2025 Compare Climate & Weather:
Spearfish, SD vs Ashland, OR

Highlights

On average, there are 198 sunny days per year in Ashland. Spearfish averages 227 sunny days per year. The US average is 205 sunny days.

Ashland, Oregon gets 22.3 inches of rain, on average, per year. Spearfish, South Dakota gets 21.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Ashland averages 3.7 inches of snow per year. Spearfish averages 56.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Ashland, Oregon
Summer High: the July high is around 88.5 degrees
Winter Low: the January low is 29.5
Rain: averages 22.3 inches of rain a year
Snow: averages 3.7 inches of snow a year

Spearfish, South Dakota
Summer High: the July high is around 87.6 degrees
Winter Low: the January low is 17
Rain: averages 21.3 inches of rain a year
Snow: averages 56.4 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Spearfish is 6.9 (10=best), which means it is more comfortable than most places in South Dakota.

Today's Weather - Spearfish, SD

81°F

Today's Weather - Ashland, OR

52°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Spearfish / Ashland

July is the hottest month for Spearfish with an average high temperature of 87.6°, which ranks it as warmer than most places in South Dakota. In Spearfish, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Spearfish are June, September and August.

July is the hottest month for Ashland with an average high temperature of 88.5°, which ranks it as warmer than most places in Oregon. In Ashland, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Ashland are June, September and May.

January has the coldest nighttime temperatures for Spearfish with an average of 17.0°. This is one of the warmest places in South Dakota.

January has the coldest nighttime temperatures for Ashland with an average of 29.5°. This is colder than most places in Oregon.

In Spearfish, there are 31.3 days annually when the high temperature is over 90°, which is hotter than most places in South Dakota.

In Ashland, there are 38.5 days annually when the high temperature is over 90°, which is hotter than most places in Oregon.

In Spearfish, there are 144.6 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in South Dakota.

In Ashland, there are 103.3 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Oregon.

In Spearfish, there are 12.9 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in South Dakota.

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

May is the wettest month in Spearfish with 3.6 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Summer with 34% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 21.3 inches in Spearfish means that it is drier than most places in South Dakota.


December is the wettest month in Ashland with 4.1 inches of rain, and the driest month is July with 0.5 inches. The wettest season is Spring with 41% of yearly precipitation and 8% occurs in Autumn, which is the driest season. The annual rainfall of 22.3 inches in Ashland means that it is drier than most places in Oregon.

June is the rainiest month in Spearfish with 11.7 days of rain, and February is the driest month with only 5.5 rainy days. There are 90.3 rainy days annually in Spearfish, which is one of the rainiest places in South Dakota. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 19% chance of a rainy day.

December is the rainiest month in Ashland with 14.5 days of rain, and July is the driest month with only 2.3 rainy days. There are 109.2 rainy days annually in Ashland, which is less rainy than most places in Oregon. The rainiest season is Spring when it rains 36% of the time and the driest is Autumn with only a 9% chance of a rainy day.

An annual snowfall of 56.4 inches in Spearfish means that it is one of the snowiest places in South Dakota.

An annual snowfall of 3.7 inches in Ashland means that it is about average compared to other places in Oregon.

March is the snowiest month in Spearfish with 10.8 inches of snow, and 8 months of the year have significant snowfall.

December is the snowiest month in Ashland with 1.2 inches of snow, and 4 months of the year have significant snowfall.