December weather forecastHardin, MT
December
Weather in December
Winter arrives in full swing in Hardin, Montana; in December. The cityscape becomes a vision in white as snowfall gains momentum, increasing to about 3.94" (100mm). The temperature goes down further, reaching a high of 31.3°F (-0.4°C) and a low of 18.1°F (-7.7°C). It mirrors the weather of January, with snow days being the same. The charm of a white Christmas and plenty of winter sports opportunities underline the appeal of the month despite the chill.Temperature
December, recording an average high temperature of 31.3°F (-0.4°C) and a low temperature of 18.1°F (-7.7°C), is Hardin's coldest month.Humidity
The average relative humidity in December in Hardin is 74%.Rainfall
In Hardin, in December, it is raining for 5.9 days, with typically 0.67" (17mm) of accumulated precipitation. In Hardin, during the entire year, the rain falls for 103 days and collects up to 11.97" (304mm) of precipitation.Snowfall
Months with snowfall in Hardin, Montana, are January through May, September through December. In Hardin, in December, snow falls for 10.8 days, with typically accumulated 3.94" (100mm) of snow. Throughout the year, there are 56.7 snowfall days, and 25.16" (639mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:31 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:51 am and sunset at 4:36 pm MST.
Sunshine
The average sunshine in December in Hardin is 5.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hardin, MT
- Average high temperature in December: 31.3°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in December: 18.1°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Hardin, MT
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Hardin, MT
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Hardin, MT
- Average humidity in December: 74%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (38%).
Average rainfall in December
Hardin, MT
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is August (0.63").
Average rainfall days in December
Hardin, MT
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is May (13.6 days).
The month with the least rainy days is December (5.9 days).
Average snowfall in December
Hardin, MT
- Average snowfall in December: 3.94"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Hardin, MT
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Hardin, MT
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days in December
Hardin, MT
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in December
Hardin, MT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Hardin, MT
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in December
Hardin, MT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
