averages 34.9 inches of snow per year. Hillsboro averages 3.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Whitewood, South Dakota
Summer High: the July high is around 86.6 degrees
Winter Low: the January low is 16.3
Rain: averages 21 inches of rain a year
Snow: averages 34.9 inches of snow a year

Hillsboro, Oregon
Summer High: the July high is around 80.8 degrees
Winter Low: the January low is 36.7
Rain: averages 39.2 inches of rain a year
Snow: averages 3.2 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Whitewood is 7.1 (10=best), which means it is one of the most pleasant places in South Dakota.

The annual BestPlaces Comfort Index for Hillsboro is 7.5 (10=best), which means it is more comfortable than most places in Oregon.

Today's Weather - Hillsboro, OR

63°F

Today's Weather - Whitewood, SD

66°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Hillsboro / Whitewood

August is the hottest month for Hillsboro with an average high temperature of 81.8°, which ranks it as cooler than most places in Oregon. In Hillsboro, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Hillsboro are September, July and August.

July is the hottest month for Whitewood with an average high temperature of 86.6°, which ranks it as warmer than most places in South Dakota. In Whitewood, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Whitewood are June, September and August.

December has the coldest nighttime temperatures for Hillsboro with an average of 35.7°. This is warmer than most places in Oregon.

January has the coldest nighttime temperatures for Whitewood with an average of 16.3°. This is one of the warmest places in South Dakota.

In Hillsboro, there are 13.1 days annually when the high temperature is over 90°, which is cooler than most places in Oregon.

In Whitewood, there are 27.8 days annually when the high temperature is over 90°, which is hotter than most places in South Dakota.

In Hillsboro, there are 31.8 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In Whitewood, there are 146.5 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in South Dakota.

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

In Whitewood, there are 14.2 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in South Dakota.

December is the wettest month in Hillsboro with 6.3 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Spring with 42% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 39.2 inches in Hillsboro means that it is about average compared to other places in Oregon.


May is the wettest month in Whitewood with 3.7 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Summer with 36% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 21.0 inches in Whitewood means that it is drier than most places in South Dakota.

November is the rainiest month in Hillsboro with 20.2 days of rain, and August is the driest month with only 3.4 rainy days. There are 156.2 rainy days annually in Hillsboro, which is rainier than most places in Oregon. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 10% chance of a rainy day.

June is the rainiest month in Whitewood with 11.5 days of rain, and February is the driest month with only 5.6 rainy days. There are 90.5 rainy days annually in Whitewood, which is one of the rainiest places in South Dakota. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 19% chance of a rainy day.

An annual snowfall of 3.2 inches in Hillsboro means that it is about average compared to other places in Oregon.

An annual snowfall of 34.9 inches in Whitewood means that it is less snowy than most places in South Dakota.

December is the snowiest month in Hillsboro with 1.4 inches of snow, and 3 months of the year have significant snowfall.

March is the snowiest month in Whitewood with 7.9 inches of snow, and 8 months of the year have significant snowfall.