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
Watertown's transition into December is marked by a clear temperature shift, receding from an icy 40.1°F (4.5°C) in November to a freezing cold 25.3°F (-3.7°C). Throughout December, Watertown experiences a low-temperature average of 15.1°F (-9.4°C).Humidity
In Watertown, the average relative humidity in December is 87%.Rainfall
In Watertown, Minnesota, in December, during 4 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Watertown, during the entire year, the rain falls for 123.5 days and collects up to 22.76" (578mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Watertown, Minnesota. In Watertown, Minnesota, in December, during 11.3 snowfall days, 4.45" (113mm) of snow is typically accumulated. Throughout the year, in Watertown, Minnesota, there are 53.2 snowfall days, and 20.83" (529mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:34 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:53 am and sunset at 4:44 pm CST.
Sunshine
In Watertown, the average sunshine in December is 3.6h.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is it in Watertown in December?
What is the average humidity in December in Watertown?
How much does it rain in Watertown in December?
How much does it snow in Watertown in December?
What is the month with the shortest days in Watertown?
What is the average length of the day in December in Watertown?
When is the sunrise / sunset in December in Watertown?
How many hours of sunshine does Watertown have in December?
What are the months with the lowest UV index in Watertown?
How high is the UV index in December in Watertown?
Average temperature in December
Watertown, MN
- Average high temperature in December: 25.3°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (20.1°F).
- Average low temperature in December: 15.1°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in December
Watertown, MN
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Watertown, MN
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in December
Watertown, MN
- Average humidity in December: 87%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (71%).
Average rainfall in December
Watertown, MN
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Watertown, MN
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in December
Watertown, MN
- Average snowfall in December: 4.45"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Watertown, MN
- Average snowfall days in December: 11.3 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Watertown, MN
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Watertown, MN
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in December
Watertown, MN
- 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, February, November and December (UV index 1).
Average cloud cover in December
Watertown, MN
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Watertown, MN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Watertown, Minnesota, USA
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