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's arrival coincides with a drop in the average high-temperature, decreasing from November's icy 39.6°F (4.2°C) to a subzero cold 25.9°F (-3.4°C). During the month of December, Wagner anticipates a mean low-temperature of 13.8°F (-10.1°C).Humidity
The average relative humidity in December in Wagner is 82%.Rainfall
February and December are months with the least rain when the rain falls for 4 days and typically aggregates up to 0.55" (14mm) of rain.Snowfall
Months with snowfall in Wagner, Montana, 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
The month with the shortest days in Wagner is December, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 7:43 am and sunset at 4:19 pm. On the last day of December, in Wagner, Montana, sunrise is at 8:03 am and sunset at 4:27 pm MST.
Sunshine
In December, the average sunshine in Wagner is 5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
How cold is it in Wagner in December?
What is the average humidity in December in Wagner?
What is the driest month in Wagner?
How much does it rain in Wagner in December?
What is the snowiest month in Wagner?
How many days does it snow in December in Wagner?
What is the month with the shortest days in Wagner?
How many hours of daylight does Wagner have in December?
When is the sunrise / sunset in December in Wagner?
How many hours of sunshine does Wagner have in December?
When is the lowest UV index in Wagner?
How high is the UV index in December in Wagner?
Average temperature in December
Wagner, 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
Wagner, 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
Wagner, 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
Wagner, 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
Wagner, 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
Wagner, 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
Wagner, 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
Wagner, 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
Wagner, MT
- Average daylight in December: 8h and 2min
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 24min).
- 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
Wagner, MT
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in December
Wagner, 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
Wagner, 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
Wagner, 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).
Wagner, Montana, USA
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