December weather forecastMartins Crossroads, SC
December
Weather in December
December, the first month of the winter in Martins Crossroads, is also a moderate month, with an average temperature varying between 57.4°F (14.1°C) and 42.3°F (5.7°C).Temperature
In December, the meteorological conditions change slightly, with the average high-temperature moving from a comfortable 63.5°F (17.5°C) in November to a mild 57.4°F (14.1°C). Martins Crossroads observes an average low-temperature of 42.3°F (5.7°C) during December nights.Humidity
In Martins Crossroads, the average relative humidity in December is 78%.Rainfall
In December, the rain falls for 9.9 days. Throughout December, 3.54" (90mm) of precipitation is accumulated. In Martins Crossroads, during the entire year, the rain falls for 168.1 days and collects up to 33.43" (849mm) of precipitation.Snowfall
In Martins Crossroads, snow does not fall in March through December.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 7:06 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:21 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.7h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 3 in December suggests the following recommendations:
Be vigilant - Preventing sunburn is recommended. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Martins Crossroads, SC
- Average high temperature in December: 57.4°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (53.8°F).
- Average low temperature in December: 42.3°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in December
Martins Crossroads, SC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Martins Crossroads, SC
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Martins Crossroads, SC
- Average humidity in December: 78%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is January (73%).
Average rainfall in December
Martins Crossroads, SC
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is January (1.46").
Average rainfall days in December
Martins Crossroads, SC
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Martins Crossroads, SC
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Martins Crossroads, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.6 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
Martins Crossroads, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in December
Martins Crossroads, SC
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (6.1 days).
Average UV index in December
Martins Crossroads, SC
- 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, February and December (UV index 3).
Average cloud cover in December
Martins Crossroads, SC
- Average cloud cover in December: 41
The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Martins Crossroads, SC
- 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).
