December weather forecastMontreal, MO
December
Weather in December
The first month of the winter, December, is still a chilly month in Montreal, Missouri, with an average temperature fluctuating between 43.7°F (6.5°C) and 29.5°F (-1.4°C).Temperature
December weather is marked by a drop in the average high-temperature, falling from a fresh 54.1°F (12.3°C) in November to a chilly 43.7°F (6.5°C). During December, Montreal witnesses a consistent average low-temperature of 29.5°F (-1.4°C).Humidity
In December, the average relative humidity in Montreal is 75%.Rainfall
In Montreal, Missouri, in December, during 7.3 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Montreal, during the entire year, the rain falls for 131.8 days and collects up to 22.09" (561mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 4.6 days. Throughout December, 1.22" (31mm) of snow is accumulated. Throughout the year, there are 21.8 snowfall days, and 5.71" (145mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December in Montreal, sunrise is at 7:08 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:01 pm CST.
Sunshine
In December, the average sunshine is 5.1h.UV index
The months with the lowest UV index in Montreal are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Montreal, MO
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in December
Montreal, MO
- 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 (29.92"Hg).
Average wind speed in December
Montreal, MO
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in December
Montreal, MO
- Average humidity in December: 75%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are July, August, September, October and November (73%).
Average rainfall in December
Montreal, MO
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in December
Montreal, MO
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in December
Montreal, MO
- Average snowfall in December: 1.22"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Montreal, MO
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Montreal, MO
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Montreal, MO
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is May (13.4 days).
Average UV index in December
Montreal, MO
- 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
Montreal, MO
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Montreal, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





