2025 Compare Climate & Weather:
Glenview, IL vs Spearfish, SD

Highlights

On average, there are 227 sunny days per year in Spearfish. Glenview averages 186 sunny days per year. The US average is 205 sunny days.

Spearfish, South Dakota gets 21.3 inches of rain, on average, per year. Glenview, Illinois gets 36.3 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. Glenview averages 36 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

Glenview, Illinois
Summer High: the July high is around 83 degrees
Winter Low: the January low is 16.8
Rain: averages 36.3 inches of rain a year
Snow: averages 36 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 Glenview is 6.9 (10=best), which means it is less comfortable than most places in Illinois.

Today's Weather - Glenview, IL

49°F

Today's Weather - Spearfish, SD

63°F

Average Monthly High / Low (°F)

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

July is the hottest month for Glenview with an average high temperature of 83.0°, which ranks it as one of the coolest places in Illinois. In Glenview, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Glenview are June, September and August.

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 Glenview with an average of 16.8°. This is about average compared to other places in Illinois.

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 Glenview, there are 13.9 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

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 Glenview, there are 122.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Illinois.

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 Glenview, there are 6.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Illinois.

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.

August is the wettest month in Glenview with 4.3 inches of rain, and the driest month is February with 1.6 inches. The wettest season is Autumn with 32% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 36.3 inches in Glenview means that it is one of the driest places in Illinois.


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.

April is the rainiest month in Glenview with 12.2 days of rain, and February is the driest month with only 8.3 rainy days. There are 125.3 rainy days annually in Glenview, which is one of the rainiest places in Illinois. The rainiest season is Summer when it rains 28% of the time and the driest is Spring with only a 23% 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 36.0 inches in Glenview means that it is one of the snowiest places in Illinois.

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 Glenview with 11.3 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.