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
December
Weather in December
Temperature
December signifies a minor drop in average high-temperature, transitioning from a comfortable 65.1°F (18.4°C) in November to a still refreshing 57.9°F (14.4°C). In the month of December, Mendenhall witnesses a consistent average low-temperature of 43°F (6.1°C).Humidity
The most humid month is December, with an average relative humidity of 81%.Rainfall
In Mendenhall, in December, during 11 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Mendenhall, during the entire year, the rain falls for 145.2 days and collects up to 21.73" (552mm) of precipitation.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.4 snowfall days, and 0.2" (5mm) of snow is accumulated.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:42 am and sunset at 4:54 pm. On the last day of December, sunrise is at 6:59 am and sunset at 5:05 pm CST.
Sunshine
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Mendenhall have in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Mendenhall have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mendenhall, MS
- Average high temperature in December: 57.9°F
The warmest months (with the highest average high temperature) are July and August (91.6°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in December: 43°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in December
Mendenhall, 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
Mendenhall, MS
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Mendenhall, 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 (70%).
Average rainfall in December
Mendenhall, MS
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is August (2.64").
The driest month (with the least rainfall) is November (1.34").
Average rainfall days in December
Mendenhall, MS
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is October (7.4 days).
Average snowfall in December
Mendenhall, MS
- Average snowfall in December: 0.04"
The months with the highest snowfall are January and February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Mendenhall, MS
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.7 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
Mendenhall, MS
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- 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
Mendenhall, MS
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in December
Mendenhall, 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
Mendenhall, MS
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Mendenhall, MS
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).