December weather forecast
McSwain, MS

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Weather in December

The first month of the winter, December, is also a moderate month in McSwain, Mississippi, with temperature in the range of an average high of 59.7°F (15.4°C) and an average low of 43.7°F (6.5°C).

Temperature

The transition to December results in a modest reduction in average high-temperature, moving from an enjoyable 66.7°F (19.3°C) in November to a still refreshing 59.7°F (15.4°C). In the month of December, an average of 43.7°F (6.5°C) marks the low-temperature.

Humidity

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

Rainfall

In McSwain, in December, it is raining for 13.8 days, with typically 3.74" (95mm) of accumulated precipitation. In McSwain, Mississippi, during the entire year, the rain falls for 177.1 days and collects up to 36.42" (925mm) of precipitation.

Snowfall

January through March and December are months with snowfall in McSwain. The month with the most snowfall in McSwain is December, when snow falls for 0.4 days and typically aggregates up to 0.39" (10mm) of snow.

Daylight

December has the shortest days of the year in McSwain, with an average of 10h and 12min of daylight.
On the first day of December, sunrise is at 6:37 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 5:03 pm CST.

Sunshine

With an average of 4.9h of sunshine, December has the least sunshine of the year in McSwain.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index in McSwain, Mississippi. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 3 in December translates into this advice:
Exercise prevention - Precautions against solar damage are endorsed. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in December in McSwain?

An average high-temperature, in December, in McSwain, is 59.7°F (15.4°C) and the average low-temperature is 43.7°F (6.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is appraised at 104°F (40°C).

What is the most humid month in McSwain?

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

What is the average humidity in December in McSwain?

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

How many days does it rain in December in McSwain?

In December, in McSwain, Mississippi, the rain falls for 13.8 days. Throughout December, 3.74" (95mm) of precipitation is accumulated.

When does it snow the most in McSwain?

December is the month with the most snowfall. Snow falls for 0.4 days and accumulates 0.39" (10mm) of snow.

When does it start snowing in McSwain?

December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.39" (10mm) of snow.

What is the month with the shortest days in McSwain?

With an average of 10h and 12min of daylight, December has the shortest days of the year in McSwain, Mississippi.

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

The average day length in December in McSwain is 10h and 9min.

What time are sunrise and sunset in December in McSwain?

In December, on the first day of the month, sunrise is at 6:37 am and sunset at 4:52 pm. On the last day of the month, in McSwain, Mississippi, sunrise is at 6:54 am and sunset at 5:03 pm CST.

What is the month with the least sunshine in McSwain?

With an average of 4.9h of sunshine, December has the least sunshine of the year in McSwain.

How long on average sun shines in December in McSwain?

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

When is the lowest UV index in McSwain?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in McSwain.

What is the UV index reading in December in McSwain?

The average daily maximum UV index in December in McSwain is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
McSwain, MS

Average temperature in December - McSwain, MS
  • Average high temperature in December: 59.7°F

The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in December: 43.7°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).

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Average pressure in December
McSwain, MS

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

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Average wind speed in December
McSwain, MS

Average wind speed in December - McSwain, MS
  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).

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Average humidity in December
McSwain, MS

Average humidity in December - McSwain, 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%).

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Average rainfall in December
McSwain, MS

Average rainfall in December - McSwain, MS
  • Average rainfall in December: 3.74"

The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is November (1.77").

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Average rainfall days in December
McSwain, MS

Average rainfall days in December - McSwain, MS
  • Average rainfall days in December: 13.8 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.7 days).

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Average snowfall in December
McSwain, MS

Average snowfall in December - McSwain, MS
  • Average snowfall in December: 0.39"

The month with the highest snowfall is December (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
McSwain, MS

Average snowfall days in December - McSwain, MS
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - McSwain, MS
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in December
McSwain, MS

Average sunshine days in December - McSwain, MS
  • Average sunshine days in December: 14.9 days

The months with the most sunshine days are October and November (19.8 days).
The month with the least sunshine days is August (6.4 days).

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Average UV index in December
McSwain, MS

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

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

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Average cloud cover in December
McSwain, MS

Average cloud cover in December - McSwain, MS
  • Average cloud cover in December: 49

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in December
McSwain, MS

Average visibility in December - McSwain, MS
  • Average visibility in December: 5mi

The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).

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McSwain, Mississippi, USA

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