December weather forecast
Irene, MS

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Weather in December

The first month of the winter, December, is also a moderate month in Irene, Mississippi, with an average temperature ranging between min 44.1°F (6.7°C) and max 59.4°F (15.2°C).

Temperature

The start of December comes with a small reduction in the average high-temperature, subtly receding from an enjoyable 66.4°F (19.1°C) in November to a mild 59.4°F (15.2°C). During the month of December, the temperature generally drops to a low average of 44.1°F (6.7°C).

Humidity

February and December, with an average relative humidity of 82%, are the most humid months.

Rainfall

In December, in Irene, the rain falls for 11.5 days. Throughout December, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 159.9 rainfall days, and 22.83" (580mm) of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall. The months with the most snowfall are January and December, with an average 0.2" (5mm) of accumulated snow.

Daylight

The month with the shortest days is December, with an average of 10h and 12min of daylight.
On the first day of December, sunrise is at 6:43 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:10 pm CST.

Sunshine

February and December, with an average of 4.8h of sunshine, are months with the least 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 of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 3 in December transforms into this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

What is the usual temperature for Irene in December?

The average high-temperature and low-temperature during December are 59.4°F (15.2°C) and 44.1°F (6.7°C) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 102.2°F (39°C).

What is the most humid month in Irene?

The months with the highest humidity are February and December, with an average relative humidity of 82%.

What is the average humidity in December?

In Irene, the average relative humidity in December is 82%.

How many days does it rain in December?

In Irene, in December, it is raining for 11.5 days, with typically 1.77" (45mm) of accumulated precipitation.

What is the snowiest month?

The months with the most snowfall are January and December, with an average 0.2" (5mm) of accumulated snow.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.2" (5mm) of snow.

What is the month with the shortest days in Irene?

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

How many hours of daylight does Irene have in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:43 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:10 pm CST.

What is the month 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?

The average sunshine duration in December is 4.8h.

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

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

How high is the UV index in December in Irene?

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
Irene, MS

Average temperature in December - Irene, MS
  • Average high temperature in December: 59.4°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (56.7°F).

  • Average low temperature in December: 44.1°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).

Average pressure in December
Irene, MS

Average pressure in December - Irene, 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
Irene, MS

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

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

Average humidity in December
Irene, MS

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

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Irene, MS

Average rainfall in December - Irene, MS
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is November (1.1").

Average rainfall days in December
Irene, MS

Average rainfall days in December - Irene, MS
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in December
Irene, MS

Average snowfall in December - Irene, MS
  • Average snowfall in December: 0.2"

The months with the highest snowfall are January and December (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Irene, MS

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

The months with the highest number of snowfall days are January and December (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
Irene, MS

Average daylight in December / Average sunshine in December - Irene, 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 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in December
Irene, MS

Average sunshine days in December - Irene, MS
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is July (8 days).

Average UV index in December
Irene, MS

Average UV index in December - Irene, 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
Irene, MS

Average cloud cover in December - Irene, MS
  • Average cloud cover in December: 51

The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in December
Irene, MS

Average visibility in December - Irene, 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).

Irene, Mississippi, USA

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