Warm-summer humid continental climate
Climate Waukesha - Wisconsin
Annual high56ºF
Annual low36ºF
Precipitation34.61 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 28 | 11 | 1.45 | 12 |
| Feb | 32 | 14 | 1.42 | 8 |
| Mar | 43 | 24 | 1.78 | 6 |
| Apr | 56 | 35 | 3.39 | 2 |
| May | 68 | 45 | 3.49 | 0 |
| Jun | 78 | 55 | 4.36 | 0 |
| Jul | 82 | 60 | 3.85 | 0 |
| Aug | 80 | 59 | 4.58 | 0 |
| Sep | 73 | 50 | 3.39 | 0 |
| Oct | 60 | 38 | 2.61 | 0 |
| Nov | 45 | 28 | 2.48 | 2 |
| Dec | 31 | 15 | 1.81 | 10 |
- JanHigh 28ºFLow 11ºFPrecip 1.45 inch
- FebHigh 32ºFLow 14ºFPrecip 1.42 inch
- MarHigh 43ºFLow 24ºFPrecip 1.78 inch
- AprHigh 56ºFLow 35ºFPrecip 3.39 inch
- MayHigh 68ºFLow 45ºFPrecip 3.49 inch
- JunHigh 78ºFLow 55ºFPrecip 4.36 inch
- JulHigh 82ºFLow 60ºFPrecip 3.85 inch
- AugHigh 80ºFLow 59ºFPrecip 4.58 inch
- SepHigh 73ºFLow 50ºFPrecip 3.39 inch
- OctHigh 60ºFLow 38ºFPrecip 2.61 inch
- NovHigh 45ºFLow 28ºFPrecip 2.48 inch
- DecHigh 31ºFLow 15ºFPrecip 1.81 inch
Climate summary
What is the average weather in Waukesha, Wisconsin?
Waukesha experiences a humid continental climate, marked by very strong seasonal contrasts. Summers are warm and bring the most precipitation, with August typically being the wettest month. Winters are cold and snowy, featuring significant snowfall. Precipitation is spread relatively evenly throughout the year, with winter moisture often arriving as snow.
Waukesha weather averages
Annual high56ºF
Annual low36ºF
Precipitation34.61 inch
Snowfall40 inch
Daily normals Waukesha - Wisconsin - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 29.4 | 14.1 | 0.05 | 0.05 | 0.30 | 0.30 |
| Jan 2 | 29.2 | 13.9 | 0.11 | 0.11 | 0.60 | 0.60 |
| Jan 3 | 29.0 | 13.6 | 0.16 | 0.16 | 0.90 | 0.90 |
| Jan 4 | 28.9 | 13.4 | 0.21 | 0.21 | 1.30 | 1.30 |
| Jan 5 | 28.7 | 13.2 | 0.26 | 0.26 | 1.60 | 1.60 |
| Jan 6 | 28.6 | 12.9 | 0.31 | 0.31 | 1.90 | 1.90 |
| Jan 7 | 28.4 | 12.7 | 0.36 | 0.36 | 2.20 | 2.20 |
| Jan 8 | 28.2 | 12.5 | 0.42 | 0.42 | 2.50 | 2.50 |
| Jan 9 | 28.1 | 12.3 | 0.47 | 0.47 | 2.90 | 2.90 |
| Jan 10 | 28.0 | 12.1 | 0.52 | 0.52 | 3.20 | 3.20 |
| Jan 11 | 27.8 | 11.9 | 0.57 | 0.57 | 3.60 | 3.60 |
| Jan 12 | 27.7 | 11.7 | 0.63 | 0.63 | 3.90 | 3.90 |
| Jan 13 | 27.6 | 11.5 | 0.68 | 0.68 | 4.30 | 4.30 |
| Jan 14 | 27.5 | 11.4 | 0.73 | 0.73 | 4.60 | 4.60 |
