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
December is characterized by a slight reduction in average high-temperature, easing from a comfortable 63.9°F (17.7°C) in November to a still refreshing 56.8°F (13.8°C). During the month of December, an average temperature of 41.7°F (5.4°C) is noted during the nights.Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
In December, the rain falls for 11.5 days. Throughout December, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 145.8 rainfall days, and 24.57" (624mm) of precipitation is accumulated.Snowfall
Months with snowfall in Cullum are January, February, November and December. In Cullum, during December, snow falls for 0.3 days and regularly aggregates up to 0.35" (9mm) of snow. In Cullum, during the entire year, snow falls for 2.5 days and aggregates up to 1.1" (28mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:39 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:59 pm CST.
Sunshine
The months with the least sunshine in Cullum are February and December, with an average of 4.8h of sunshine.UV index
January 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 average individuals.Note: The UV index of 3 during December leads to these advisories:
Guard yourself - An obligation to protect skin and eyes from harm exists. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim 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 is the usual temperature for Cullum in December?
What is the most humid month in Cullum?
What is the average humidity in December in Cullum?
How many days does it rain in December in Cullum?
How many days does it snow in December in Cullum?
What is the month with the shortest days in Cullum?
How many hours of daylight does Cullum have in December?
When are sunrise and sunset in December in Cullum?
What are the months with the least sunshine in Cullum?
How many hours of sunshine does Cullum have in December?
When is the lowest UV index in Cullum?
What is the UV index reading in December in Cullum?
Average temperature in December
Cullum, MS
- Average high temperature in December: 56.8°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in December: 41.7°F
The months with the highest average low temperature are July and August (71.6°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in December
Cullum, 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
Cullum, MS
- Average wind speed in December: 7.4mph
The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Cullum, 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
Cullum, MS
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Cullum, MS
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Cullum, MS
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Cullum, MS
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.9 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
Cullum, MS
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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
Cullum, MS
- Average sunshine days in December: 17.9 days
The months with the most sunshine days are October and November (21.3 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in December
Cullum, MS
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Cullum, MS
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Cullum, MS
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Cullum, Mississippi, USA
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