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 brings a significant decrease in the average high-temperature, moving down from a chilly 44.2°F (6.8°C) in November to a subzero cold 28.2°F (-2.1°C). During December, Worthing sees a mean low-temperature of 16.3°F (-8.7°C).Humidity
The average relative humidity in December is 84%.Rainfall
In December, in Worthing, the rain falls for 3.7 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In Worthing, during the entire year, the rain falls for 111.7 days and collects up to 17.76" (451mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Worthing, in December, snow falls for 8.7 days, with typically accumulated 2.52" (64mm) of snow. In Worthing, during the entire year, snow falls for 38.7 days and aggregates up to 12.76" (324mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:40 am and sunset at 4:52 pm. On the last day of December, sunrise is at 7:59 am and sunset at 5:01 pm CST.
Sunshine
In December, the average sunshine is 4.4h.UV index
In Worthing, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December in Worthing?
What is the month with the shortest days?
How many hours of daylight does Worthing have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December in Worthing?
How high is the UV index in December?
Average temperature in December
Worthing, SD
- Average high temperature in December: 28.2°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in December: 16.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Worthing, SD
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Worthing, SD
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in December
Worthing, SD
- Average humidity in December: 84%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).
Average rainfall in December
Worthing, SD
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and November (0.47").
Average rainfall days in December
Worthing, SD
- Average rainfall days in December: 3.7 days
The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in December
Worthing, SD
- Average snowfall in December: 2.52"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Worthing, SD
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Worthing, SD
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Worthing, SD
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in December
Worthing, SD
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Worthing, SD
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Worthing, SD
- 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).
Worthing, South Dakota, USA
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