Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition to December results in a modest reduction in average high-temperature, moving from a refreshing 58.8°F (14.9°C) in November to a cool 50.9°F (10.5°C). In December, Lamar's temperature tends to fall to an average low of 37.8°F (3.2°C) during the night.Humidity
In Lamar, the average relative humidity in December is 79%.Rainfall
In Lamar, during December, the rain falls for 12.3 days and regularly aggregates up to 3.98" (101mm) of precipitation. Throughout the year, in Lamar, there are 164.9 rainfall days, and 40.71" (1034mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Lamar. In Lamar, in December, during 1.5 snowfall days, 0.67" (17mm) of snow is typically accumulated. In Lamar, during the entire year, snow falls for 7.9 days and aggregates up to 3.15" (80mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Lamar.On the first day of December, sunrise is at 6:47 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:56 pm CST.
Sunshine
The average sunshine in December is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 in December translates into these instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Lamar have in December?
When are sunrise and sunset in December?
How long on average sun shines in December in Lamar?
What is the month with the lowest UV index in Lamar?
What is the UV index reading in December?
Average temperature in December
Lamar, MS
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Lamar, 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 (29.95"Hg).
Average wind speed in December
Lamar, MS
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).
Average humidity in December
Lamar, MS
- Average humidity in December: 79%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Lamar, MS
- Average rainfall in December: 3.98"
The wettest month (with the highest rainfall) is February (4.61").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Lamar, MS
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is October (10 days).
Average snowfall in December
Lamar, MS
- Average snowfall in December: 0.67"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Lamar, MS
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lamar, MS
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Lamar, MS
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
Lamar, MS
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Lamar, MS
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Lamar, 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).
Lamar, Mississippi, USA
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