December weather forecastTwodot, MT
December
Weather in December
December, the first month of the winter in Twodot, is still a freezing cold month, with an average temperature ranging between max 26.6°F (-3°C) and min 14.2°F (-9.9°C).Temperature
December, with its high-temperature average of 26.6°F (-3°C) and a low-temperature average of 14.2°F (-9.9°C), is the coldest month.Humidity
The average relative humidity in December in Twodot, Montana, is 81%.Rainfall
The month with the least rainfall in Twodot is December, when the rain falls for 3.7 days and typically collects 0.24" (6mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In Twodot, in December, during 6.7 snowfall days, 1.81" (46mm) of snow is typically accumulated. Throughout the year, in Twodot, there are 56.9 snowfall days, and 25.55" (649mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of December in Twodot, sunrise is at 7:44 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 4:43 pm MST.
Sunshine
In December, the average sunshine is 6.4h.UV index
The months with the lowest UV index in Twodot are January through April, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Twodot, MT
- Average high temperature in December: 26.6°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in December: 14.2°F
The month with the highest average low temperature is August (50.2°F).
The coldest month (with the lowest average low temperature) is February (14°F).
Average pressure in December
Twodot, MT
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Twodot, MT
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Twodot, MT
- Average humidity in December: 81%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (49%).
Average rainfall in December
Twodot, MT
- Average rainfall in December: 0.24"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.24").
Average rainfall days in December
Twodot, MT
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in December
Twodot, MT
- Average snowfall in December: 1.81"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Twodot, MT
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Twodot, MT
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 6h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in December
Twodot, MT
- Average sunshine days in December: 23.4 days
The months with the most sunshine days are August and September (23.8 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in December
Twodot, MT
- Average UV index in December: 2
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 2).
Average cloud cover in December
Twodot, MT
- Average cloud cover in December: 35
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in December
Twodot, MT
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
