December weather forecast
Diamondhead, MS

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Weather in December

December ushers in winter, noticeable through the drop in temperatures that fall between the ranges of 50.7°F (10.4°C) to 62.1°F (16.7°C) in Diamondhead. The continuation of shorter daylight hours and a relative increase in humidity to 79% characteristically signal the arrival of colder months. Heightened cloud cover standing at 44% makes for comparatively dull days. Despite decreased temperature, the average wind speed slightly rises to 8.6mph (13.8km/h), and gusts reach up to 13.7mph (22km/h), sprinkling a certain chill in the air to wrap up the year.

Temperature

A mild shift in the average high-temperature occurs in December, reducing from a pleasant 68.2°F (20.1°C) in November to a comfortable 62.1°F (16.7°C). Throughout December, the temperature in Diamondhead falls to an average low of 50.7°F (10.4°C).

Humidity

With an average relative humidity of 79%, December is the most humid month in Diamondhead, Mississippi.

Rainfall

In Diamondhead, in December, it is raining for 8.3 days, with typically 0.91" (23mm) of accumulated precipitation. Throughout the year, in Diamondhead, Mississippi, there are 131.5 rainfall days, and 12.01" (305mm) of precipitation is accumulated.

Snowfall

In Diamondhead, snow does not fall in February through December.

Daylight

December has the shortest days of the year, with an average of 10h and 12min of daylight.
On the first day of the month, sunrise is at 6:37 am and sunset at 4:56 pm. On the last day of December, sunrise is at 6:54 am and sunset at 5:07 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 5.3h of sunshine.

UV index

The months with the lowest UV index in Diamondhead are January, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 4 during December translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What is the usual temperature for Diamondhead in December?

In December, in Diamondhead, the average high-temperature is 62.1°F (16.7°C), and the average low-temperature is 50.7°F (10.4°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 96.8°F (36°C).

What is the most humid month in Diamondhead?

With an average relative humidity of 79%, December is the most humid month in Diamondhead.

What is the average humidity in December in Diamondhead?

In December, the average relative humidity in Diamondhead is 79%.

How much does it rain in Diamondhead in December?

In Diamondhead, Mississippi, in December, during 8.3 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow in Diamondhead?

In Diamondhead, Mississippi, snow does not fall in February through December.

Does it snow in Diamondhead in December?

In Diamondhead, Mississippi, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Diamondhead?

The month with the shortest days in Diamondhead, Mississippi, is December, with an average of 10h and 12min of daylight.

What is the average length of the day in December in Diamondhead?

The average day length in December in Diamondhead, Mississippi, is 10h and 13min.

When is the sunrise / sunset in December in Diamondhead?

In December, on the first day of the month, sunrise is at 6:37 am and sunset at 4:56 pm. On the last day of the month, in Diamondhead, Mississippi, sunrise is at 6:54 am and sunset at 5:07 pm CST.

What is the month with the least sunshine in Diamondhead?

December has the least sunshine of the year in Diamondhead, Mississippi, with an average of 5.3h of sunshine.

How many hours of sunshine does Diamondhead have in December?

In Diamondhead, Mississippi, the average sunshine duration in December is 5.3h.

What are the months with the lowest UV index in Diamondhead?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 4.

What is the UV index intensity in December in Diamondhead?

In December, the average daily maximum UV index in Diamondhead, Mississippi, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Diamondhead, MS

Average temperature in December - Diamondhead, MS
  • Average high temperature in December: 62.1°F

The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (58.8°F).

  • Average low temperature in December: 50.7°F

The month with the highest average low temperature is August (77.9°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).

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Average pressure in December
Diamondhead, MS

Average pressure in December - Diamondhead, MS
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

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Average wind speed in December
Diamondhead, MS

Average wind speed in December - Diamondhead, MS
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in December
Diamondhead, MS

Average humidity in December - Diamondhead, MS
  • Average humidity in December: 79%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Diamondhead, MS

Average rainfall in December - Diamondhead, MS
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is March (0.51").

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Average rainfall days in December
Diamondhead, MS

Average rainfall days in December - Diamondhead, MS
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is November (4.9 days).

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Average snowfall days in December
Diamondhead, MS

Average snowfall days in December - Diamondhead, MS
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in December / Average sunshine in December - Diamondhead, 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: 5h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in December
Diamondhead, MS

Average sunshine days in December - Diamondhead, MS
  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is August (8 days).

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Average UV index in December
Diamondhead, MS

Average UV index in December - Diamondhead, MS
  • Average UV index in December: 4

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).

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Average cloud cover in December
Diamondhead, MS

Average cloud cover in December - Diamondhead, MS
  • Average cloud cover in December: 44

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 23).

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Average visibility in December
Diamondhead, MS

Average visibility in December - Diamondhead, 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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Diamondhead, Mississippi, USA

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