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
In De Borgia, Montana, December is the coldest month, with temperatures averaging a high of 28.9°F (-1.7°C) and a low of 16.2°F (-8.8°C).Humidity
In December, the average relative humidity is 91%.Rainfall
In De Borgia, Montana, during December, the rain falls for 12.2 days and regularly aggregates up to 2.99" (76mm) of precipitation. Throughout the year, in De Borgia, there are 152.1 rainfall days, and 22.09" (561mm) of precipitation is accumulated.Snowfall
Months with snowfall in De Borgia, Montana, are January through May, September through December. In De Borgia, in December, snow falls for 20.4 days, with typically accumulated 13.35" (339mm) of snow. In De Borgia, during the entire year, snow falls for 90.2 days and aggregates up to 58.15" (1477mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 8:08 am and sunset at 4:52 pm. On the last day of December, sunrise is at 8:28 am and sunset at 5:00 pm MST.
Sunshine
The average sunshine in December in De Borgia is 3.8h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in De Borgia. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Boost your sun resistance with garments that are densely woven yet spacious. 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 are the coldest months in De Borgia?
How cold is December in De Borgia?
What is the average humidity in December in De Borgia?
How many days does it rain in December in De Borgia?
How many days does it snow in December in De Borgia?
What is the month with the shortest days in De Borgia?
What is the average length of the day in December in De Borgia?
When is the sunrise / sunset in December in De Borgia?
How many hours of sunshine does De Borgia have in December?
What is the month with the lowest UV index in De Borgia?
What is the UV index reading in December in De Borgia?
Average temperature in December
De Borgia, MT
- Average high temperature in December: 28.9°F
The warmest months (with the highest average high temperature) are July and August (78.8°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in December: 16.2°F
The month with the highest average low temperature is August (45.7°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).
Average pressure in December
De Borgia, MT
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
De Borgia, MT
- Average wind speed in December: 4mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest month (with the lowest average wind speed) is December (4mph).
Average humidity in December
De Borgia, MT
- Average humidity in December: 91%
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (53%).
Average rainfall in December
De Borgia, MT
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is January (3.11").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in December
De Borgia, MT
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in December
De Borgia, MT
- Average snowfall in December: 13.35"
The month with the highest snowfall is February (15.12").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
De Borgia, MT
- Average snowfall days in December: 20.4 days
The month with the highest number of snowfall days is December (20.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
De Borgia, MT
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
De Borgia, MT
- Average sunshine days in December: 8.1 days
The months with the most sunshine days are July and August (23.3 days).
The month with the least sunshine days is March (5.8 days).
Average UV index in December
De Borgia, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
De Borgia, MT
- Average cloud cover in December: 63
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in December
De Borgia, MT
- Average visibility in December: 3mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
De Borgia, Montana, USA
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