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
Onset of December comes with a temperature decline, the average high falling from a wintry 42.1°F (5.6°C) in November to a freezing cold 27.9°F (-2.3°C). Throughout the month of December, Ridgeway witnesses an average temperature of 16°F (-8.9°C).Humidity
The average relative humidity in December in Ridgeway, Montana, is 79%.Rainfall
In Ridgeway, Montana, in December, it is raining for 3.8 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 103.8 rainfall days, and 14.88" (378mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Ridgeway, Montana. In Ridgeway, during December, snow falls for 10.9 days and regularly aggregates up to 2.76" (70mm) of snow. Throughout the year, in Ridgeway, there are 62.2 snowfall days, and 22.95" (583mm) of snow is accumulated.Daylight
The month with the shortest days in Ridgeway, Montana, is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:18 am and sunset at 4:16 pm. On the last day of December, sunrise is at 7:37 am and sunset at 4:24 pm MST.
Sunshine
In Ridgeway, the average sunshine in December is 5.2h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 1 in December leads to these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is December in Ridgeway?
What is the average humidity in December in Ridgeway?
How many days does it rain in December in Ridgeway?
How much does it snow in Ridgeway in December?
What is the month with the shortest days in Ridgeway?
What is the average length of the day in December in Ridgeway?
When are sunrise and sunset in December in Ridgeway?
How many hours of sunshine does Ridgeway have in December?
What are the months with the lowest UV index in Ridgeway?
How high is the UV index in December in Ridgeway?
Average temperature in December
Ridgeway, MT
- Average high temperature in December: 27.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in December: 16°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in December
Ridgeway, 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 (29.84"Hg).
Average wind speed in December
Ridgeway, MT
- Average wind speed in December: 11.2mph
The windiest months (with the highest average wind speed) are January and October (11.9mph).
The calmest month (with the lowest average wind speed) is July (9.8mph).
Average humidity in December
Ridgeway, MT
- Average humidity in December: 79%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Ridgeway, MT
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January and November (0.51").
Average rainfall days in December
Ridgeway, MT
- Average rainfall days in December: 3.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in December
Ridgeway, MT
- Average snowfall in December: 2.76"
The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ridgeway, MT
- Average snowfall days in December: 10.9 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Ridgeway, MT
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 0min).
Average sunshine days in December
Ridgeway, MT
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in December
Ridgeway, MT
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Ridgeway, MT
- Average cloud cover in December: 47
The months with the most cloud cover are January and February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Ridgeway, 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).
Ridgeway, Montana, USA
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