Mountain Home Weather in December

What's the weather like in Mountain Home (Arkansas) in December 2025?

The climate in Mountain Home during December can be summarized as cool and a little damp.

December is in the winter in Mountain Home and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (47°F), whilst at night -3°C (27°F) is normal.

Mountain Home weather averages (imperial / metric)
Daytime temperature 8.4°C 47.1°F
Nightly temperature -2.8°C 27°F
Average temperature 2.8°C 37°F
Daily sunshine 5.5 hrs
Avg rainfall 93 mm 3.6 ins
Rainy days 9 days
Sea temperature 13.7°C 56.7°F
Humidity 71%
Windspeed 16.9kph 11 mph

On average December is the 6th driest month of the year in Mountain Home with around 93mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.5 hours of sunshine per day.

December temperatures in Mountain Home

Mountain Home average temperature in December

December rainfall

Mountain Home average rain in December

December hourly sunshine

Mountain Home average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Mountain Home in December 2025.

Other monthly averages

Best places to visit in December

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Mountain Home weather stats

Mountain Home weather statistics
Hottest month: July 31.9°C 89.4°F
Driest month: January 63mm 2.5ins
Sunniest month: July 11.3hrs
Coldest month: January 6.2°C 43.2°F
Wettest month: May 128mm 5ins
Map showing location of Mountain Home (36.33534, -92.38516) Mountain Home map pin © Google

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