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
In Montrose, the average high-temperature in December drops from a fresh 51.1°F (10.6°C) in November to a wintry 40.3°F (4.6°C). During December nights, Montrose records an average temperature of 29.1°F (-1.6°C).Humidity
In December, the average relative humidity in Montrose is 79%.Rainfall
In Montrose, in December, it is raining for 8.6 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, there are 135.9 rainfall days, and 21.89" (556mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Montrose, in December, snow falls for 3.5 days, with typically accumulated 1.14" (29mm) of snow. Throughout the year, there are 17.7 snowfall days, and 4.17" (106mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Montrose.On the first day of the month, sunrise is at 6:54 am and sunset at 4:31 pm. On the last day of December, in Montrose, Illinois, sunrise is at 7:12 am and sunset at 4:40 pm CST.
Sunshine
In December, the average sunshine is 4.6h.UV index
The months with the lowest UV index in Montrose are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
Is it cold in Montrose during December?
What is the average humidity in December in Montrose?
How much does it rain in Montrose in December?
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?
When is the sunrise / sunset in December in Montrose?
How long on average sun shines in December in Montrose?
When is the lowest UV index in Montrose?
What is the UV index intensity in December in Montrose?
Average temperature in December
Montrose, IL
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in December
Montrose, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Montrose, IL
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in December
Montrose, IL
- Average humidity in December: 79%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Montrose, IL
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in December
Montrose, IL
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Montrose, IL
- Average snowfall in December: 1.14"
The month with the highest snowfall is January (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Montrose, IL
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Montrose, IL
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Montrose, IL
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in December
Montrose, IL
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Montrose, IL
- Average cloud cover in December: 51
The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility in December
Montrose, IL
- 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).
Montrose, Illinois, USA
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