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Janesville Weather, Forecast, Temperature and Precipitation

Janesville Weather Related Indexes Graph

2010 Weather Summary Janesville, WI Wisconsin United States
Weather Index 10 19 100
Hail Index 94 96 100
Hurricane Index 1 4 100
Tornado Index 73 91 100
 
Annual Maximum Avg. Temperature 56.0 °F 55.0 °F N/A
Annual Minimum Avg. Temperature 35.0 °F 36.0 °F N/A
Annual Avg. Temperature 45.2 °F 45.6 °F N/A
Annual Heating Degree Days (Tot Degrees < 65) 7,673 7,637 N/A
Annual Cooling Degree Days (Tot Degrees > 65) 485 580 N/A
Percent of Possible Sunshine 54 54 N/A
Mean Sky Cover (Sunrise to Sunset - Out of 10) 7 6 N/A
Mean Number of Days Clear (Out of 365 Days) 90 92 N/A
Mean Number of Days Rain (Out of 365 Days) 120 116 N/A
Mean Number of Days Snow (Out of 365 Days) 13 13 N/A
Avg. Annual Precipitation (Total Inches) 31.00" 31.00" N/A
Avg. Annual Snowfall (Total Inches) 43.00" 43.00" N/A

The data for Janesville, WI may also contain data for the following areas: Janesville

Annual Heating Degree Days (HDD): A form of Degree Day used to estimate energy requirements for heating. Typically, heating degree days are calculated as how much colder the mean temperature at a location is than 65°F on a given day. For example, if a location experiences a mean temperature of 55°F on a certain day, there were 10 HDD that day because 65 - 55 = 10, according to the National Weather Service.

Annual Cooling Degree Days (CDD): A form of Degree Day used to estimate energy requirements for air conditioning or refrigeration. Typically, cooling degree days are calculated as how much warmer the mean temperature at a location is than 65°F on a given day. For example, if a location experiences a mean temperature of 75°F on a certain day, there were 10 CDD that day because 75 - 65 = 10, according to the National Weather Service.

Mean Sky Cover: reflects the approximate amount that the sky is covered with clouds, sunrise to sunset on a scale of 0 to 10

Index score: (100 = National Average) for an area is compared to the national average of 100. A score of 200 indicates twice the national average, while 50 indicates half the national average. Note: A higher Weather Index score represents better overall weather (higher number good). A higher Hail, Hurricane or Tornado Index means the chance of that weather event is higher (higher number bad).

Information is deemed reliable but not guaranteed. Demographic Information FAQ

Janesville 2010 Avg. Monthly Low Temperatures

2010 Avg. Monthly Low Temperature Janesville, WI Wisconsin United States
Avg. Annual Low Temperature 37.0 °F 35.0 °F N/A
Avg. January Low Temperature 10.2 °F 7.3 °F N/A
Avg. February Low Temperature 13.9 °F 11.1 °F N/A
Avg. March Low Temperature 24.5 °F 22.2 °F N/A
Avg. April Low Temperature 36.1 °F 34.5 °F N/A
Avg. May Low Temperature 46.8 °F 45.1 °F N/A
Avg. June Low Temperature 56.4 °F 54.7 °F N/A
Avg. July Low Temperature 61.0 °F 59.2 °F N/A
Avg. August Low Temperature 59.1 °F 57.3 °F N/A
Avg. September Low Temperature 50.9 °F 49.2 °F N/A
Avg. October Low Temperature 40.0 °F 38.6 °F N/A
Avg. November Low Temperature 28.1 °F 26.6 °F N/A
Avg. December Low Temperature 16.3 °F 13.9 °F N/A

The data for Janesville, WI may also contain data for the following areas: Janesville

Information is deemed reliable but not guaranteed. Demographic Information FAQ

Janesville 2010 Avg. Monthly High Temperatures

2010 Avg. Monthly High Temperature Janesville, WI Wisconsin United States
Avg. Annual High Temperature 57.8 °F 56.1 °F N/A
Avg. January High Temperature 27.8 °F 25.5 °F N/A
Avg. February High Temperature 31.9 °F 30.0 °F N/A
Avg. March High Temperature 43.2 °F 41.2 °F N/A
Avg. April High Temperature 58.6 °F 57.0 °F N/A
Avg. May High Temperature 70.8 °F 69.5 °F N/A
Avg. June High Temperature 80.2 °F 78.7 °F N/A
Avg. July High Temperature 84.6 °F 83.0 °F N/A
Avg. August High Temperature 82.4 °F 80.9 °F N/A
Avg. September High Temperature 74.3 °F 72.5 °F N/A
Avg. October High Temperature 62.3 °F 60.7 °F N/A
Avg. November High Temperature 45.6 °F 43.8 °F N/A
Avg. December High Temperature 32.3 °F 30.3 °F N/A

The data for Janesville, WI may also contain data for the following areas: Janesville

Information is deemed reliable but not guaranteed. Demographic Information FAQ

Janesville 2010 Avg. Monthly Precipitation

2010 Avg. Monthly Precipitation Janesville, WI Wisconsin United States
Avg. Annual Precipitation 34.23" 32.90" N/A
Avg. January Precipitation 1.29" 1.22" N/A
Avg. February Precipitation 1.23" 1.10" N/A
Avg. March Precipitation 2.08" 2.15" N/A
Avg. April Precipitation 3.53" 3.14" N/A
Avg. May Precipitation 3.53" 3.37" N/A
Avg. June Precipitation 4.19" 4.00" N/A
Avg. July Precipitation 3.73" 4.10" N/A
Avg. August Precipitation 4.36" 4.10" N/A
Avg. September Precipitation 3.46" 3.59" N/A
Avg. October Precipitation 2.59" 2.38" N/A
Avg. November Precipitation 2.53" 2.34" N/A
Avg. December Precipitation 1.73" 1.41" N/A

The data for Janesville, WI may also contain data for the following areas: Janesville

Information is deemed reliable but not guaranteed. Demographic Information FAQ