Weather

Spring

As the rivers, lake and streams start to swell from the melting snow, spring growth appears. In spring vibrant flowers and vegetation to start to break through the ground giving off new aromas and punches of color. Average temperature for spring is 48°F.

Summer

The comfortably warm summers of Wisconsin appeals to thousands of vacationers each year with average summer temperatures about 72°F. Summer temperatures do occasionally reach above 90°F in Waukesha County.

Fall

In fall, the leaves are changing; the weather is crisp and the days are filled with celebration and fun. Average temperatures for fall is 56°F.

Winter

During the colder, snowy winters, Wisconsin is a favorite for a variety of winter sports and to celebrate the holidays. If you’re dreaming of a white Christmas, there is a 60% chance that there will be at least 1” of snowfall at Christmas time.[1] The average temperature during the winter season is about 23°F.

Average Temperatures for Waukesha County
(Normal High/Normal Low)