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
With December's onset, the weather reveals a slight temperature decrease, transitioning from a comfortable 64.6°F (18.1°C) in November to a mild 58.6°F (14.8°C). The low-temperature average for Allendale during December stands at a frosty 44.1°F (6.7°C).Humidity
August and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In December, in Allendale, the rain falls for 9.6 days. Throughout December, 3.43" (87mm) of precipitation is accumulated. In Allendale, during the entire year, the rain falls for 152.9 days and collects up to 31.18" (792mm) of precipitation.Snowfall
March through December are months without snowfall in Allendale.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:29 pm EST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 3 in December suggests the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. To guard against the harmful effects of the Sun, minimize exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December in Allendale?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Allendale have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Allendale have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Allendale, SC
- Average high temperature in December: 58.6°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.4°F).
- Average low temperature in December: 44.1°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in December
Allendale, 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
Allendale, SC
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Allendale, SC
- Average humidity in December: 76%
The months with the highest relative humidity are August and December (76%).
The month with the lowest relative humidity is January (70%).
Average rainfall in December
Allendale, SC
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is November (1.38").
Average rainfall days in December
Allendale, SC
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in December
Allendale, SC
- Average snowfall in December: 0"
The month with the highest snowfall is 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
Allendale, 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 March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Allendale, SC
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Allendale, SC
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is August (7.3 days).
Average UV index in December
Allendale, 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 and December (UV index 3).
Average cloud cover in December
Allendale, SC
- Average cloud cover in December: 43
The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Allendale, 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).
Allendale, South Carolina, USA
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