December weather forecastEmerald, MS
December
Weather in December
December, the first month of the winter in Emerald, is still a refreshing month, with an average temperature varying between 59.4°F (15.2°C) and 44.1°F (6.7°C).Temperature
The transition into December involves a small decrease in the average high-temperature, dipping slightly from a comfortable 66.4°F (19.1°C) in November to a still refreshing 59.4°F (15.2°C). In Emerald, an average temperature of 44.1°F (6.7°C) is noted during December nights.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 82%.Rainfall
In Emerald, during December, the rain falls for 11.5 days and regularly aggregates up to 1.77" (45mm) of precipitation. In Emerald, during the entire year, the rain falls for 159.9 days and collects up to 22.83" (580mm) of precipitation.Snowfall
Months with snowfall are January through March and December. The months with the most snowfall are January and December, with an average 0.2" (5mm) of accumulated snow.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 6:42 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:09 pm CST.
Sunshine
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during December leads to these advisories:
Exercise prevention - Protecting skin and eyes from harm is required. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Emerald, MS
- Average high temperature in December: 59.4°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (56.7°F).
- Average low temperature in December: 44.1°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in December
Emerald, 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
Emerald, MS
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Emerald, 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
Emerald, MS
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in December
Emerald, MS
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Emerald, MS
- Average snowfall in December: 0.2"
The months with the highest snowfall are January and December (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Emerald, 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
Emerald, MS
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Emerald, MS
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is July (8 days).
Average UV index in December
Emerald, 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
Emerald, 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
Emerald, 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).





