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 arrival of December is marked by a minor reduction in average high-temperature, sliding from 61.7°F (16.5°C) in November to a still refreshing 55.6°F (13.1°C). Cassatt records an average nighttime low of 41.7°F (5.4°C) in December.Humidity
In December, the average relative humidity in Cassatt is 74%.Rainfall
In December, in Cassatt, the rain falls for 8 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. Throughout the year, in Cassatt, there are 116.1 rainfall days, and 11.42" (290mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
The month with the shortest days in Cassatt, South Carolina, is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 5:11 pm. On the last day of December, sunrise is at 7:27 am and sunset at 5:22 pm EST.
Sunshine
January and December, with an average of 5.6h of sunshine, are months with the least sunshine.UV index
The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 in December translates into these instructions:
Guard yourself - Avoiding sunburn is suggested. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What is the usual temperature for Cassatt in December?
What is the average humidity in December in Cassatt?
How many days does it rain in December in Cassatt?
When it does not snow in Cassatt?
Does it snow in Cassatt in December?
What is the month with the shortest days in Cassatt?
What is the average length of the day in December in Cassatt?
When are sunrise and sunset in December in Cassatt?
What are the months with the least sunshine in Cassatt?
How many hours of sunshine does Cassatt have in December?
What is the UV index intensity in December in Cassatt?
Average temperature in December
Cassatt, SC
- Average high temperature in December: 55.6°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 (52.2°F).
- Average low temperature in December: 41.7°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in December
Cassatt, SC
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Cassatt, SC
- Average wind speed in December: 7.2mph
The windiest months (with the highest average wind speed) are February and April (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Cassatt, SC
- Average humidity in December: 74%
The month with the highest relative humidity is May (75%).
The months with the lowest relative humidity are January, March and November (70%).
Average rainfall in December
Cassatt, SC
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is August (1.42").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in December
Cassatt, SC
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is November (5.8 days).
Average snowfall in December
Cassatt, SC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Cassatt, SC
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Cassatt, 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
Cassatt, SC
- Average sunshine days in December: 21.2 days
The month with the most sunshine days is October (23.9 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Cassatt, SC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Cassatt, SC
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility in December
Cassatt, 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).
Cassatt, South Carolina, USA
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