December weather forecast and climate
Waterville, NY

December, the first month of the winter, in Waterville, is still a cold month, with average temperature varying between 23.9°F (-4.5°C) and 33.1°F (0.6°C).

Temperature

In December, the average high-temperature decreases, from a chilly 43.7°F (6.5°C) in November, to a wintry 33.1°F (0.6°C). The average low-temperature, in December, is 23.9°F (-4.5°C).

Humidity

In December, the average relative humidity in Waterville, New York, is 86%.

Rainfall

In Waterville, in December, during 9 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, in Waterville, there are 148.9 rainfall days, and 28.23" (717mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Waterville, during December, snow falls for 16 days and regularly aggregates up to 6.73" (171mm) of snow. Throughout the year, there are 83 snowfall days, and 33.98" (863mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9.1h of daylight.

Sunshine

In December, the average sunshine in Waterville is 2.9h.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 1 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Waterville?

In Waterville, New York, in December, the average high-temperature is 33.1°F (0.6°C), and the average low-temperature is 23.9°F (-4.5°C).

What is the average humidity in December in Waterville?

The average relative humidity in December in Waterville, New York, is 86%.

How much does it rain in Waterville in December?

In Waterville, New York, during December, the rain falls for 9 days and regularly aggregates up to 2.17" (55mm) of precipitation.

How much does it snow in Waterville in December?

In December, in Waterville, it is snowing for 16 days. Throughout December, 6.73" (171mm) of snow is accumulated.

What is the month with the shortest days in Waterville?

December has the shortest days of the year in Waterville, with an average of 9.1h of daylight.

What is the average length of the day in December in Waterville?

In December, the average length of the day in Waterville is 9.1h.

How many hours of sunshine does Waterville have in December?

The average sunshine in December is 2.9h.

When is the lowest UV index in Waterville?

Months with the lowest UV index in Waterville are January, February and December, with an average maximum UV index of 1.

What is the UV index reading in December in Waterville?

In Waterville, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in December - Waterville, NY
  • Average high temperature in December: 33.1°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

Average pressure in December - Waterville, NY
  • Average pressure in December: 30.06"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.92").

Average wind speed in December - Waterville, NY
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

Average humidity in December - Waterville, NY
  • Average humidity in December: 86%

The month with the highest relative humidity is February (88%).
Months with the lowest relative humidity are April and May (78%).

Average rainfall in December - Waterville, NY
  • Average rainfall in December: 2.17"

The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is January (1.77").

Average rainfall days in December - Waterville, NY
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (6.1 days).

Average snowfall in December - Waterville, NY
  • Average snowfall in December: 6.73"

The month with the highest snowfall is February (7.32").
Months with the least snowfall are June, July, August and September (0").

Average snowfall days in December - Waterville, NY
  • Average snowfall days in December: 16 days

The month with the highest number of snowfall days is February (17.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Waterville, NY
  • Average daylight in December: 9.1h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in December: 2.9h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 2.5h).

Average sunshine days in December - Waterville, NY
  • Average sunshine days in December: 9 days

The month with the most sunshine days is September (15.2 days).
The month with the least sunshine days is February (6.4 days).

Average UV index in December - Waterville, NY
  • Average UV index in December: 1

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in December - Waterville, NY
  • Average cloud cover in December: 71

The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in December - Waterville, NY
  • Average visibility in December: 5mi

Months with the highest visibility are April and October (6mi).
Months with the lowest visibility are January, February, March, May, June, July, August, September, November and December (5mi).