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 suggests a modest reduction in the average high-temperature, shifting from a chilly 47.8°F (8.8°C) in November to a cold 35.4°F (1.9°C). Throughout the nights in December, Montrose experiences an average low-temperature of 18.5°F (-7.5°C).Humidity
In Montrose, Colorado, the average relative humidity in December is 72%.Rainfall
In Montrose, in December, during 8.5 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, there are 104.5 rainfall days, and 9.84" (250mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is December, when snow falls for 11.1 days and typically aggregates up to 6.22" (158mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:10 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:00 pm MST.
Sunshine
In December, the average sunshine in Montrose is 6.7h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Montrose in December?
What is the average humidity in December in Montrose?
How many days does it rain in December in Montrose?
What is the snowiest month in Montrose?
How many days does it snow in December in Montrose?
What is the month with the shortest days in Montrose?
How many hours of daylight does Montrose have in December?
What time are sunrise and sunset in December in Montrose?
How many hours of sunshine does Montrose have in December?
What are the months with the lowest UV index in Montrose?
What is the UV index reading in December in Montrose?
Average temperature in December
Montrose, CO
- Average high temperature in December: 35.4°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Montrose, CO
- Average pressure in December: 30.18"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is May (29.92"Hg).
Average wind speed in December
Montrose, CO
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in December
Montrose, CO
- Average humidity in December: 72%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is June (32%).
Average rainfall in December
Montrose, CO
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is March (1.18").
The driest month (with the least rainfall) is June (0.47").
Average rainfall days in December
Montrose, CO
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is April (12.4 days).
The month with the least rainy days is November (6.1 days).
Average snowfall in December
Montrose, CO
- Average snowfall in December: 6.22"
The month with the highest snowfall is December (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Montrose, CO
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Montrose, CO
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in December
Montrose, CO
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in December
Montrose, CO
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Montrose, CO
- Average cloud cover in December: 29
The months with the most cloud cover are January and February (Cloud cover 30).
The months with the least cloud cover are June and September (Cloud cover 11).
Average visibility in December
Montrose, CO
- 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).
Montrose, Colorado, USA
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