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
December is the coldest month, exhibiting average temperatures of 25.5°F (-3.6°C) at the peak and 13.1°F (-10.5°C) at the base.Humidity
In Trego, the average relative humidity in December is 93%.Rainfall
In Trego, in December, it is raining for 8.6 days, with typically 1.73" (44mm) of accumulated precipitation. In Trego, during the entire year, the rain falls for 136.3 days and collects up to 15.35" (390mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Trego, Montana. In Trego, in December, during 22.1 snowfall days, 9.41" (239mm) of snow is typically accumulated. In Trego, during the entire year, snow falls for 110.7 days and aggregates up to 46.81" (1189mm) of snow.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 8:11 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 8:32 am and sunset at 4:53 pm MST.
Sunshine
In Trego, the average sunshine in December is 3.5h.UV index
January, February, November and December, with an average maximum UV index of 1, 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 high UV index of 1 during December translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What part of the year is the coldest in Trego?
How cold is December in Trego?
What is the average humidity in December in Trego?
How many days does it rain in December in Trego?
How many days does it snow in December in Trego?
What is the month with the shortest days in Trego?
How many hours of daylight does Trego have in December?
What time are sunrise and sunset in December in Trego?
How many hours of sunshine does Trego have in December?
What are the months with the lowest UV index in Trego?
What is the UV index intensity in December in Trego?
Average temperature in December
Trego, MT
- Average high temperature in December: 25.5°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (25.5°F).
- Average low temperature in December: 13.1°F
The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).
Average pressure in December
Trego, MT
- Average pressure in December: 30.16"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Trego, MT
- Average wind speed in December: 3.4mph
The windiest month (with the highest average wind speed) is June (4.4mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in December
Trego, MT
- Average humidity in December: 93%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Trego, MT
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in December
Trego, MT
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is April (17 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in December
Trego, MT
- Average snowfall in December: 9.41"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Trego, MT
- Average snowfall days in December: 22.1 days
The month with the highest number of snowfall days is December (22.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Trego, MT
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Trego, MT
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (6.3 days).
Average UV index in December
Trego, 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
Trego, MT
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in December
Trego, MT
- Average visibility in December: 3mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Trego, Montana, USA
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