Warm-summer humid continental climate
Climate Oconomowoc - Wisconsin
Annual high56ºF
Annual low37ºF
Precipitation35.58 inch
| Month | HighºF | LowºF | Precipinch | Snowinch |
|---|---|---|---|---|
| Jan | 28 | 10 | 1.42 | 11 |
| Feb | 32 | 14 | 1.49 | 8 |
| Mar | 43 | 25 | 2.04 | 5 |
| Apr | 57 | 37 | 3.52 | 2 |
| May | 68 | 47 | 3.73 | 0 |
| Jun | 78 | 56 | 4.36 | 0 |
| Jul | 82 | 61 | 4.09 | 0 |
| Aug | 80 | 60 | 4.25 | 0 |
| Sep | 73 | 51 | 3.61 | 0 |
| Oct | 60 | 39 | 2.88 | 0 |
| Nov | 45 | 29 | 2.36 | 2 |
| Dec | 31 | 16 | 1.83 | 12 |
- JanHigh 28ºFLow 10ºFPrecip 1.42 inch
- FebHigh 32ºFLow 14ºFPrecip 1.49 inch
- MarHigh 43ºFLow 25ºFPrecip 2.04 inch
- AprHigh 57ºFLow 37ºFPrecip 3.52 inch
- MayHigh 68ºFLow 47ºFPrecip 3.73 inch
- JunHigh 78ºFLow 56ºFPrecip 4.36 inch
- JulHigh 82ºFLow 61ºFPrecip 4.09 inch
- AugHigh 80ºFLow 60ºFPrecip 4.25 inch
- SepHigh 73ºFLow 51ºFPrecip 3.61 inch
- OctHigh 60ºFLow 39ºFPrecip 2.88 inch
- NovHigh 45ºFLow 29ºFPrecip 2.36 inch
- DecHigh 31ºFLow 16ºFPrecip 1.83 inch
Climate summary
What is the average weather in Oconomowoc, Wisconsin?
Oconomowoc experiences a humid continental climate, marked by very large seasonal temperature contrasts. Summers are warm and fairly wet, with the most precipitation arriving in June. Winters are cold and snowy, bringing significant snowfall, while winter is the driest season overall. Precipitation is spread relatively evenly through the year, with winter moisture often arriving as snow.
Oconomowoc weather averages
Annual high56ºF
Annual low37ºF
Precipitation35.58 inch
Snowfall40 inch
Daily normals Oconomowoc - Wisconsin - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 29.6 | 13.6 | 0.06 | 0.06 | 0.30 | 0.30 |
| Jan 2 | 29.4 | 13.4 | 0.11 | 0.11 | 0.70 | 0.70 |
| Jan 3 | 29.3 | 13.1 | 0.17 | 0.17 | 1.00 | 1.00 |
| Jan 4 | 29.1 | 12.9 | 0.23 | 0.23 | 1.30 | 1.30 |
| Jan 5 | 28.9 | 12.7 | 0.28 | 0.28 | 1.70 | 1.70 |
| Jan 6 | 28.8 | 12.4 | 0.33 | 0.33 | 2.00 | 2.00 |
| Jan 7 | 28.6 | 12.2 | 0.39 | 0.39 | 2.40 | 2.40 |
| Jan 8 | 28.5 | 12.0 | 0.44 | 0.44 | 2.70 | 2.70 |
| Jan 9 | 28.4 | 11.8 | 0.49 | 0.49 | 3.10 | 3.10 |
| Jan 10 | 28.2 | 11.6 | 0.55 | 0.55 | 3.40 | 3.40 |
| Jan 11 | 28.1 | 11.4 | 0.60 | 0.60 | 3.80 | 3.80 |
| Jan 12 | 28.0 | 11.2 | 0.66 | 0.66 | 4.20 | 4.20 |
| Jan 13 | 27.9 | 11.1 | 0.71 | 0.71 | 4.50 | 4.50 |
