2025 Compare Climate & Weather:
Erie, PA vs Sioux Falls, SD

Highlights

On average, there are 211 sunny days per year in Sioux Falls. Erie averages 157 sunny days per year. The US average is 205 sunny days.

Sioux Falls, South Dakota gets 26.7 inches of rain, on average, per year. Erie, Pennsylvania gets 44.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Sioux Falls averages 37.6 inches of snow per year. Erie averages 101.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Sioux Falls, South Dakota
Summer High: the July high is around 83.5 degrees
Winter Low: the January low is 6.3
Rain: averages 26.7 inches of rain a year
Snow: averages 37.6 inches of snow a year

Erie, Pennsylvania
Summer High: the July high is around 80.6 degrees
Winter Low: the January low is 19.5
Rain: averages 44.1 inches of rain a year
Snow: averages 101.4 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Sioux Falls is 6.8 (10=best), which means it is about average compared to other places in South Dakota.

The annual BestPlaces Comfort Index for Erie is 6.4 (10=best), which means it is one of the least comfortable places in Pennsylvania.

Today's Weather - Erie, PA

41°F

Today's Weather - Sioux Falls, SD

47°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Erie / Sioux Falls

July is the hottest month for Erie with an average high temperature of 80.6°, which ranks it as cooler than most places in Pennsylvania. In Erie, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Erie are August, June and July.

July is the hottest month for Sioux Falls with an average high temperature of 83.5°, which ranks it as cooler than most places in South Dakota. In Sioux Falls, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sioux Falls are June, August and September.

January has the coldest nighttime temperatures for Erie with an average of 19.5°. This is about average compared to other places in Pennsylvania.

January has the coldest nighttime temperatures for Sioux Falls with an average of 6.3°. This is about average compared to other places in South Dakota.

In Erie, there are 4.1 days annually when the high temperature is over 90°, which is cooler than most places in Pennsylvania.

In Sioux Falls, there are 11.2 days annually when the high temperature is over 90°, which is cooler than most places in South Dakota.

In Erie, there are 120.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Pennsylvania.

In Sioux Falls, there are 161.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Dakota.

In Erie, there are 2.9 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Pennsylvania.

In Sioux Falls, there are 26.3 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Dakota.

September is the wettest month in Erie with 4.7 inches of rain, and the driest month is February with 2.4 inches. The wettest season is Winter with 29% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 44.1 inches in Erie means that it is wetter than most places in Pennsylvania.


June is the wettest month in Sioux Falls with 4.0 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Autumn with 38% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 26.7 inches in Sioux Falls means that it is wetter than most places in South Dakota.

January is the rainiest month in Erie with 19.5 days of rain, and July is the driest month with only 10.8 rainy days. There are 171.3 rainy days annually in Erie, which is one of the rainiest places in Pennsylvania. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 20% chance of a rainy day.

May is the rainiest month in Sioux Falls with 10.8 days of rain, and February is the driest month with only 5.1 rainy days. There are 90.1 rainy days annually in Sioux Falls, which is one of the rainiest places in South Dakota. The rainiest season is Autumn when it rains 30% of the time and the driest is Spring with only a 17% chance of a rainy day.

An annual snowfall of 101.4 inches in Erie means that it is one of the snowiest places in Pennsylvania.

An annual snowfall of 37.6 inches in Sioux Falls means that it is about average compared to other places in South Dakota.

January is the snowiest month in Erie with 30.0 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Sioux Falls with 7.0 inches of snow, and 7 months of the year have significant snowfall.