December weather forecast
Marion, MS

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Weather in December

The first month of the winter, December, is still a refreshing month in Marion, Mississippi, with an average temperature ranging between min 41.9°F (5.5°C) and max 56.8°F (13.8°C).

Temperature

December ushers in a minute temperature change, with average high-temperatures reducing from November's refreshing 64.6°F (18.1°C) to a moderate 56.8°F (13.8°C). Marion temperatures generally rest at a low of 41.9°F (5.5°C) during the December nights.

Humidity

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

Rainfall

December is the month with the most rainfall. Rain falls for 13 days and accumulates 3.78" (96mm) of precipitation.

Snowfall

Months with snowfall are January, February, November and December. The months with the most snowfall are January and December, with an average 0.39" (10mm) of accumulated snow.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of December, sunrise is at 6:38 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:59 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 4.8h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 3 in December leads to these guidelines:
Guard yourself - Avoiding sunburn is suggested. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

What is the usual temperature for Marion in December?

In Marion, 56.8°F (13.8°C) is the average high-temperature and 41.9°F (5.5°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 98.6°F (37°C).

What is the most humid month?

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

What is the average humidity in December?

The average relative humidity in December is 81%.

What is the rainiest month?

December is the month with the most rainfall. Rain falls for 13 days and accumulates 3.78" (96mm) of precipitation.

How many days does it rain in December?

In Marion, in December, during 13 rainfall days, 3.78" (96mm) of precipitation is typically accumulated.

When does it snow the most?

The months with the most snowfall are January and December, with an average 0.39" (10mm) of accumulated snow.

How much does it snow in December?

In Marion, Mississippi, in December, snow falls for 0.5 days, with typically accumulated 0.39" (10mm) of snow.

What is the month with the shortest days?

With an average of 10h and 6min of daylight, December has the shortest days of the year.

How many hours of daylight does Marion have in December?

The average day length in December is 10h and 4min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:38 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:59 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 4.8h of sunshine.

How many hours of sunshine does Marion have in December?

In December, the average sunshine duration is 4.8h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
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
Marion, MS

Average temperature in December - Marion, MS
  • Average high temperature in December: 56.8°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (54.1°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).

Average pressure in December
Marion, MS

Average pressure in December - Marion, 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).

Average wind speed in December
Marion, MS

Average wind speed in December - Marion, MS
  • Average wind speed in December: 7.3mph

The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in December
Marion, MS

Average humidity in December - Marion, 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 (70%).

Average rainfall in December
Marion, MS

Average rainfall in December - Marion, MS
  • Average rainfall in December: 3.78"

The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in December
Marion, MS

Average rainfall days in December - Marion, MS
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (8.4 days).

Average snowfall in December
Marion, MS

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

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

Average snowfall days in December
Marion, MS

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

The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Marion, 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 6min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in December
Marion, MS

Average sunshine days in December - Marion, MS
  • Average sunshine days in December: 16 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (8.7 days).

Average UV index in December
Marion, MS

Average UV index in December - Marion, 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 and December (UV index 3).

Average cloud cover in December
Marion, MS

Average cloud cover in December - Marion, 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 October (Cloud cover 30).

Average visibility in December
Marion, MS

Average visibility in December - Marion, MS
  • Average visibility in December: 6mi

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

Marion, Mississippi, USA

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