December weather forecast
McCool, MS

Share

Weather in December

The first month of the winter, December, is also a fresh month in McCool, Mississippi, with an average temperature fluctuating between 54.5°F (12.5°C) and 40.3°F (4.6°C).

Temperature

December is characterized by a mild reduction in the average high-temperature, from a comfortable 62.2°F (16.8°C) in November to a fresh 54.5°F (12.5°C). An average low-temperature of 40.3°F (4.6°C) is expected during December.

Humidity

The most humid month is December, with an average relative humidity of 81%.

Rainfall

In McCool, during December, the rain falls for 12.6 days and regularly aggregates up to 3.43" (87mm) of precipitation. In McCool, Mississippi, during the entire year, the rain falls for 163.9 days and collects up to 36.54" (928mm) of precipitation.

Snowfall

Months with snowfall in McCool are January through March, November and December. In McCool, in December, snow falls for 0.5 days, with typically accumulated 0.08" (2mm) of snow. Throughout the year, in McCool, there are 3.5 snowfall days, and 1.34" (34mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 10h and 0min of daylight.
On the first day of December, sunrise is at 6:43 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:00 pm CST.

Sunshine

The average sunshine in December is 4.9h.

UV index

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
[Resources]

Frequently asked questions

What are December temperatures in McCool?

In McCool, 54.5°F (12.5°C) is the average high-temperature and 40.3°F (4.6°C) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is estimated at 95°F (35°C).

What is the most humid month in McCool?

December is the most humid month, with an average relative humidity of 81%.

What is the average humidity in December in McCool?

In McCool, the average relative humidity in December is 81%.

How much does it rain in McCool in December?

In McCool, Mississippi, in December, it is raining for 12.6 days, with typically 3.43" (87mm) of accumulated precipitation.

How many days does it snow in December in McCool?

In December, in McCool, it is snowing for 0.5 days. Throughout December, 0.08" (2mm) of snow is accumulated.

What is the month with the shortest days in McCool?

The month with the shortest days in McCool is December, with an average of 10h and 0min of daylight.

How many hours of daylight does McCool have in December?

The average day length in December in McCool, Mississippi, is 10h and 0min.

When is the sunrise / sunset in December in McCool?

In December, on the first day of the month, sunrise is at 6:43 am and sunset at 4:50 pm. On the last day of the month, in McCool, Mississippi, sunrise is at 7:00 am and sunset at 5:00 pm CST.

How long on average sun shines in December in McCool?

In McCool, Mississippi, the average sunshine duration in December is 4.9h.

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

The months with the lowest UV index in McCool, Mississippi, are January, February and December, with an average maximum UV index of 3.

How high is the UV index in December in McCool?

In McCool, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health risk from 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
McCool, MS

Average temperature in December - McCool, MS
  • Average high temperature in December: 54.5°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in December: 40.3°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

[Resources]

Average pressure in December
McCool, MS

Average pressure in December - McCool, MS
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

[Resources]

Average wind speed in December
McCool, MS

Average wind speed in December - McCool, MS
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are February and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

[Resources]

Average humidity in December
McCool, MS

Average humidity in December - McCool, MS
  • Average humidity in December: 81%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).

[Resources]

Average rainfall in December
McCool, MS

Average rainfall in December - McCool, MS
  • Average rainfall in December: 3.43"

The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is November (2.09").

[Resources]

Average rainfall days in December
McCool, MS

Average rainfall days in December - McCool, MS
  • Average rainfall days in December: 12.6 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (8.9 days).

[Resources]

Average snowfall in December
McCool, MS

Average snowfall in December - McCool, MS
  • Average snowfall in December: 0.08"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
McCool, MS

Average snowfall days in December - McCool, MS
  • Average snowfall days in December: 0.5 days

The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
McCool, MS

Average daylight in December / Average sunshine in December - McCool, MS
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

[Resources]

Average sunshine days in December
McCool, MS

Average sunshine days in December - McCool, MS
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (9.3 days).

[Resources]

Average UV index in December
McCool, MS

Average UV index in December - McCool, MS
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

[Resources]

Average cloud cover in December
McCool, MS

Average cloud cover in December - McCool, MS
  • Average cloud cover in December: 48

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 28).

[Resources]

Average visibility in December
McCool, MS

Average visibility in December - McCool, MS
  • 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).

[Resources]

McCool, Mississippi, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location