December weather forecast
Montreal, MO

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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.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Montreal?

The average high-temperature and low-temperature in Montreal, Missouri, during December are 43.7°F (6.5°C) and 29.5°F (-1.4°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is estimated at 100.4°F (38°C).

What is the average humidity in December in Montreal?

In Montreal, Missouri, the average relative humidity in December is 75%.

How many days does it rain in December in Montreal?

In December, in Montreal, the rain falls for 7.3 days. Throughout December, 1.14" (29mm) of precipitation is accumulated.

How many days does it snow in December in Montreal?

In Montreal, during December, snow falls for 4.6 days and regularly aggregates up to 1.22" (31mm) of snow.

What is the month with the shortest days in Montreal?

December has the shortest days of the year in Montreal, with an average of 9h and 36min of daylight.

What is the average length of the day in December in Montreal?

The average day length in December in Montreal is 9h and 35min.

When are sunrise and sunset in December in Montreal?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:51 pm. On the last day of the month, in Montreal, sunrise is at 7:26 am and sunset at 5:01 pm CST.

How many hours of sunshine does Montreal have in December?

The average sunshine duration in December in Montreal is 5.1h.

What is the month with the lowest UV index in Montreal?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December in Montreal?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Montreal, MO

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in December - Montreal, MO
  • Average daylight in December: 9h and 4min

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 1min

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 - 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 - 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 - 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 - 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).

Montreal, Missouri, USA

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