| Jan 15 | 27.4 | 11.2 | 0.78 | 0.78 | 4.90 | 4.90 |
| Jan 16 | 27.3 | 11.1 | 0.83 | 0.83 | 5.30 | 5.30 |
| Jan 17 | 27.2 | 11.0 | 0.89 | 0.89 | 5.60 | 5.60 |
| Jan 18 | 27.1 | 10.8 | 0.94 | 0.94 | 6.00 | 6.00 |
| Jan 19 | 27.1 | 10.7 | 0.99 | 0.99 | 6.30 | 6.30 |
| Jan 20 | 27.0 | 10.7 | 1.04 | 1.04 | 6.70 | 6.70 |
| Jan 21 | 27.0 | 10.6 | 1.09 | 1.09 | 7.00 | 7.00 |
| Jan 22 | 27.0 | 10.6 | 1.14 | 1.14 | 7.40 | 7.40 |
| Jan 23 | 27.0 | 10.5 | 1.19 | 1.19 | 7.70 | 7.70 |
| Jan 24 | 27.0 | 10.5 | 1.24 | 1.24 | 8.00 | 8.00 |
| Jan 25 | 27.0 | 10.5 | 1.29 | 1.29 | 8.40 | 8.40 |
| Jan 26 | 27.1 | 10.5 | 1.34 | 1.34 | 8.70 | 8.70 |
| Jan 27 | 27.1 | 10.6 | 1.39 | 1.39 | 9.00 | 9.00 |
| Jan 28 | 27.2 | 10.6 | 1.44 | 1.44 | 9.40 | 9.40 |
| Jan 29 | 27.3 | 10.7 | 1.49 | 1.49 | 9.70 | 9.70 |
| Jan 30 | 27.4 | 10.8 | 1.55 | 1.55 | 10.10 | 10.10 |
| Jan 31 | 27.5 | 10.9 | 1.60 | 1.60 | 10.40 | 10.40 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Waukesha - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | 87.1 | 66.9 | 0.00 |
| Sep 2 | 87.1 | 72.0 | 0.09 |
| Sep 3 | – | – | – |
| Sep 4 | – | – | – |
| Sep 5 | – | – | – |
| Sep 6 | 81.0 | 64.0 | 0.00 |
| Sep 7 | 78.1 | 57.9 | 0.00 |
| Sep 8 | 79.0 | 57.9 | 0.00 |
| Sep 9 | 78.1 | 62.1 | 0.00 |
| Sep 10 | 82.9 | 57.0 | 0.00 |
| Sep 11 | 79.0 | 55.9 | 0.00 |
| Sep 12 | 79.0 | 55.0 | 0.00 |
| Sep 13 | 81.0 | 55.0 | 0.00 |
| Sep 14 | – | – | – |
| Sep 15 | 71.1 | 48.0 | 0.12 |
| Sep 16 | 73.9 | 57.0 | 0.06 |
| Sep 17 | 69.1 | 60.1 | 0.05 |
| Sep 18 | 66.0 | 61.0 | 0.03 |
| Sep 19 | 68.0 | 60.1 | 2.25 |
| Sep 20 | 66.0 | 61.0 | 1.52 |
| Sep 21 | 69.1 | 59.0 | 0.02 |
| Sep 22 | 64.0 | 54.0 | 0.00 |
| Sep 23 | 69.1 | 48.9 | 0.06 |
| Sep 24 | 66.0 | 51.1 | 0.00 |
| Sep 25 | 70.0 | 55.9 | 0.00 |
| Sep 26 | 69.1 | 46.0 | 0.00 |
| Sep 27 | 69.1 | 44.1 | 0.00 |
| Sep 28 | 71.1 | 45.0 | 0.00 |
| Sep 29 | 75.9 | 46.9 | 0.00 |
| Sep 30 | 77.0 | 51.1 | 0.30 |
The data for September 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature87.1ºF · Sep 1
- Lowest max temperature64.0ºF · Sep 22
- Highest min temperature72.0ºF · Sep 2
- Lowest min temperature44.1ºF · Sep 27
Geo Waukesha - Wisconsin
Location
- Country
- United States
- State
- Wisconsin
- County
- Waukesha
- City
- Waukesha
- Zip Code
- 53188
- Elevation
- 902 ft
- Longitude
- -88.24
- Latitude
- 43.04
- ICAO
- –
- IATA
- –