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 shift from November to December includes a small decrease in the average high-temperature, from a refreshing 59.9°F (15.5°C) to a fresh 52.5°F (11.4°C). Gaffney records a steady low-temperature average of 38.3°F (3.5°C) during December.Humidity
December is the most humid month, with an average relative humidity of 76%.Rainfall
The month with the most rainfall in Gaffney is December, when the rain falls for 6 days and typically aggregates up to 0.83" (21mm) of precipitation.Snowfall
Months with snowfall are January, February and December. The month with the most snowfall is December, when snow falls for 0.4 days and typically aggregates up to 0.43" (11mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Gaffney, South Carolina.On the first day of the month, sunrise is at 7:16 am and sunset at 5:14 pm. On the last day of December, sunrise is at 7:34 am and sunset at 5:25 pm EST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year in Gaffney.UV index
The months with the lowest UV index in Gaffney are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What is the average December temperature in Gaffney?
What is the most humid month in Gaffney?
What is the average humidity in December in Gaffney?
What is the wettest month in Gaffney?
How many days does it rain in December in Gaffney?
What is the snowiest month in Gaffney?
When does it start to snow in Gaffney?
What is the month with the shortest days in Gaffney?
What is the average length of the day in December in Gaffney?
What time are sunrise and sunset in December in Gaffney?
What is the month with the least sunshine in Gaffney?
How many hours of sunshine does Gaffney have in December?
When is the lowest UV index in Gaffney?
How high is the UV index in December in Gaffney?
Average temperature in December
Gaffney, SC
- Average high temperature in December: 52.5°F
The warmest month (with the highest average high temperature) is July (91.4°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 (68.7°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).
Average pressure in December
Gaffney, 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
Gaffney, SC
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Gaffney, 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 (69%).
Average rainfall in December
Gaffney, SC
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is December (0.83").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in December
Gaffney, SC
- Average rainfall days in December: 6 days
The months with the highest number of rainy days are April and July (7.8 days).
The months with the least rainy days are September and November (4.5 days).
Average snowfall in December
Gaffney, SC
- Average snowfall in December: 0.43"
The month with the highest snowfall is December (0.43").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Gaffney, SC
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1 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
Gaffney, 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 48min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Gaffney, SC
- Average sunshine days in December: 23.1 days
The month with the most sunshine days is October (24.9 days).
The months with the least sunshine days are June and July (20.8 days).
Average UV index in December
Gaffney, 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
Gaffney, SC
- Average cloud cover in December: 42
The months with the most cloud cover are February and December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in December
Gaffney, 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).
Gaffney, South Carolina, USA
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