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
In Vale, the lowest average temperatures are observed in December, with a high of 32.2°F (0.1°C) and a low of 18.9°F (-7.3°C).Humidity
The average relative humidity in December in Vale, South Dakota, is 75%.Rainfall
In December, the rain falls for 5.8 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. Throughout the year, in Vale, there are 126.3 rainfall days, and 16.77" (426mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Vale, in December, snow falls for 9.9 days, with typically accumulated 4.06" (103mm) of snow. In Vale, during the entire year, snow falls for 62.1 days and aggregates up to 36.26" (921mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:11 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:23 pm MST.
Sunshine
The average sunshine in December in Vale is 6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Vale, South Dakota. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Vale?
How cold is December in Vale?
What is the average humidity in December in Vale?
How much does it rain in Vale in December?
How many days does it snow in December in Vale?
What is the month with the shortest days in Vale?
What is the average length of the day in December in Vale?
When are sunrise and sunset in December in Vale?
How many hours of sunshine does Vale have in December?
What are the months with the lowest UV index in Vale?
What is the UV index reading in December in Vale?
Average temperature in December
Vale, SD
- Average high temperature in December: 32.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.2°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).
Average pressure in December
Vale, SD
- 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 (29.84"Hg).
Average wind speed in December
Vale, SD
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).
Average humidity in December
Vale, SD
- Average humidity in December: 75%
The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (49%).
Average rainfall in December
Vale, SD
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Vale, SD
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (5.8 days).
Average snowfall in December
Vale, SD
- Average snowfall in December: 4.06"
The month with the highest snowfall is April (8.23").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Vale, SD
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Vale, SD
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).
Average sunshine days in December
Vale, SD
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in December
Vale, SD
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Vale, SD
- Average cloud cover in December: 36
The months with the most cloud cover are February and April (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Vale, SD
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Vale, South Dakota, USA
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