December weather forecastLandusky, MT
December
Weather in December
December, the first month of the winter in Landusky, is also a subzero cold month, with an average temperature fluctuating between 13.8°F (-10.1°C) and 25.9°F (-3.4°C).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's icy 39.6°F (4.2°C) to a subzero cold 25.9°F (-3.4°C). Landusky reports an average nighttime low-temperature of 13.8°F (-10.1°C) in December.Humidity
In Landusky, the average relative humidity in December is 82%.Rainfall
The months with the least rainfall in Landusky are February and December Rain falls for 4 days and accumulates 0.55" (14mm) of rain.Snowfall
Months with snowfall in Landusky are January through May, September through December. The month with the most snowfall is December, when snow falls for 12.7 days and typically aggregates up to 3.9" (99mm) of snow.Daylight
With an average of 8h and 30min of daylight, December has the shortest days of the year in Landusky.On the first day of December in Landusky, sunrise is at 7:43 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 4:31 pm MST.
Sunshine
In December, the average sunshine is 5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Landusky, MT
- Average high temperature in December: 25.9°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The months with the lowest average high temperature are January and February (25.7°F).
- Average low temperature in December: 13.8°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in December
Landusky, MT
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Landusky, MT
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).
Average humidity in December
Landusky, MT
- Average humidity in December: 82%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (41%).
Average rainfall in December
Landusky, MT
- Average rainfall in December: 0.55"
The wettest months (with the highest rainfall) are May and June (1.89").
The driest months (with the least rainfall) are February and December (0.55").
Average rainfall days in December
Landusky, MT
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (4 days).
Average snowfall in December
Landusky, MT
- Average snowfall in December: 3.9"
The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Landusky, MT
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Landusky, MT
- Average daylight in December: 8h and 30min
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 30min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Landusky, MT
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in December
Landusky, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Landusky, MT
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in December
Landusky, MT
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
