December weather forecast
Glasgow, MO

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Weather in December

The first month of the winter, December, is also a wintry month in Glasgow, Missouri, with an average temperature varying between 27.7°F (-2.4°C) and 40.8°F (4.9°C).

Temperature

The onset of December results in a decrease in the average high-temperature, receding from a cool 52.3°F (11.3°C) in November to an icy 40.8°F (4.9°C). In December, the recorded average low-temperature is a freezing cold 27.7°F (-2.4°C).

Humidity

In Glasgow, the average relative humidity in December is 76%.

Rainfall

In Glasgow, Missouri, in December, during 4.3 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, there are 102.5 rainfall days, and 10.91" (277mm) of precipitation is accumulated.

Snowfall

January through March, October through December are months with snowfall in Glasgow. In Glasgow, Missouri, in December, snow falls for 3.1 days, with typically accumulated 0.59" (15mm) of snow. Throughout the year, there are 17.3 snowfall days, and 2.99" (76mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:12 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:58 pm CST.

Sunshine

In December, the average sunshine is 5.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature during December is 40.8°F (4.9°C) and the low-temperature is 27.7°F (-2.4°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is computed to be 96.8°F (36°C).

What is the average humidity in December?

The average relative humidity in December is 76%.

How many days does it rain in December?

In Glasgow, in December, during 4.3 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

How many days does it snow in December in Glasgow?

In Glasgow, in December, snow falls for 3.1 days, with typically accumulated 0.59" (15mm) of snow.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

How many hours of daylight does Glasgow have in December?

In December, the average day length is 9h and 28min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:12 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:58 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.1h.

When is the lowest UV index?

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 intensity in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Glasgow, MO

Average temperature in December - Glasgow, MO
  • Average high temperature in December: 40.8°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in December: 27.7°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in December
Glasgow, MO

Average pressure in December - Glasgow, 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 (29.91"Hg).

Average wind speed in December
Glasgow, MO

Average wind speed in December - Glasgow, MO
  • Average wind speed in December: 9.1mph

The windiest months (with the highest average wind speed) are January and March (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity in December
Glasgow, MO

Average humidity in December - Glasgow, MO
  • Average humidity in December: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Glasgow, MO

Average rainfall in December - Glasgow, MO
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days in December
Glasgow, MO

Average rainfall days in December - Glasgow, MO
  • Average rainfall days in December: 4.3 days

The month with the highest number of rainy days is May (13.2 days).
The months with the least rainy days are February and December (4.3 days).

Average snowfall in December
Glasgow, MO

Average snowfall in December - Glasgow, MO
  • Average snowfall in December: 0.59"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in December
Glasgow, MO

Average snowfall days in December - Glasgow, MO
  • Average snowfall days in December: 3.1 days

The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Glasgow, MO

Average daylight in December / Average sunshine in December - Glasgow, MO
  • 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: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in December
Glasgow, MO

Average sunshine days in December - Glasgow, MO
  • Average sunshine days in December: 23.6 days

The month with the most sunshine days is December (23.6 days).
The month with the least sunshine days is May (15.2 days).

Average UV index in December
Glasgow, MO

Average UV index in December - Glasgow, 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
Glasgow, MO

Average cloud cover in December - Glasgow, MO
  • Average cloud cover in December: 45

The months with the most cloud cover are January and February (Cloud cover 48).
The months with the least cloud cover are June, July and August (Cloud cover 27).

Average visibility in December
Glasgow, MO

Average visibility in December - Glasgow, MO
  • 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).

Glasgow, Missouri, USA

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