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 Waterville, entering December brings a temperature decrement, reducing from November's wintry 39.9°F (4.4°C) to a subzero cold 28.6°F (-1.9°C). Throughout the nights in December, Waterville experiences an average low-temperature of 18.5°F (-7.5°C).Humidity
In December, the average relative humidity is 87%.Rainfall
In Waterville, in December, it is raining for 10.1 days, with typically 2.72" (69mm) of accumulated precipitation. Throughout the year, there are 167.6 rainfall days, and 33.31" (846mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Waterville, during December, snow falls for 19.5 days and regularly aggregates up to 10.04" (255mm) of snow. Throughout the year, there are 102.9 snowfall days, and 62.68" (1592mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:12 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:20 pm EST.
Sunshine
The average sunshine in December is 2.9h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Waterville. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Always opt for UVA and UVB-resistant sunglasses on radiant days. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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 many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Waterville have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Waterville have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Waterville, VT
- Average high temperature in December: 28.6°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (9.9°F).
Average pressure in December
Waterville, VT
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Waterville, VT
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Waterville, VT
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Waterville, VT
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Waterville, VT
- Average rainfall days in December: 10.1 days
The months with the highest number of rainy days are June and July (18.6 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in December
Waterville, VT
- Average snowfall in December: 10.04"
The month with the highest snowfall is January (14.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Waterville, VT
- Average snowfall days in December: 19.5 days
The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Waterville, 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: 2h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Waterville, VT
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (5.3 days).
Average UV index in December
Waterville, 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, February and December (UV index 1).
Average cloud cover in December
Waterville, VT
- Average cloud cover in December: 72
The months with the most cloud cover are January and February (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Waterville, 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).
Waterville, Vermont, USA
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