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
Waterbury in December undergoes a mild reduction in the average high-temperature, shifting from November's cold 40.5°F (4.7°C) to a freezing cold 28.8°F (-1.8°C). Nightly temperatures drop to an average low of 18.9°F (-7.3°C) in December.Humidity
In Waterbury, the average relative humidity in December is 86%.Rainfall
In Waterbury, during December, the rain falls for 11.5 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 174.1 rainfall days, and 30.67" (779mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 19.6 days. Throughout December, 8.23" (209mm) of snow is accumulated. In Waterbury, during the entire year, snow falls for 100 days and aggregates up to 52.87" (1343mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:13 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:21 pm EST.
Sunshine
In Waterbury, the average sunshine in December is 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 low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 1 in December translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in Waterbury in December?
What is the month with the shortest days?
How many hours of daylight does Waterbury have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Waterbury, VT
- Average high temperature in December: 28.8°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Waterbury, 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
Waterbury, VT
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Waterbury, VT
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Waterbury, VT
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is June (3.31").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Waterbury, VT
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is June (19.1 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Waterbury, VT
- Average snowfall in December: 8.23"
The month with the highest snowfall is February (11.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Waterbury, VT
- Average snowfall days in December: 19.6 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Waterbury, VT
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in December
Waterbury, VT
- Average sunshine days in December: 6.4 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (4.8 days).
Average UV index in December
Waterbury, VT
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Waterbury, VT
- Average cloud cover in December: 71
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Waterbury, VT
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
Waterbury, Vermont, USA
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