December weather forecast
Deen, MS

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Weather in December

December, the first month of the winter in Deen, is also a moderate month, with an average temperature fluctuating between 43.2°F (6.2°C) and 59°F (15°C).

Temperature

Deen in December undergoes a slight reduction in the average high-temperature, shifting from November's enjoyable 66°F (18.9°C) to a mild 59°F (15°C). Deen's temperature tends to fall to an average low of 43.2°F (6.2°C) during the nights of December.

Humidity

December is the most humid month, with an average relative humidity of 82%.

Rainfall

The month with the most rainfall is December, when the rain falls for 13.5 days and typically aggregates up to 3.74" (95mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. In Deen, during the entire year, snow falls for 0.9 days and aggregates up to 0.55" (14mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 6:40 am and sunset at 4:55 pm. On the last day of December, sunrise is at 6:58 am and sunset at 5:06 pm CST.

Sunshine

The months with the least sunshine are February and 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 unsafe exposure to UV radiation for the ordinary person.
Note: A maximum daily UV index of 3 during December morphs into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

The average high-temperature, in December, in Deen, is 59°F (15°C), while the average low-temperature is 43.2°F (6.2°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is estimated at 102.2°F (39°C).

What is the most humid month?

December is the most humid month in Deen, with an average relative humidity of 82%.

What is the average humidity in December?

In December, the average relative humidity is 82%.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 13.5 days and typically aggregates up to 3.74" (95mm) of precipitation.

How many days does it rain in December?

In Deen, in December, it is raining for 13.5 days, with typically 3.74" (95mm) of accumulated precipitation.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.12" (3mm) 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 Deen have in December?

In December, the average day length is 10h and 8min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:40 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:06 pm CST.

What is the month with the least sunshine?

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

How many hours of sunshine does Deen have in December?

In December, the average sunshine duration is 4.9h.

What is the month with the lowest UV index in Deen?

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

What is the UV index intensity 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Deen, MS

Average temperature in December - Deen, MS
  • Average high temperature in December: 59°F

The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in December: 43.2°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (39°F).

Average pressure in December
Deen, MS

Average pressure in December - Deen, 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
Deen, MS

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

The windiest months (with the highest average wind speed) are January, February and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in December
Deen, MS

Average humidity in December - Deen, MS
  • Average humidity in December: 82%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Deen, MS

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

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is November (2.01").

Average rainfall days in December
Deen, MS

Average rainfall days in December - Deen, MS
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in December
Deen, MS

Average snowfall in December - Deen, MS
  • Average snowfall in December: 0.12"

The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Deen, MS

Average snowfall days in December - Deen, MS
  • Average snowfall days in December: 0.1 days

The months with the highest number of snowfall days are January and February (0.3 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
Deen, MS

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

Average sunshine days in December
Deen, MS

Average sunshine days in December - Deen, MS
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is August (9 days).

Average UV index in December
Deen, MS

Average UV index in December - Deen, 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
Deen, MS

Average cloud cover in December - Deen, 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
Deen, MS

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

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

Deen, Mississippi, USA

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