December weather forecastBridgewater, SD
December
Weather in December
December, the first month of the winter in Bridgewater, is still a freezing cold month, with an average temperature varying between 27.5°F (-2.5°C) and 15.4°F (-9.2°C).Temperature
Bridgewater sees a considerable decrease in average high-temperatures during December, falling from a chilly 43°F (6.1°C) in November to a freezing cold 27.5°F (-2.5°C). December is noted for a mean low-temperature of 15.4°F (-9.2°C).Humidity
The average relative humidity in December in Bridgewater is 85%.Rainfall
In Bridgewater, in December, it is raining for 3.5 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, in Bridgewater, there are 118.3 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 10.1 days and accumulates 4.21" (107mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:44 am and sunset at 4:54 pm. On the last day of December, sunrise is at 8:03 am and sunset at 5:03 pm CST.
Sunshine
In Bridgewater, the average sunshine in December is 4.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bridgewater, SD
- Average high temperature in December: 27.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in December: 15.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in December
Bridgewater, 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 (29.85"Hg).
Average wind speed in December
Bridgewater, SD
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in December
Bridgewater, SD
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Bridgewater, SD
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is February (0.63").
Average rainfall days in December
Bridgewater, SD
- Average rainfall days in December: 3.5 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in December
Bridgewater, SD
- Average snowfall in December: 4.21"
The month with the highest snowfall is December (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Bridgewater, SD
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Bridgewater, SD
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 18min
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 0min).
Average sunshine days in December
Bridgewater, SD
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in December
Bridgewater, SD
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Bridgewater, SD
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Bridgewater, 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).
