December weather forecast
Blair, MS

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Weather in December

The first month of the winter, December, is still a cool month in Blair, Mississippi, with an average temperature varying between 38.5°F (3.6°C) and 52.2°F (11.2°C).

Temperature

December implies a soft temperature shift, with average high-temperatures reducing from November's moderate 59.9°F (15.5°C) to a cool 52.2°F (11.2°C). During December, Blair experiences an average low-temperature of 38.5°F (3.6°C) at night.

Humidity

The months with the highest humidity are March and December, with an average relative humidity of 80%.

Rainfall

In Blair, in December, it is raining for 13.5 days, with typically 3.46" (88mm) of accumulated precipitation. In Blair, during the entire year, the rain falls for 165 days and collects up to 39.29" (998mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Blair. In Blair, Mississippi, in December, during 0.7 snowfall days, 0.24" (6mm) of snow is typically accumulated. Throughout the year, there are 5.3 snowfall days, and 1.34" (34mm) of snow is accumulated.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:43 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:55 pm CST.

Sunshine

The average sunshine in December is 4.7h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A daily high UV index of 2 in December leads to these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Stay sun-safe with clothing that is both closely woven and worn loosely. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

The high-temperature, in December, in Blair, records 52.2°F (11.2°C), while the low-temperature is 38.5°F (3.6°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in September is calculated to be 93.2°F (34°C).

What are the most humid months?

The months with the highest humidity are March and December, with an average relative humidity of 80%.

What is the average humidity in December?

In December, the average relative humidity in Blair is 80%.

How many days does it rain in December?

In December, the rain falls for 13.5 days. Throughout December, 3.46" (88mm) of precipitation is accumulated.

How much does it snow in December?

In Blair, during December, snow falls for 0.7 days and regularly aggregates up to 0.24" (6mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 54min of daylight.

How many hours of daylight does Blair have in December?

The average day length in December is 9h and 54min.

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 4:44 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:55 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 4.7h.

What is the month with the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 2.

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health 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
Blair, MS

Average temperature in December - Blair, MS
  • Average high temperature in December: 52.2°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in December: 38.5°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34°F).

Average pressure in December
Blair, MS

Average pressure in December - Blair, MS
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Blair, MS

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

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).

Average humidity in December
Blair, MS

Average humidity in December - Blair, MS
  • Average humidity in December: 80%

The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Blair, MS

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

The wettest month (with the highest rainfall) is February (4.29").
The driest month (with the least rainfall) is September (2.24").

Average rainfall days in December
Blair, MS

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

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in December
Blair, MS

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

The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Blair, MS

Average snowfall days in December - Blair, MS
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Blair, MS
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 4h and 4min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Blair, MS

Average sunshine days in December - Blair, MS
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (10.7 days).

Average UV index in December
Blair, MS

Average UV index in December - Blair, MS
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Blair, MS

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

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 29).

Average visibility in December
Blair, MS

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

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

Blair, Mississippi, USA

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