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Climate & Weather Averages in Lake Como, Wisconsin, USA

Currently: 75 °F. More clouds than sun. (Weather station: Janesville / Rock County, USA). See more current weather

Annual Weather Averages in Janesville / Rock County

Janesville / Rock County is 28 miles from Lake Como, so the actual climate in Lake Como can vary a bit.

Based on weather reports collected during 1992–2021.

Jan
29
12
1.7
Feb
32
15
1.64
Mar
44
25
1.98
Apr
58
35
3.53
May
70
47
4.04
Jun
80
58
4.85
Jul
83
62
4.21
Aug
82
60
4.33
Sep
75
51
3.62
Oct
62
39
3.03
Nov
46
29
2.22
Dec
34
19
1.91

All Year Climate & Weather Averages in Lake Como

High Temp: 83 °F

Low Temp: 12 °F

Mean Temp: 48 °F

Precipitation: 3.09"

Humidity: 74%

Dew Point: 40 °F

Wind: 15 mph

Pressure: 30.02 "Hg

Visibility: 9 mi

January Climate & Weather Averages in Lake Como

High Temp: 29 °F

Low Temp: 12 °F

Mean Temp: 20 °F

Precipitation: 1.70"

Humidity: 80%

Dew Point: 17 °F

Wind: 17 mph

Pressure: 30.08 "Hg

Visibility: 8 mi

February Climate & Weather Averages in Lake Como

High Temp: 32 °F

Low Temp: 15 °F

Mean Temp: 23 °F

Precipitation: 1.64"

Humidity: 76%

Dew Point: 19 °F

Wind: 17 mph

Pressure: 30.07 "Hg

Visibility: 9 mi

March Climate & Weather Averages in Lake Como

High Temp: 44 °F

Low Temp: 25 °F

Mean Temp: 35 °F

Precipitation: 1.98"

Humidity: 72%

Dew Point: 27 °F

Wind: 17 mph

Pressure: 30.06 "Hg

Visibility: 9 mi

April Climate & Weather Averages in Lake Como

High Temp: 58 °F

Low Temp: 35 °F

Mean Temp: 47 °F

Precipitation: 3.53"

Humidity: 66%

Dew Point: 35 °F

Wind: 18 mph

Pressure: 29.96 "Hg

Visibility: 9 mi

May Climate & Weather Averages in Lake Como

High Temp: 70 °F

Low Temp: 47 °F

Mean Temp: 58 °F

Precipitation: 4.04"

Humidity: 69%

Dew Point: 47 °F

Wind: 16 mph

Pressure: 29.96 "Hg

Visibility: 10 mi

June Climate & Weather Averages in Lake Como

High Temp: 80 °F

Low Temp: 58 °F

Mean Temp: 69 °F

Precipitation: 4.85"

Humidity: 72%

Dew Point: 58 °F

Wind: 13 mph

Pressure: 29.94 "Hg

Visibility: 9 mi

July Climate & Weather Averages in Lake Como

High Temp: 83 °F

Low Temp: 62 °F

Mean Temp: 72 °F

Precipitation: 4.21"

Humidity: 76%

Dew Point: 63 °F

Wind: 12 mph

Pressure: 29.98 "Hg

Visibility: 9 mi

August Climate & Weather Averages in Lake Como

High Temp: 82 °F

Low Temp: 60 °F

Mean Temp: 71 °F

Precipitation: 4.33"

Humidity: 78%

Dew Point: 62 °F

Wind: 10 mph

Pressure: 30.01 "Hg

Visibility: 9 mi

September Climate & Weather Averages in Lake Como

High Temp: 75 °F

Low Temp: 51 °F

Mean Temp: 63 °F

Precipitation: 3.62"

Humidity: 75%

Dew Point: 54 °F

Wind: 12 mph

Pressure: 30.04 "Hg

Visibility: 9 mi

October Climate & Weather Averages in Lake Como

High Temp: 62 °F

Low Temp: 39 °F

Mean Temp: 51 °F

Precipitation: 3.03"

Humidity: 74%

Dew Point: 42 °F

Wind: 14 mph

Pressure: 30.03 "Hg

Visibility: 9 mi

November Climate & Weather Averages in Lake Como

High Temp: 46 °F

Low Temp: 29 °F

Mean Temp: 38 °F

Precipitation: 2.22"

Humidity: 76%

Dew Point: 30 °F

Wind: 16 mph

Pressure: 30.06 "Hg

Visibility: 9 mi

December Climate & Weather Averages in Lake Como

High Temp: 34 °F

Low Temp: 19 °F

Mean Temp: 26 °F

Precipitation: 1.91"

Humidity: 81%

Dew Point: 22 °F

Wind: 16 mph

Pressure: 30.06 "Hg

Visibility: 8 mi

Quick Climate Info

Hottest MonthJuly (72 °F avg)
Coldest MonthJanuary (20 °F avg)
Wettest MonthJune (4.85" avg)
Windiest MonthApril (18 mph avg)
Annual precip.37.06" (per year)

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