July is the hottest month for Oconomowoc with an average high temperature of 81.9°, which ranks it as warmer than most places in Wisconsin. In Oconomowoc, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Oconomowoc are June, August and July.

August is the hottest month for Sumner with an average high temperature of 76.4°, which ranks it as cooler than most places in Washington. In Sumner, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sumner are August, July and September.

January has the coldest nighttime temperatures for Oconomowoc with an average of 10.3°. This is warmer than most places in Wisconsin.

December has the coldest nighttime temperatures for Sumner with an average of 33.3°. This is about average compared to other places in Washington.

In Oconomowoc, there are 6.8 days annually when the high temperature is over 90°, which is hotter than most places in Wisconsin.

In Sumner, there are 3.2 days annually when the high temperature is over 90°, which is about average compared to other places in Washington.

In Oconomowoc, there are 147.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Wisconsin.

In Sumner, there are 49.4 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Washington.

In Oconomowoc, there are 17.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Wisconsin.

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

June is the wettest month in Oconomowoc with 4.6 inches of rain, and the driest month is January with 1.3 inches. The wettest season is Autumn with 37% of yearly precipitation and 13% occurs in Spring, which is the driest season. The annual rainfall of 36.0 inches in Oconomowoc means that it is wetter than most places in Wisconsin.


November is the wettest month in Sumner with 7.7 inches of rain, and the driest month is July with 1.3 inches. The wettest season is Spring with 34% of yearly precipitation and 11% occurs in Autumn, which is the driest season. The annual rainfall of 48.9 inches in Sumner means that it is wetter than most places in Washington.

May is the rainiest month in Oconomowoc with 12.8 days of rain, and February is the driest month with only 8.7 rainy days. There are 125.8 rainy days annually in Oconomowoc, which is one of the rainiest places in Wisconsin. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 23% chance of a rainy day.

November is the rainiest month in Sumner with 20.2 days of rain, and August is the driest month with only 5.7 rainy days. There are 172.4 rainy days annually in Sumner, which is rainier than most places in Washington. The rainiest season is Spring when it rains 31% of the time and the driest is Autumn with only a 13% chance of a rainy day.

An annual snowfall of 42.3 inches in Oconomowoc means that it is about average compared to other places in Wisconsin.

An annual snowfall of 4.7 inches in Sumner means that it is about average compared to other places in Washington.

December is the snowiest month in Oconomowoc with 12.1 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Sumner with 1.3 inches of snow, and 5 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