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
Start of December brings a shift in the average high-temperature, falling from November's frosty 43°F (6.1°C) to a subzero cold 30.2°F (-1°C). During the month of December, Rosebud experiences a steady low-temperature average of 17.6°F (-8°C).Humidity
The average relative humidity in December in Rosebud is 76%.Rainfall
In December, in Rosebud, the rain falls for 6.5 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. In Rosebud, during the entire year, the rain falls for 121.7 days and collects up to 13.23" (336mm) of precipitation.Snowfall
Months with snowfall in Rosebud, Montana, are January through May, October through December. In Rosebud, Montana, during December, snow falls for 11.6 days and regularly aggregates up to 3.94" (100mm) of snow. Throughout the year, in Rosebud, Montana, there are 56.6 snowfall days, and 21.06" (535mm) of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Rosebud.On the first day of December, sunrise is at 7:28 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:29 pm MST.
Sunshine
In December, the average sunshine in Rosebud is 5.4h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
How cold is it in Rosebud in December?
What is the average humidity in December in Rosebud?
How many days does it rain in December in Rosebud?
How many days does it snow in December in Rosebud?
What is the month with the shortest days in Rosebud?
What is the average length of the day in December in Rosebud?
When are sunrise and sunset in December in Rosebud?
How many hours of sunshine does Rosebud have in December?
What is the month with the lowest UV index in Rosebud?
What is the UV index intensity in December in Rosebud?
Average temperature in December
Rosebud, MT
- Average high temperature in December: 30.2°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 17.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in December
Rosebud, MT
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Rosebud, MT
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in December
Rosebud, MT
- Average humidity in December: 76%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (38%).
Average rainfall in December
Rosebud, MT
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (0.63").
Average rainfall days in December
Rosebud, MT
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is May (15.1 days).
The months with the least rainy days are January, February and December (6.5 days).
Average snowfall in December
Rosebud, MT
- Average snowfall in December: 3.94"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Rosebud, MT
- Average snowfall days in December: 11.6 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rosebud, MT
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Rosebud, MT
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.9 days).
Average UV index in December
Rosebud, 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
Rosebud, MT
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in December
Rosebud, MT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Rosebud, Montana, USA
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