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's onset introduces a mild reduction in the average high-temperature, from an enjoyable 66°F (18.9°C) in November to a still refreshing 59°F (15°C). During the nights in December, the temperature averages to a frosty 43.7°F (6.5°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 82%.Rainfall
In December, the rain falls for 10.7 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 151.2 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
January, March and December are months with snowfall. The months with the most snowfall are January and December, with an average 0.12" (3mm) of accumulated snow.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 6:44 am and sunset at 4:59 pm. On the last day of December, sunrise is at 7:01 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
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 health hazard from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Smithdale have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Smithdale have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Smithdale, MS
- Average high temperature in December: 59°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (56.7°F).
- Average low temperature in December: 43.7°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in December
Smithdale, 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
Smithdale, MS
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Smithdale, 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
Smithdale, MS
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is November (0.79").
Average rainfall days in December
Smithdale, MS
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in December
Smithdale, MS
- Average snowfall in December: 0.12"
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are February, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Smithdale, 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
Smithdale, 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 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Smithdale, MS
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in December
Smithdale, 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
Smithdale, 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
Smithdale, 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).
Smithdale, Mississippi, USA
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