Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The coldest month is December, with an average high-temperature of 20.5°F (-6.4°C) and an average low-temperature of 4.8°F (-15.1°C).Humidity
The average relative humidity in December is 92%.Rainfall
In Cliff Lake, during December, the rain falls for 5.7 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Cliff Lake, during the entire year, the rain falls for 123.8 days and collects up to 24.53" (623mm) of precipitation.Snowfall
January through July, September through December are months with snowfall. In December, it is snowing for 25.5 days. Throughout December, 14.88" (378mm) of snow is accumulated. In Cliff Lake, during the entire year, snow falls for 165.6 days and aggregates up to 125.16" (3179mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:44 am and sunset at 4:46 pm. On the last day of December, sunrise is at 8:03 am and sunset at 4:55 pm MST.
Sunshine
In December, the average sunshine is 3.7h.UV index
January through April, October through December, with an average maximum UV index of 1, 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 radiation for ordinary individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Cliff Lake have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Cliff Lake, MT
- Average high temperature in December: 20.5°F
The warmest month (with the highest average high temperature) is July (73.2°F).
The month with the lowest average high temperature is December (20.5°F).
- Average low temperature in December: 4.8°F
The month with the highest average low temperature is August (43°F).
The coldest month (with the lowest average low temperature) is December (4.8°F).
Average pressure in December
Cliff Lake, MT
- Average pressure in December: 30.23"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Cliff Lake, MT
- Average wind speed in December: 6.2mph
The windiest months (with the highest average wind speed) are January, February, March, June, November and December (6.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Cliff Lake, MT
- Average humidity in December: 92%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (52%).
Average rainfall in December
Cliff Lake, MT
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in December
Cliff Lake, MT
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (4 days).
Average snowfall in December
Cliff Lake, MT
- Average snowfall in December: 14.88"
The month with the highest snowfall is February (20.67").
The month with the least snowfall is August (0").
Average snowfall days in December
Cliff Lake, MT
- Average snowfall days in December: 25.5 days
The month with the highest number of snowfall days is March (26.4 days).
The month with the least snowfall days is August (0 days).
Average daylight in December /
Average sunshine in December
Cliff Lake, MT
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in December
Cliff Lake, MT
- Average sunshine days in December: 7.3 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is May (3.8 days).
Average UV index in December
Cliff Lake, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in December
Cliff Lake, MT
- Average cloud cover in December: 69
The month with the most cloud cover is February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in December
Cliff Lake, MT
- Average visibility in December: 4mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Cliff Lake, Montana, USA
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