| Jan 14 | 27.8 | 10.9 | 0.77 | 0.77 | 4.90 | 4.90 |
| Jan 15 | 27.7 | 10.7 | 0.82 | 0.82 | 5.30 | 5.30 |
| Jan 16 | 27.7 | 10.6 | 0.87 | 0.87 | 5.60 | 5.60 |
| Jan 17 | 27.6 | 10.5 | 0.93 | 0.93 | 6.00 | 6.00 |
| Jan 18 | 27.6 | 10.4 | 0.98 | 0.98 | 6.30 | 6.30 |
| Jan 19 | 27.5 | 10.3 | 1.04 | 1.04 | 6.70 | 6.70 |
| Jan 20 | 27.5 | 10.2 | 1.09 | 1.09 | 7.10 | 7.10 |
| Jan 21 | 27.5 | 10.1 | 1.14 | 1.14 | 7.40 | 7.40 |
| Jan 22 | 27.5 | 10.1 | 1.19 | 1.19 | 7.80 | 7.80 |
| Jan 23 | 27.5 | 10.0 | 1.24 | 1.24 | 8.20 | 8.20 |
| Jan 24 | 27.5 | 10.0 | 1.29 | 1.29 | 8.50 | 8.50 |
| Jan 25 | 27.6 | 10.0 | 1.35 | 1.35 | 8.90 | 8.90 |
| Jan 26 | 27.6 | 10.0 | 1.40 | 1.40 | 9.30 | 9.30 |
| Jan 27 | 27.7 | 10.1 | 1.45 | 1.45 | 9.60 | 9.60 |
| Jan 28 | 27.8 | 10.1 | 1.50 | 1.50 | 10.00 | 10.00 |
| Jan 29 | 27.9 | 10.2 | 1.55 | 1.55 | 10.40 | 10.40 |
| Jan 30 | 28.0 | 10.3 | 1.60 | 1.60 | 10.70 | 10.70 |
| Jan 31 | 28.1 | 10.4 | 1.65 | 1.65 | 11.10 | 11.10 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Oconomowoc - November 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Nov 1 | 60.1 | 46.0 | 0.04 |
| Nov 2 | 69.1 | 48.0 | 0.00 |
| Nov 3 | 64.9 | 55.0 | 0.08 |
| Nov 4 | 66.9 | 60.1 | 0.67 |
| Nov 5 | 62.1 | 46.9 | T |
| Nov 6 | – | – | – |
| Nov 7 | 48.9 | 27.0 | 0.00 |
| Nov 8 | 53.1 | 39.0 | 0.00 |
| Nov 9 | 61.0 | 30.9 | 0.00 |
| Nov 10 | 60.1 | 32.0 | 0.00 |
| Nov 11 | – | – | – |
| Nov 12 | – | – | – |
| Nov 13 | – | – | – |
| Nov 14 | – | – | – |
| Nov 15 | – | – | – |
| Nov 16 | – | – | – |
| Nov 17 | – | – | – |
| Nov 18 | – | – | – |
| Nov 19 | – | – | – |
| Nov 20 | – | – | – |
| Nov 21 | – | – | – |
| Nov 22 | – | – | – |
| Nov 23 | – | – | – |
| Nov 24 | – | – | – |
| Nov 25 | – | – | – |
| Nov 26 | – | – | – |
| Nov 27 | – | – | – |
| Nov 28 | – | – | – |
| Nov 29 | – | – | – |
| Nov 30 | – | – | – |
The data for November 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 temperature69.1ºF · Nov 2
- Lowest max temperature48.9ºF · Nov 7
- Highest min temperature60.1ºF · Nov 4
- Lowest min temperature27.0ºF · Nov 7
Geo Oconomowoc - Wisconsin
Location
- Country
- United States
- State
- Wisconsin
- County
- Waukesha
- City
- Oconomowoc
- Zip Code
- 53066
- Elevation
- 823 ft
- Longitude
- -88.50
- Latitude
- 43.11
- ICAO
- –
- IATA
- –