December weather forecast
Tunnel, NY

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Weather in December

The first month of the winter, December, is also a wintry month in Tunnel, New York, with an average temperature ranging between min 23.5°F (-4.7°C) and max 33.3°F (0.7°C).

Temperature

The arrival of December corresponds with a temperature reduction, down from November's chilly 43.3°F (6.3°C) to a cold 33.3°F (0.7°C). The average temperature drops to a freezing cold 23.5°F (-4.7°C) during the night in the month of December.

Humidity

In December, the average relative humidity is 87%.

Rainfall

In December, the rain falls for 11.8 days. Throughout December, 2.68" (68mm) of precipitation is accumulated. Throughout the year, there are 175.2 rainfall days, and 33.15" (842mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Tunnel are January through May, October through December. In Tunnel, New York, in December, snow falls for 16.1 days, with typically accumulated 7.64" (194mm) of snow. In Tunnel, during the entire year, snow falls for 84.3 days and aggregates up to 40.28" (1023mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:12 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:40 pm EST.

Sunshine

In Tunnel, the average sunshine in December is 2.8h.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In December, the average high-temperature and low-temperature are 33.3°F (0.7°C) and 23.5°F (-4.7°C) respectively.

What is the average humidity in December in Tunnel?

In December, the average relative humidity is 87%.

How many days does it rain in December?

In December, the rain falls for 11.8 days. Throughout December, 2.68" (68mm) of precipitation is accumulated.

How much does it snow in December?

In Tunnel, during December, snow falls for 16.1 days and regularly aggregates up to 7.64" (194mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

How many hours of daylight does Tunnel have in December?

In Tunnel, the average day length in December is 9h and 10min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:12 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:40 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 2.8h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Tunnel, NY

Average temperature in December - Tunnel, NY
  • Average high temperature in December: 33.3°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in December: 23.5°F

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

Average pressure in December
Tunnel, NY

Average pressure in December - Tunnel, 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
Tunnel, NY

Average wind speed in December - Tunnel, NY
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in December
Tunnel, NY

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

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, June and July (80%).

Average rainfall in December
Tunnel, NY

Average rainfall in December - Tunnel, NY
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is August (3.27").
The driest months (with the least rainfall) are January and September (2.36").

Average rainfall days in December
Tunnel, NY

Average rainfall days in December - Tunnel, NY
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in December
Tunnel, NY

Average snowfall in December - Tunnel, NY
  • Average snowfall in December: 7.64"

The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Tunnel, NY

Average snowfall days in December - Tunnel, NY
  • Average snowfall days in December: 16.1 days

The month with the highest number of snowfall days is January (19.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Tunnel, 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 12min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).

Average sunshine days in December
Tunnel, NY

Average sunshine days in December - Tunnel, NY
  • Average sunshine days in December: 7.4 days

The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is February (4.8 days).

Average UV index in December
Tunnel, NY

Average UV index in December - Tunnel, 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 and December (UV index 1).

Average cloud cover in December
Tunnel, NY

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

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 39).

Average visibility in December
Tunnel, NY

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

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

Tunnel, New York, USA

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