December weather forecast
Pearl River, MS

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Weather in December

December, the first month of the winter in Pearl River, is still a mild month, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 55.6°F (13.1°C).

Temperature

As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a refreshing 62.8°F (17.1°C) to a mild 55.6°F (13.1°C). Pearl River experiences an average low-temperature of 41.4°F (5.2°C) in month of December.

Humidity

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

Rainfall

In December, the rain falls for 12.9 days. Throughout December, 3.39" (86mm) of precipitation is accumulated. Throughout the year, there are 164.1 rainfall days, and 36.18" (919mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Pearl River. In December, in Pearl River, it is snowing for 0.3 days. Throughout December, 0.2" (5mm) of snow is accumulated. Throughout the year, there are 2.8 snowfall days, and 1.18" (30mm) 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 the month, sunrise is at 6:41 am and sunset at 4:50 pm. On the last day of December, in Pearl River, sunrise is at 6:59 am and sunset at 5:01 pm CST.

Sunshine

February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Pearl River.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. 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: In December, a daily UV index of 3 turns into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What is the average December temperature in Pearl River?

In Pearl River, in December, the average high-temperature is 55.6°F (13.1°C), and the average low-temperature is 41.4°F (5.2°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is calculated to be 96.8°F (36°C).

What is the most humid month in Pearl River?

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

What is the average humidity in December in Pearl River?

In Pearl River, Mississippi, the average relative humidity in December is 81%.

How many days does it rain in December in Pearl River?

In December, the rain falls for 12.9 days. Throughout December, 3.39" (86mm) of precipitation is accumulated.

How much does it snow in Pearl River in December?

In December, it is snowing for 0.3 days. Throughout December, 0.2" (5mm) of snow is accumulated.

What is the month with the shortest days in Pearl River?

December has the shortest days of the year, with an average of 10h and 0min of daylight.

What is the average length of the day in December in Pearl River?

In December, the average day length is 10h and 2min.

When is the sunrise / sunset in December in Pearl River?

In December, on the first day of the month, sunrise is at 6:41 am and sunset at 4:50 pm. On the last day of the month, in Pearl River, sunrise is at 6:59 am and sunset at 5:01 pm CST.

What are the months with the least sunshine in Pearl River?

February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Pearl River, Mississippi.

How many hours of sunshine does Pearl River have in December?

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

What is the month with the lowest UV index in Pearl River?

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

How high is the UV index in December in Pearl River?

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes 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
Pearl River, MS

Average temperature in December - Pearl River, MS
  • Average high temperature in December: 55.6°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (53.1°F).

  • Average low temperature in December: 41.4°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (37°F).

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Average pressure in December
Pearl River, MS

Average pressure in December - Pearl River, 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).

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Average wind speed in December
Pearl River, MS

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

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Pearl River, MS

Average humidity in December - Pearl River, 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%).

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Average rainfall in December
Pearl River, MS

Average rainfall in December - Pearl River, MS
  • Average rainfall in December: 3.39"

The wettest months (with the highest rainfall) are February and April (3.5").
The driest months (with the least rainfall) are October and November (2.24").

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Average rainfall days in December
Pearl River, MS

Average rainfall days in December - Pearl River, MS
  • Average rainfall days in December: 12.9 days

The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is November (8.8 days).

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Average snowfall in December
Pearl River, MS

Average snowfall in December - Pearl River, MS
  • Average snowfall in December: 0.2"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Pearl River, MS

Average snowfall days in December - Pearl River, MS
  • Average snowfall days in December: 0.3 days

The months with the highest number of snowfall days are January and February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Pearl River, MS

Average daylight in December / Average sunshine in December - Pearl River, 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 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in December
Pearl River, MS

Average sunshine days in December - Pearl River, MS
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in December
Pearl River, MS

Average UV index in December - Pearl River, 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).

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Average cloud cover in December
Pearl River, MS

Average cloud cover in December - Pearl River, MS
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are September and October (Cloud cover 29).

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Average visibility in December
Pearl River, MS

Average visibility in December - Pearl River, 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).

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Pearl River, Mississippi, USA

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