Idaho, United States Climate Records

Warmest December Days

The warmest December days in Idaho are:

Boise, Idaho193969.3°F
Mountain Home, Idaho201264.4°F
Pocatello, Idaho199564°F
Boise, Idaho198763°F
Mountain Home, Idaho196463°F

Coldest December Days

The coldest December days in Idaho were:

Pocatello, Idaho1990-29°F
Boise, Idaho1990-25.1°F
Pocatello, Idaho1983-25.1°F
Pocatello, Idaho1992-22°F
Mountain Home, Idaho1990-21.8°F

Wettest December Days

The wettest single days in December occurred:

Mountain Home, Idaho20102.5 inches
Mountain Home, Idaho20091.3 inches
Boise, Idaho20091.1 inches
Pocatello, Idaho19830.9 inches
Boise, Idaho19800.9 inches