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 beginning of December marks a clear shift in the average high-temperature, receding from November's wintry 41.5°F (5.3°C) to a freezing cold 25.7°F (-3.5°C). December brings with it a nighttime average temperature of 14.4°F (-9.8°C).Humidity
The average relative humidity in December is 83%.Rainfall
In December, the rain falls for 2.7 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. In Pollock, during the entire year, the rain falls for 89.4 days and collects up to 15.39" (391mm) of precipitation.Snowfall
Months with snowfall in Pollock are January through May, October through December. In December, it is snowing for 9.5 days. Throughout December, 3.39" (86mm) of snow is accumulated. Throughout the year, there are 49.4 snowfall days, and 19.09" (485mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 8:03 am and sunset at 4:57 pm. On the last day of December, sunrise is at 8:22 am and sunset at 5:06 pm CST.
Sunshine
In Pollock, the average sunshine in December is 4.5h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Pollock have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Pollock, SD
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in December: 14.4°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).
Average pressure in December
Pollock, SD
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Pollock, SD
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).
Average humidity in December
Pollock, SD
- Average humidity in December: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).
Average rainfall in December
Pollock, SD
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Pollock, SD
- Average rainfall days in December: 2.7 days
The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in December
Pollock, SD
- Average snowfall in December: 3.39"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pollock, SD
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Pollock, SD
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Pollock, SD
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).
Average UV index in December
Pollock, SD
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Pollock, SD
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).
Average visibility in December
Pollock, 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).
Pollock, South Dakota, USA
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