December weather forecastLloyd, MT
December
Weather in December
December, the first month of the winter in Lloyd, is still a freezing cold month, with temperature in the range of an average high of 26.6°F (-3°C) and an average low of 14.9°F (-9.5°C).Temperature
With December's arrival, Lloyd sees a decrease in average high-temperatures, moving from a cold 39.6°F (4.2°C) in November to a subzero cold 26.6°F (-3°C). An average low-temperature of 14.9°F (-9.5°C) is expected during December.Humidity
The average relative humidity in December is 80%.Rainfall
February, March and December are months with the least rain when the rain falls for 7 days and typically aggregates up to 0.55" (14mm) of rain.Snowfall
January through May, September through December are months with snowfall. In Lloyd, during December, snow falls for 11.1 days and regularly aggregates up to 3.58" (91mm) of snow. Throughout the year, there are 57.6 snowfall days, and 21.69" (551mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of December, sunrise is at 7:48 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 4:33 pm MST.
Sunshine
The average sunshine in December is 5.6h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lloyd, MT
- Average high temperature in December: 26.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is February (26.2°F).
- Average low temperature in December: 14.9°F
The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is February (12.6°F).
Average pressure in December
Lloyd, MT
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Lloyd, MT
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in December
Lloyd, MT
- Average humidity in December: 80%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Lloyd, MT
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are February, March and December (0.55").
Average rainfall days in December
Lloyd, MT
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in December
Lloyd, MT
- Average snowfall in December: 3.58"
The month with the highest snowfall is January (4.02").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Lloyd, MT
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Lloyd, MT
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Lloyd, MT
- Average sunshine days in December: 17 days
The month with the most sunshine days is July (21.6 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in December
Lloyd, MT
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Lloyd, MT
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in December
Lloyd, 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).





