August is the hottest month for Seattle with an average high temperature of 76.3°, which ranks it as cooler than most places in Washington. In Seattle, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Seattle are August, July and September.

July is the hottest month for Keystone with an average high temperature of 81.2°, which ranks it as one of the coolest places in South Dakota. In Keystone, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Keystone are August, July and June.

December has the coldest nighttime temperatures for Seattle with an average of 35.9°. This is one of the warmest places in Washington.

December has the coldest nighttime temperatures for Keystone with an average of 11.6°. This is warmer than most places in South Dakota.

In Seattle, there are 1.7 days annually when the high temperature is over 90°, which is cooler than most places in Washington.

In Keystone, there are 9.3 days annually when the high temperature is over 90°, which is cooler than most places in South Dakota.

In Seattle, there are 24.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Washington.

In Keystone, there are 194.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in South Dakota.

In Seattle, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Washington.

In Keystone, there are 17.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in South Dakota.

November is the wettest month in Seattle with 6.2 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 39% of yearly precipitation and 9% occurs in Autumn, which is the driest season. The annual rainfall of 38.0 inches in Seattle means that it is about average compared to other places in Washington.


May is the wettest month in Keystone with 3.7 inches of rain, and the driest month is January with 0.3 inches. The wettest season is Autumn with 41% of yearly precipitation and 6% occurs in Spring, which is the driest season. The annual rainfall of 20.1 inches in Keystone means that it is drier than most places in South Dakota.

November is the rainiest month in Seattle with 18.7 days of rain, and August is the driest month with only 5.3 rainy days. There are 155.3 rainy days annually in Seattle, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 13% chance of a rainy day.

May is the rainiest month in Keystone with 11.6 days of rain, and November is the driest month with only 4.2 rainy days. There are 90.9 rainy days annually in Keystone, which is one of the rainiest places in South Dakota. The rainiest season is Autumn when it rains 34% of the time and the driest is Spring with only a 15% chance of a rainy day.

An annual snowfall of 4.6 inches in Seattle means that it is about average compared to other places in Washington.

An annual snowfall of 54.1 inches in Keystone means that it is one of the snowiest places in South Dakota.

December is the snowiest month in Seattle with 2.1 inches of snow, and 4 months of the year have significant snowfall.

April is the snowiest month in Keystone with 12.1 inches of snow, and 9 months of the year have significant snowfall.

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

 Most Recent Searches On Compare Climate & Weather