2025 Compare Climate & Weather:
Fort Smith, AR vs Siloam Springs, AR

Highlights

On average, there are 218 sunny days per year in Siloam Springs. Fort Smith averages 214 sunny days per year. The US average is 205 sunny days.

Siloam Springs, Arkansas gets 47.7 inches of rain, on average, per year. Fort Smith, Arkansas gets 47.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Siloam Springs averages 10.6 inches of snow per year. Fort Smith averages 4.1 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Siloam Springs, Arkansas
Summer High: the July high is around 90.4 degrees
Winter Low: the January low is 26.4
Rain: averages 47.7 inches of rain a year
Snow: averages 10.6 inches of snow a year

Fort Smith, Arkansas
Summer High: the July high is around 92.6 degrees
Winter Low: the January low is 28.2
Rain: averages 47.7 inches of rain a year
Snow: averages 4.1 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Siloam Springs is 7.4 (10=best), which means it is one of the most pleasant places in Arkansas.

The annual BestPlaces Comfort Index for Fort Smith is 7.1 (10=best), which means it is about average compared to other places in Arkansas.

Today's Weather - Fort Smith, AR

65°F

Today's Weather - Siloam Springs, AR

62°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Fort Smith / Siloam Springs

August is the hottest month for Fort Smith with an average high temperature of 93.0°, which ranks it as one of the hottest places in Arkansas. In Fort Smith, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Fort Smith are May, October and April.

August is the hottest month for Siloam Springs with an average high temperature of 90.9°, which ranks it as cooler than most places in Arkansas. In Siloam Springs, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Siloam Springs are May, September and October.

January has the coldest nighttime temperatures for Fort Smith with an average of 28.2°. This is about average compared to other places in Arkansas.

January has the coldest nighttime temperatures for Siloam Springs with an average of 26.4°. This is colder than most places in Arkansas.

In Fort Smith, there are 64.8 days annually when the high temperature is over 90°, which is hotter than most places in Arkansas.

In Siloam Springs, there are 44.6 days annually when the high temperature is over 90°, which is cooler than most places in Arkansas.

In Fort Smith, there are 68.0 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Arkansas.

In Siloam Springs, there are 80.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Arkansas.

In Fort Smith, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Arkansas.

In Siloam Springs, there are 0.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Arkansas.

May is the wettest month in Fort Smith with 5.6 inches of rain, and the driest month is August with 2.6 inches. The wettest season is Summer with 30% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 47.7 inches in Fort Smith means that it is drier than most places in Arkansas.


May is the wettest month in Siloam Springs with 5.6 inches of rain, and the driest month is January with 2.6 inches. The wettest season is Summer with 30% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 47.7 inches in Siloam Springs means that it is drier than most places in Arkansas.

May is the rainiest month in Fort Smith with 9.9 days of rain, and August is the driest month with only 5.7 rainy days. There are 88.7 rainy days annually in Fort Smith, which is less rainy than most places in Arkansas. The rainiest season is Summer when it rains 30% of the time and the driest is Autumn with only a 22% chance of a rainy day.

May is the rainiest month in Siloam Springs with 10.1 days of rain, and January is the driest month with only 6.0 rainy days. There are 89.9 rainy days annually in Siloam Springs, which is less rainy than most places in Arkansas. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 22% chance of a rainy day.

An annual snowfall of 4.1 inches in Fort Smith means that it is snowier than most places in Arkansas.

An annual snowfall of 10.6 inches in Siloam Springs means that it is one of the snowiest places in Arkansas.

January is the snowiest month in Fort Smith with 2.0 inches of snow, and 3 months of the year have significant snowfall.

January is the snowiest month in Siloam Springs with 3.2 inches of snow, and 4 months of the year have significant snowfall.