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Lewiston Weather, Forecast, Temperature and Precipitation

Lewiston Weather Related Indexes Graph

2012 Weather Summary Lewiston, ID Idaho United States
Weather Index 3 7 100
Hail Index 16 5 100
Hurricane Index 0 0 100
Tornado Index 13 18 100
Wind Index 12 9 100
 
Annual Maximum Avg. Temperature 63.0 °F 61.0 °F N/A
Annual Minimum Avg. Temperature 42.0 °F 37.0 °F N/A
Annual Avg. Temperature 52.7 °F 49.4 °F N/A
Percent of Possible Sunshine 64 64 N/A
Mean Sky Cover (Sunrise to Sunset - Out of 10) 7 6 N/A
Mean Number of Days Clear (Out of 365 Days) 91 107 N/A
Mean Number of Days Rain (Out of 365 Days) 103 96 N/A
Mean Number of Days Snow (Out of 365 Days) 5 10 N/A
Avg. Annual Precipitation (Total Inches) 12.00" 12.00" N/A
Avg. Annual Snowfall (Total Inches) 16.00" 30.00" N/A

The data for Lewiston, ID may also contain data for the following areas: Lewiston

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

Lewiston 2012 Avg. Monthly Low Temperatures

2012 Avg. Monthly Low Temperature Lewiston, ID Idaho United States
Avg. Annual Low Temperature 42.0 °F 37.0 °F N/A
Avg. January Low Temperature 26.4 °F 9.6 °F N/A
Avg. February Low Temperature 30.2 °F 10.4 °F N/A
Avg. March Low Temperature 33.8 °F 14.9 °F N/A
Avg. April Low Temperature 39.0 °F 21.2 °F N/A
Avg. May Low Temperature 45.5 °F 29.1 °F N/A
Avg. June Low Temperature 51.8 °F 36.6 °F N/A
Avg. July Low Temperature 56.8 °F 43.9 °F N/A
Avg. August Low Temperature 56.1 °F 43.6 °F N/A
Avg. September Low Temperature 48.5 °F 35.8 °F N/A
Avg. October Low Temperature 39.7 °F 26.6 °F N/A
Avg. November Low Temperature 33.0 °F 16.2 °F N/A
Avg. December Low Temperature 28.2 °F 11.1 °F N/A

The data for Lewiston, ID may also contain data for the following areas: Lewiston

Information is deemed reliable but not guaranteed. Demographic Information FAQ

Lewiston 2012 Avg. Monthly High Temperatures

2012 Avg. Monthly High Temperature Lewiston, ID Idaho United States
Avg. Annual High Temperature 63.0 °F 61.0 °F N/A
Avg. January High Temperature 39.4 °F 26.6 °F N/A
Avg. February High Temperature 46.2 °F 31.3 °F N/A
Avg. March High Temperature 53.8 °F 37.7 °F N/A
Avg. April High Temperature 62.8 °F 46.1 °F N/A
Avg. May High Temperature 71.6 °F 54.2 °F N/A
Avg. June High Temperature 79.4 °F 62.9 °F N/A
Avg. July High Temperature 89.3 °F 73.8 °F N/A
Avg. August High Temperature 88.5 °F 73.1 °F N/A
Avg. September High Temperature 78.0 °F 63.0 °F N/A
Avg. October High Temperature 62.7 °F 50.4 °F N/A
Avg. November High Temperature 47.8 °F 33.9 °F N/A
Avg. December High Temperature 40.6 °F 27.0 °F N/A

The data for Lewiston, ID may also contain data for the following areas: Lewiston

Information is deemed reliable but not guaranteed. Demographic Information FAQ

Lewiston 2012 Avg. Monthly Precipitation

2012 Avg. Monthly Precipitation Lewiston, ID Idaho United States
Avg. Annual Precipitation 12.00" 12.00" N/A
Avg. January Precipitation 1.79" 1.26" N/A
Avg. February Precipitation 1.50" 1.04" N/A
Avg. March Precipitation 1.70" 1.82" N/A
Avg. April Precipitation 1.55" 1.72" N/A
Avg. May Precipitation 1.87" 3.15" N/A
Avg. June Precipitation 1.39" 2.66" N/A
Avg. July Precipitation 0.74" 1.80" N/A
Avg. August Precipitation 0.75" 1.60" N/A
Avg. September Precipitation 0.91" 1.78" N/A
Avg. October Precipitation 1.21" 1.57" N/A
Avg. November Precipitation 2.15" 1.78" N/A
Avg. December Precipitation 2.01" 1.51" N/A

The data for Lewiston, ID may also contain data for the following areas: Lewiston

Information is deemed reliable but not guaranteed. Demographic Information FAQ