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December Rainfall Precipitation in Idaho

Idaho is a region in the United States of America. In December precipitation ranges from low in Salmon with 16 mm of snowfall to high in Wallace with 150 mm of snowfall. December is a winter month in Idaho. It is the wettest month of the year.

Where and how much does it snow/rain in Idaho in December?

Find the average total precipitation in December for the most popular destinations in Idaho on the map below. Click on a destination dot for more detailed information.

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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much snow/rainfall does Idaho receive in December?
  • With an average of 49 mm of snow/rain, Boise in December often alternates between wet and dry periods. Based on climate data from the last 30 years, Boise receives the most snow/rainfall during this month of the year.

  • What is the wettest city in December in Idaho?
  • According to our data the wettest location is Wallace with an average precipitation of 150 mm.

  • What is the driest city in December in Idaho?
  • Based on our records, Salmon registers the lowest average precipitation, with only 16 mm.

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