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
December ushers in a minute temperature change, with average high-temperatures reducing from November's comfortable 63.5°F (17.5°C) to a moderate 57.4°F (14.1°C). December in Gresham is noted for a mean low-temperature of 42.3°F (5.7°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Gresham, in December, it is raining for 9.6 days, with typically 2.56" (65mm) of accumulated precipitation. In Gresham, during the entire year, the rain falls for 147.1 days and collects up to 21.77" (553mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:19 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.6h of sunshine.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily UV index of 3 turns into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December in Gresham?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Gresham have in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine in Gresham?
How many hours of sunshine does Gresham have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Gresham, SC
- Average high temperature in December: 57.4°F
The warmest month (with the highest average high temperature) is July (89.8°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 (73°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in December
Gresham, 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
Gresham, SC
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Gresham, 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 (74%).
Average rainfall in December
Gresham, SC
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in December
Gresham, SC
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in December
Gresham, SC
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Gresham, SC
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Gresham, SC
- Average daylight in December: 9h and 5min
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: 5h and 4min
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 36min).
Average sunshine days in December
Gresham, SC
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in December
Gresham, SC
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Gresham, SC
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Gresham, 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).
Gresham, South Carolina, USA
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