December weather forecast
Thendara, NY

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Weather in December

December, the first month of the winter in Thendara, is still a freezing cold month, with an average temperature fluctuating between 29.1°F (-1.6°C) and 19.4°F (-7°C).

Temperature

Thendara's progression into December includes a drop in the average high-temperature, from a cold 39.2°F (4°C) in November to a subzero cold 29.1°F (-1.6°C). Thendara's average low-temperature during December nights is observed to be 19.4°F (-7°C).

Humidity

In Thendara, the average relative humidity in December is 88%.

Rainfall

In Thendara, New York, in December, during 7.9 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. In Thendara, during the entire year, the rain falls for 163 days and collects up to 40.63" (1032mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Thendara, during December, snow falls for 19.5 days and regularly aggregates up to 13.86" (352mm) of snow. Throughout the year, there are 114.2 snowfall days, and 82.4" (2093mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 7:14 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:33 pm EST.

Sunshine

In December, the average sunshine is 2.5h.

UV index

The months with the lowest UV index 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 vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a daily UV index of 1 turns into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The average high-temperature, in December, in Thendara, is 29.1°F (-1.6°C), while the average low-temperature is 19.4°F (-7°C).

What is the average humidity in December?

In December, the average relative humidity is 88%.

How many days does it rain in December?

In December, the rain falls for 7.9 days. Throughout December, 3.5" (89mm) of precipitation is accumulated.

How much does it snow in December?

In December, it is snowing for 19.5 days. Throughout December, 13.86" (352mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

How many hours of daylight does Thendara have in December?

In Thendara, New York, the average day length in December is 8h and 59min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:33 pm EST.

How many hours of sunshine does Thendara have in December?

The average sunshine duration in December is 2.5h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to 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
Thendara, NY

Average temperature in December - Thendara, NY
  • Average high temperature in December: 29.1°F

The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (22.6°F).

  • Average low temperature in December: 19.4°F

The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in December
Thendara, NY

Average pressure in December - Thendara, NY
  • Average pressure in December: 30.05"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Thendara, NY

Average wind speed in December - Thendara, NY
  • Average wind speed in December: 8.9mph

The windiest months (with the highest average wind speed) are January, February and April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in December
Thendara, NY

Average humidity in December - Thendara, NY
  • Average humidity in December: 88%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (78%).

Average rainfall in December
Thendara, NY

Average rainfall in December - Thendara, NY
  • Average rainfall in December: 3.5"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.48").

Average rainfall days in December
Thendara, NY

Average rainfall days in December - Thendara, NY
  • Average rainfall days in December: 7.9 days

The month with the highest number of rainy days is July (20.1 days).
The months with the least rainy days are January and February (4.8 days).

Average snowfall in December
Thendara, NY

Average snowfall in December - Thendara, NY
  • Average snowfall in December: 13.86"

The month with the highest snowfall is February (15.2").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Thendara, NY

Average snowfall days in December - Thendara, NY
  • Average snowfall days in December: 19.5 days

The month with the highest number of snowfall days is February (21.9 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in December /
Average sunshine in December
Thendara, NY

Average daylight in December / Average sunshine in December - Thendara, NY
  • 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: 2h and 3min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).

Average sunshine days in December
Thendara, NY

Average sunshine days in December - Thendara, NY
  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is September (13.3 days).
The month with the least sunshine days is February (4.7 days).

Average UV index in December
Thendara, NY

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

The months with the highest UV index are 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
Thendara, NY

Average cloud cover in December - Thendara, NY
  • Average cloud cover in December: 76

The month with the most cloud cover is February (Cloud cover 81).
The months with the least cloud cover are July and August (Cloud cover 42).

Average visibility in December
Thendara, NY

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

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

Thendara, New York, USA

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