December weather forecastMyrtle, MS
December
Weather in December
December, the first month of the winter in Myrtle, is still a cool month, with an average temperature fluctuating between 52.3°F (11.3°C) and 38.3°F (3.5°C).Temperature
With the onset of December, Myrtle's average high-temperature slightly adjusts, moderately receding from November's mild 59.9°F (15.5°C) to a fresh 52.3°F (11.3°C). Throughout December, an average low-temperature of 38.3°F (3.5°C) is experienced.Humidity
March and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In December, in Myrtle, the rain falls for 9 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 123 rainfall days, and 12.91" (328mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Myrtle.On the first day of the month, sunrise is at 6:45 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:03 am and sunset at 4:56 pm CST.
Sunshine
In December, the average sunshine is 4.6h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Myrtle, MS
- Average high temperature in December: 52.3°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 (48.7°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in December
Myrtle, 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
Myrtle, MS
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Myrtle, MS
- Average humidity in December: 80%
The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Myrtle, MS
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is July (1.57").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in December
Myrtle, MS
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Myrtle, MS
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Myrtle, MS
- Average snowfall days in December: 0.7 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
Myrtle, MS
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Myrtle, MS
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in December
Myrtle, MS
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Myrtle, MS
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in December
Myrtle, MS
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
