ClimateForecastMayJune >>

May Rainfall Precipitation in Idaho

Idaho is a region in the United States of America. In May precipitation ranges from low in Hagerman with 18 mm of rainfall to moderate in Wallace with 72 mm of rainfall.

Where and how much does it rain in Idaho in May?

Find the average total precipitation in May 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 rainfall does Idaho receive in May?
  • With an average of 33 mm of rain, Boise in May often alternates between wet and dry periods.

  • What is the wettest city in May in Idaho?
  • Based on our records, Wallace is the location with the highest average precipitation, receiving about 72 mm.

  • What is the driest city in May in Idaho?
  • The driest place is Hagerman with an average precipitation of 18 mm according to our data.

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