December weather forecast
Unadilla, NY

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Weather in December

December, the first month of the winter in Unadilla, is also an icy month, with an average temperature varying between 23.2°F (-4.9°C) and 32.9°F (0.5°C).

Temperature

Unadilla's December weather comes with a decrease in average high-temperatures, moving from a frosty 43.2°F (6.2°C) in November to an icy 32.9°F (0.5°C). During the month of December, the nighttime temperature falls to an average of 23.2°F (-4.9°C).

Humidity

February and December, with an average relative humidity of 87%, are the most humid months in Unadilla.

Rainfall

In December, the rain falls for 9.5 days. Throughout December, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 156.8 rainfall days, and 24.88" (632mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Unadilla are January through May, October through December. In Unadilla, in December, snow falls for 14.7 days, with typically accumulated 5" (127mm) of snow. Throughout the year, in Unadilla, there are 78.3 snowfall days, and 27.87" (708mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:29 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:38 pm EST.

Sunshine

The average sunshine in December is 2.7h.

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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature, in December, in Unadilla, is 32.9°F (0.5°C), while the low-temperature averages to 23.2°F (-4.9°C).

What are the most humid months?

The months with the highest humidity are February and December, with an average relative humidity of 87%.

What is the average humidity in December?

In Unadilla, the average relative humidity in December is 87%.

How many days does it rain in December?

In December, the rain falls for 9.5 days. Throughout December, 1.77" (45mm) of precipitation is accumulated.

How many days does it snow in December?

In Unadilla, during December, snow falls for 14.7 days and regularly aggregates up to 5" (127mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year in Unadilla, New York, with an average of 9h and 6min of daylight.

How many hours of daylight does Unadilla have in December?

In December, the average day length is 9h and 8min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:11 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:38 pm EST.

How long on average sun shines in December in Unadilla?

The average sunshine duration in December is 2.7h.

What is the month with the lowest UV index in Unadilla?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1.

What is the UV index reading in December?

In Unadilla, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Unadilla, NY

Average temperature in December - Unadilla, NY
  • Average high temperature in December: 32.9°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 23.2°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in December
Unadilla, NY

Average pressure in December - Unadilla, NY
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Unadilla, NY

Average wind speed in December - Unadilla, NY
  • Average wind speed in December: 9mph

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Unadilla, NY

Average humidity in December - Unadilla, NY
  • Average humidity in December: 87%

The months with the highest relative humidity are February and December (87%).
The month with the lowest relative humidity is July (79%).

Average rainfall in December
Unadilla, NY

Average rainfall in December - Unadilla, NY
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is August (2.68").
The driest months (with the least rainfall) are January and February (1.61").

Average rainfall days in December
Unadilla, NY

Average rainfall days in December - Unadilla, NY
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (6.6 days).

Average snowfall in December
Unadilla, NY

Average snowfall in December - Unadilla, NY
  • Average snowfall in December: 5"

The month with the highest snowfall is January (5.63").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Unadilla, NY

Average snowfall days in December - Unadilla, NY
  • 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
Unadilla, NY

Average daylight in December / Average sunshine in December - Unadilla, NY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 2h and 4min

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
Unadilla, NY

Average sunshine days in December - Unadilla, NY
  • Average sunshine days in December: 9.7 days

The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (7.8 days).

Average UV index in December
Unadilla, NY

Average UV index in December - Unadilla, NY
  • 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, November and December (UV index 1).

Average cloud cover in December
Unadilla, NY

Average cloud cover in December - Unadilla, NY
  • Average cloud cover in December: 72

The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in December
Unadilla, NY

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

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

Unadilla, New York, USA

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