December weather forecast
Petal, MS

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Weather in December

The first month of the winter, December, is still a refreshing month in Petal, 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

With the onset of December, the average high-temperature subtly recedes from November's comfortable 66.7°F (19.3°C) to a mild 59.7°F (15.4°C). Petal's temperature tends to fall to an average low of 43.7°F (6.5°C) during the nights of December.

Humidity

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

Rainfall

In Petal, during December, the rain falls for 13.8 days and regularly aggregates up to 3.74" (95mm) of precipitation. Throughout the year, there are 177.1 rainfall days, and 36.42" (925mm) of precipitation is accumulated.

Snowfall

January through March 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

The month with the shortest days in Petal is December, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 6:38 am and sunset at 4:53 pm. On the last day of December, in Petal, sunrise is at 6:55 am and sunset at 5:04 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 4.9h 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 health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 3 in December transforms into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Petal in December?

In December, in Petal, the average high-temperature 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. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in September is evaluated at 104°F (40°C).

What is the most humid month?

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

What is the average humidity in December?

In December, the average relative humidity is 81%.

How many days does it rain in December?

In Petal, in December, it is raining for 13.8 days, with typically 3.74" (95mm) of accumulated precipitation.

What is the snowiest month?

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.

When does it start to snow?

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?

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

What is the average length of the day in December?

In Petal, the average day length in December is 10h and 9min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:38 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 5:04 pm CST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 4.9h of sunshine.

How many hours of sunshine does Petal have in December?

The average sunshine duration in December is 4.9h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

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

Average temperature in December - Petal, 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).

Average pressure in December
Petal, MS

Average pressure in December - Petal, 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).

Average wind speed in December
Petal, MS

Average wind speed in December - Petal, 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).

Average humidity in December
Petal, MS

Average humidity in December - Petal, 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%).

Average rainfall in December
Petal, MS

Average rainfall in December - Petal, 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").

Average rainfall days in December
Petal, MS

Average rainfall days in December - Petal, 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).

Average snowfall in December
Petal, MS

Average snowfall in December - Petal, 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").

Average snowfall days in December
Petal, MS

Average snowfall days in December - Petal, 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).

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

Average daylight in December / Average sunshine in December - Petal, 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 54min).

Average sunshine days in December
Petal, MS

Average sunshine days in December - Petal, 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).

Average UV index in December
Petal, MS

Average UV index in December - Petal, 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).

Average cloud cover in December
Petal, MS

Average cloud cover in December - Petal, 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).

Average visibility in December
Petal, MS

Average visibility in December - Petal, 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).

Petal, Mississippi, USA

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