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 the transition to December, South Royalton observes a drop in the average high-temperature, moving from an icy 41.9°F (5.5°C) in November to a subzero cold 30.6°F (-0.8°C). Throughout December, the temperature in South Royalton, Vermont, falls to an average low of 20.8°F (-6.2°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In South Royalton, during December, the rain falls for 6.6 days and regularly aggregates up to 0.83" (21mm) of precipitation. In South Royalton, Vermont, during the entire year, the rain falls for 103.4 days and collects up to 10.08" (256mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, in South Royalton, Vermont, it is snowing for 7.6 days. Throughout December, 1.97" (50mm) of snow is accumulated. In South Royalton, during the entire year, snow falls for 42.7 days and aggregates up to 9.76" (248mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in South Royalton.On the first day of the month, sunrise is at 7:04 am and sunset at 4:13 pm. On the last day of December, in South Royalton, sunrise is at 7:24 am and sunset at 4:22 pm EST.
Sunshine
The average sunshine in December in South Royalton is 4h.UV index
The months with the lowest UV index in South Royalton are January, February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 1 in December leads to these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
How cold is it in South Royalton in December?
What is the average humidity in December in South Royalton?
How many days does it rain in December in South Royalton?
How many days does it snow in December in South Royalton?
What is the month with the shortest days in South Royalton?
What is the average length of the day in December in South Royalton?
When is the sunrise / sunset in December in South Royalton?
How many hours of sunshine does South Royalton have in December?
What are the months with the lowest UV index in South Royalton?
What is the UV index intensity in December in South Royalton?
Average temperature in December
South Royalton, VT
- Average high temperature in December: 30.6°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in December: 20.8°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in December
South Royalton, VT
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
South Royalton, VT
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
South Royalton, VT
- Average humidity in December: 83%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (75%).
Average rainfall in December
South Royalton, VT
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is March (0.55").
Average rainfall days in December
South Royalton, VT
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
South Royalton, VT
- Average snowfall in December: 1.97"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
South Royalton, VT
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is February (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Royalton, VT
- 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
South Royalton, VT
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is January (21.3 days).
The month with the least sunshine days is July (15.6 days).
Average UV index in December
South Royalton, VT
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
South Royalton, VT
- Average cloud cover in December: 59
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
South Royalton, VT
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
South Royalton, Vermont, USA
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