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
The beginning of December brings a minor change in the average high-temperature, shifting from a mild 59.9°F (15.5°C) in November to a cool 52.5°F (11.4°C). Throughout the month of December, Greer witnesses an average temperature of 38.3°F (3.5°C).Humidity
The most humid month in Greer is December, with an average relative humidity of 76%.Rainfall
December is the month with the most rainfall in Greer. Rain falls for 11.2 days and accumulates 3.54" (90mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Greer. The month with the most snowfall in Greer is December, when snow falls for 0.5 days and typically aggregates up to 2.8" (71mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Greer.On the first day of the month, sunrise is at 7:18 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:36 am and sunset at 5:27 pm EST.
Sunshine
December has the least sunshine of the year in Greer, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Greer in December?
What is the most humid month in Greer?
What is the average humidity in December in Greer?
What is the wettest month in Greer?
How many days does it rain in December in Greer?
When does it snow the most in Greer?
How much does it snow in Greer in December?
What is the month with the shortest days in Greer?
How many hours of daylight does Greer have in December?
What time are sunrise and sunset in December in Greer?
What is the month with the least sunshine in Greer?
How many hours of sunshine does Greer have in December?
When is the lowest UV index in Greer?
What is the UV index reading in December in Greer?
Average temperature in December
Greer, SC
- Average high temperature in December: 52.5°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (49.5°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in December
Greer, SC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Greer, SC
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Greer, SC
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (68%).
Average rainfall in December
Greer, SC
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Greer, SC
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in December
Greer, SC
- Average snowfall in December: 2.8"
The month with the highest snowfall is December (2.8").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Greer, SC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.3 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
Greer, SC
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Greer, SC
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in December
Greer, SC
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Greer, SC
- Average cloud cover in December: 41
The months with the most cloud cover are February, March and December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Greer, SC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Greer, South Carolina, USA
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