Weathermondo.comWaukesha climate and temperatures
The climate of Waukesha is a continental climate (Köppen: Dfa), with cold winters, warm summers, and precipitation spread throughout the year. Monthly temperatures range from a minimum of -2°C in winter (December–February) to a maximum of 27°C in summer (June–August). The average annual temperature is around 14°C.
During the winter months, nighttime temperatures can drop to an average of -11°C, while summer nights average around 15°C.
Climate table of Waukesha
The climate table below gives you a clear overview of the climate in Waukesha by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 14 | 16 | 17 | 19 | 23 | 27 | 30 | 30 | 27 | 23 | 18 | 16 |
| Temp. min (°C) | 6 | 7 | 9 | 11 | 15 | 19 | 22 | 22 | 19 | 15 | 10 | 7 |
| Rainfall |  |
|
|
|
|
|
|
|
|
|
|
|
| Rainfall (mm) | 46 | 34 | 46 | 64 | 43 | 23 | 22 | 75 | 77 | 84 | 61 | 25 |
| UV index | 4 | 5 | 6 | 7 | 8 | 8 | 8 | 8 | 6 | 5 | 4 | 4 |
Best time to visit Waukesha
The best time to visit Waukesha is June, July, August en September. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Between June and September, average high temperatures range roughly from 26°C to 24°C, while rainfall remains limited. The warmest month is July, with an average daytime temperature of around 27°C. The driest month is December, with about 36 mm of rainfall, while June is usually the wettest month of the year, with approximately 144 mm. Snow is rare here, but may occasionally fall in October, December, January, February, March, April en November.
Average temperature per month
This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in Waukesha. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.
Average rainfall per month
This chart shows the average monthly rainfall in Waukesha. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.
Average UV index per month
This chart shows the average monthly sun intensity in Waukesha. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.
Average annual temperature
This chart shows the average annual temperature in Waukesha based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.
Average annual rainfall
This chart shows the average annual rainfall in Waukesha over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.
Weather experiences in Waukesha
The weather in Waukesha is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Waukesha? Share your experience with the weather to help other visitors plan their trip.
Average weather per month
Click on a month below and discover what the weather in Waukesha is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.