December weather forecast
Dillon, MS

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Weather in December

The first month of the winter, December, is still a refreshing month in Dillon, Mississippi, with an average temperature varying between 44.6°F (7°C) and 59.7°F (15.4°C).

Temperature

The advent of December brings a subtle shift in temperature, with the average high moving from a comfortable 66.6°F (19.2°C) in November to a moderate 59.7°F (15.4°C). Dillon's temperature tends to fall to an average low of 44.6°F (7°C) during the nights of December.

Humidity

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

Rainfall

In Dillon, during December, the rain falls for 14.2 days and regularly aggregates up to 3.46" (88mm) of precipitation. In Dillon, during the entire year, the rain falls for 174 days and collects up to 34.29" (871mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. The months with the most snowfall are January and December, with an average 0.24" (6mm) of accumulated snow.

Daylight

December has the shortest days of the year, with an average of 10h and 12min of daylight.
On the first day of December, sunrise is at 6:41 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:09 pm CST.

Sunshine

The months with the least sunshine are February and December, 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 value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The UV index of 3 during December leads to these advisories:
Undertake precautions - It is suggested to shield oneself from sunburn. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

In December, the average high-temperature and low-temperature are 59.7°F (15.4°C) and 44.6°F (7°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 102.2°F (39°C).

What is the most humid month?

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

What is the average humidity in December?

The average relative humidity in December is 81%.

How much does it rain in December?

In Dillon, during December, the rain falls for 14.2 days and regularly aggregates up to 3.46" (88mm) of precipitation.

What is the snowiest month in Dillon?

The months with the most snowfall are January and December, with an average 0.24" (6mm) of accumulated snow.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.24" (6mm) of snow.

What is the month with the shortest days in Dillon?

With an average of 10h and 12min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

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

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:41 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:09 pm CST.

What are the months with the least sunshine?

February and December, with an average of 4.8h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

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

When is the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Dillon, MS

Average temperature in December - Dillon, MS
  • Average high temperature in December: 59.7°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in December: 44.6°F

The months with the highest average low temperature are July and August (72.7°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure in December
Dillon, MS

Average pressure in December - Dillon, 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
Dillon, MS

Average wind speed in December - Dillon, MS
  • Average wind speed in December: 6.5mph

The windiest months (with the highest average wind speed) are February and April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

Average humidity in December
Dillon, MS

Average humidity in December - Dillon, 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
Dillon, MS

Average rainfall in December - Dillon, MS
  • Average rainfall in December: 3.46"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in December
Dillon, MS

Average rainfall days in December - Dillon, MS
  • Average rainfall days in December: 14.2 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (9 days).

Average snowfall in December
Dillon, MS

Average snowfall in December - Dillon, MS
  • Average snowfall in December: 0.24"

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

Average snowfall days in December
Dillon, MS

Average snowfall days in December - Dillon, MS
  • Average snowfall days in December: 0.3 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
Dillon, MS

Average daylight in December / Average sunshine in December - Dillon, MS
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • 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 48min).

Average sunshine days in December
Dillon, MS

Average sunshine days in December - Dillon, MS
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.5 days).

Average UV index in December
Dillon, MS

Average UV index in December - Dillon, 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
Dillon, MS

Average cloud cover in December - Dillon, MS
  • Average cloud cover in December: 50

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in December
Dillon, MS

Average visibility in December - Dillon, MS
  • Average visibility in December: 5mi

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

Dillon, Mississippi, USA

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