2025 Compare Climate & Weather:
Tulsa, OK vs Deadwood, SD

Highlights

On average, there are 230 sunny days per year in Deadwood. Tulsa averages 227 sunny days per year. The US average is 205 sunny days.

Deadwood, South Dakota gets 30 inches of rain, on average, per year. Tulsa, Oklahoma gets 42 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Deadwood averages 137.7 inches of snow per year. Tulsa averages 5.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Deadwood, South Dakota
Summer High: the July high is around 80.2 degrees
Winter Low: the January low is 11.4
Rain: averages 30 inches of rain a year
Snow: averages 137.7 inches of snow a year

Tulsa, Oklahoma
Summer High: the July high is around 93 degrees
Winter Low: the January low is 26
Rain: averages 42 inches of rain a year
Snow: averages 5.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Deadwood is 6.1 (10=best), which means it is one of the least comfortable places in South Dakota.

The annual BestPlaces Comfort Index for Tulsa is 7.2 (10=best), which means it is about average compared to other places in Oklahoma.

Today's Weather - Tulsa, OK

62°F

Today's Weather - Deadwood, SD

41°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Tulsa / Deadwood

August is the hottest month for Tulsa with an average high temperature of 93.1°, which ranks it as cooler than most places in Oklahoma. In Tulsa, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Tulsa are May, October and April.

July is the hottest month for Deadwood with an average high temperature of 80.2°, which ranks it as one of the coolest places in South Dakota. In Deadwood, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Deadwood are August, July and June.

January has the coldest nighttime temperatures for Tulsa with an average of 26.0°. This is about average compared to other places in Oklahoma.

December has the coldest nighttime temperatures for Deadwood with an average of 11.0°. This is warmer than most places in South Dakota.

In Tulsa, there are 65.5 days annually when the high temperature is over 90°, which is about average compared to other places in Oklahoma.

In Deadwood, there are 6.9 days annually when the high temperature is over 90°, which is one of the coolest places in South Dakota.

In Tulsa, there are 79.4 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Oklahoma.

In Deadwood, there are 203.2 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Dakota.

In Tulsa, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Oklahoma.

In Deadwood, there are 23.7 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Dakota.

May is the wettest month in Tulsa with 5.9 inches of rain, and the driest month is January with 1.8 inches. The wettest season is Summer with 31% of yearly precipitation and 15% occurs in Spring, which is the driest season. The annual rainfall of 42.0 inches in Tulsa means that it is about average compared to other places in Oklahoma.


May is the wettest month in Deadwood with 4.8 inches of rain, and the driest month is January with 1.3 inches. The wettest season is Summer with 35% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 30.0 inches in Deadwood means that it is one of the wettest places in South Dakota.

May is the rainiest month in Tulsa with 9.2 days of rain, and January is the driest month with only 4.7 rainy days. There are 78.2 rainy days annually in Tulsa, which is about average compared to other places in Oklahoma. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 20% chance of a rainy day.

May is the rainiest month in Deadwood with 12.7 days of rain, and November is the driest month with only 7.3 rainy days. There are 110.8 rainy days annually in Deadwood, which is one of the rainiest places in South Dakota. The rainiest season is Summer when it rains 29% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 5.6 inches in Tulsa means that it is about average compared to other places in Oklahoma.

An annual snowfall of 137.7 inches in Deadwood means that it is one of the snowiest places in South Dakota.

January is the snowiest month in Tulsa with 1.8 inches of snow, and 4 months of the year have significant snowfall.

April is the snowiest month in Deadwood with 24.1 inches of snow, and 9 months of the year have significant snowfall.