December weather forecast
Meridian, MS

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Weather in December

December brings the cold winter weather to Meridian. With the average high temperature dropping to 57.2°F (14°C), it is the coolest in comparison to the rest of the year. However, December also experiences the highest relative humidity across the year at 81%. There is also notable increase in rainfall from 1.81" (46mm) in November to 3.23" (82mm). Marking the end of the year, December's colder temperatures and extended periods of rainfall provide a respite from Mississippi's otherwise warm weather.

Temperature

December in Meridian is characterized by a slight reduction in average high-temperature, easing from an enjoyable 64.6°F (18.1°C) in November to a still refreshing 57.2°F (14°C). Meridian observes an average nighttime low-temperature of 41.9°F (5.5°C) during the month of December.

Humidity

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

Rainfall

In Meridian, in December, during 12.3 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Meridian, Mississippi, during the entire year, the rain falls for 158.9 days and collects up to 31.57" (802mm) of precipitation.

Snowfall

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

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year in Meridian, Mississippi.
On the first day of the month, sunrise is at 6:38 am and sunset at 4:49 pm. On the last day of December, in Meridian, Mississippi, sunrise is at 6:56 am and sunset at 5:00 pm CST.

Sunshine

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

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What is the temperature in December in Meridian?

The average high-temperature, in December, in Meridian, is 57.2°F (14°C), while the average low-temperature is 41.9°F (5.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in September is computed to be 98.6°F (37°C).

What is the most humid month in Meridian?

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

What is the average humidity in December in Meridian?

The average relative humidity in December in Meridian, Mississippi, is 81%.

How much does it rain in Meridian in December?

In Meridian, Mississippi, during December, the rain falls for 12.3 days and regularly aggregates up to 3.23" (82mm) of precipitation.

What is the snowiest month in Meridian?

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

How much does it snow in Meridian in December?

In December, in Meridian, Mississippi, it is snowing for 0.4 days. Throughout December, 0.39" (10mm) of snow is accumulated.

What is the month with the shortest days in Meridian?

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

How many hours of daylight does Meridian have in December?

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

When is the sunrise / sunset in December in Meridian?

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 6:56 am and sunset at 5:00 pm CST.

What is the month with the least sunshine in Meridian?

With an average of 4.8h of sunshine, December has the least sunshine of the year in Meridian, Mississippi.

How long on average sun shines in December in Meridian?

In Meridian, Mississippi, the average sunshine duration in December is 4.8h.

When is the lowest UV index in Meridian?

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

How high is the UV index in December in Meridian?

In Meridian, Mississippi, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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
Meridian, MS

Average temperature in December - Meridian, MS
  • Average high temperature in December: 57.2°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (54.5°F).

  • Average low temperature in December: 41.9°F

The months with the highest average low temperature are July and August (71.6°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

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Average pressure in December
Meridian, MS

Average pressure in December - Meridian, 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
Meridian, MS

Average wind speed in December - Meridian, MS
  • Average wind speed in December: 7.1mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in December
Meridian, MS

Average humidity in December - Meridian, 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
Meridian, MS

Average rainfall in December - Meridian, MS
  • Average rainfall in December: 3.23"

The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is November (1.81").

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Average rainfall days in December
Meridian, MS

Average rainfall days in December - Meridian, MS
  • Average rainfall days in December: 12.3 days

The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in December
Meridian, MS

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

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

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Average snowfall days in December
Meridian, MS

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

The month with the highest number of snowfall days is January (0.9 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
Meridian, MS

Average daylight in December / Average sunshine in December - Meridian, 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 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in December
Meridian, MS

Average sunshine days in December - Meridian, MS
  • Average sunshine days in December: 16.4 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (8.2 days).

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Average UV index in December
Meridian, MS

Average UV index in December - Meridian, 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
Meridian, MS

Average cloud cover in December - Meridian, 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 29).

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Average visibility in December
Meridian, MS

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

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

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Meridian, Mississippi, USA

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