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 shift into December is marked by a considerable temperature decrease, with the average high-temperature dropping from a cold 37.8°F (3.2°C) in November to a subzero cold 23°F (-5°C). Nighttime temperature experiences an average drop to an extreme cold 12.6°F (-10.8°C) in December.Humidity
In December, the average relative humidity is 88%.Rainfall
In Royalton, in December, during 3.2 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Royalton, Minnesota, during the entire year, the rain falls for 109.2 days and collects up to 17.64" (448mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. December is the month with the most snowfall in Royalton. Snow falls for 14.7 days and accumulates 4.76" (121mm) of snow.Daylight
The month with the shortest days in Royalton is December, with an average of 8h and 42min of daylight.On the first day of December in Royalton, sunrise is at 7:38 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 4:42 pm CST.
Sunshine
The average sunshine in December is 3.2h.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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Enhance your sun protection with tightly woven, yet airy clothing. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is December in Royalton?
What is the average humidity in December in Royalton?
How many days does it rain in December in Royalton?
What is the snowiest month in Royalton?
How much does it snow in Royalton in December?
What is the month with the shortest days in Royalton?
What is the average length of the day in December in Royalton?
When are sunrise and sunset in December in Royalton?
How long on average sun shines in December in Royalton?
What is the month with the lowest UV index in Royalton?
How high is the UV index in December in Royalton?
Average temperature in December
Royalton, MN
- Average high temperature in December: 23°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.1°F).
- Average low temperature in December: 12.6°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in December
Royalton, MN
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Royalton, MN
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in December
Royalton, MN
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Royalton, MN
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Royalton, MN
- Average rainfall days in December: 3.2 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in December
Royalton, MN
- Average snowfall in December: 4.76"
The month with the highest snowfall is December (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Royalton, MN
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Royalton, MN
- 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: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Royalton, MN
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in December
Royalton, MN
- Average UV index in December: 1
The month with the highest UV index is 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
Royalton, MN
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Royalton, MN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Royalton, Minnesota, USA
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