2025 Compare Climate & Weather:
Butler, PA vs Spearfish, SD

Highlights

On average, there are 227 sunny days per year in Spearfish. Butler averages 162 sunny days per year. The US average is 205 sunny days.

Spearfish, South Dakota gets 21.3 inches of rain, on average, per year. Butler, Pennsylvania gets 42.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Spearfish averages 56.4 inches of snow per year. Butler averages 38.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Butler, Pennsylvania
Summer High: the July high is around 82 degrees
Winter Low: the January low is 17.9
Rain: averages 42.6 inches of rain a year
Snow: averages 38.8 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Butler is 6.7 (10=best), which means it is less comfortable than most places in Pennsylvania.

Today's Weather - Butler, PA

51°F

Today's Weather - Spearfish, SD

74°F

Average Monthly High / Low (°F)

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

July is the hottest month for Butler with an average high temperature of 82.0°, which ranks it as cooler than most places in Pennsylvania. In Butler, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Butler are June, August and September.

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.

January has the coldest nighttime temperatures for Butler with an average of 17.9°. This is colder than most places in Pennsylvania.

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

In Butler, there are 5.9 days annually when the high temperature is over 90°, which is cooler than most places in Pennsylvania.

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 Butler, there are 135.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Pennsylvania.

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 Butler, there are 5.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Pennsylvania.

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.

July is the wettest month in Butler with 4.4 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Autumn with 30% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 42.6 inches in Butler means that it is about average compared to other places in Pennsylvania.


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.

January is the rainiest month in Butler with 16.4 days of rain, and August is the driest month with only 10.4 rainy days. There are 158.9 rainy days annually in Butler, which is rainier than most places in Pennsylvania. The rainiest season is Spring when it rains 28% of the time and the driest is Autumn with only a 22% chance of a rainy day.

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.

An annual snowfall of 38.8 inches in Butler means that it is snowier than most places in Pennsylvania.

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

January is the snowiest month in Butler with 11.9 inches of snow, and 6 months of the year have significant snowfall.

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