December weather forecast
Keene Valley, NY

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Weather in December

December, the first month of the winter in Keene Valley, is also a subzero cold month, with an average temperature varying between 18.9°F (-7.3°C) and 29.5°F (-1.4°C).

Temperature

Welcoming December, Keene Valley observes a shift in the average high-temperature, falling from November's wintry 40.3°F (4.6°C) to a subzero cold 29.5°F (-1.4°C). An average low-temperature of 18.9°F (-7.3°C) is recorded during the nights in December in Keene Valley.

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Keene Valley, in December, during 11.2 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In Keene Valley, during the entire year, the rain falls for 176.8 days and collects up to 32.13" (816mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Keene Valley. In December, in Keene Valley, it is snowing for 18.5 days. Throughout December, 9.13" (232mm) of snow is accumulated. In Keene Valley, during the entire year, snow falls for 102 days and aggregates up to 57.91" (1471mm) of snow.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:17 pm. On the last day of December, in Keene Valley, sunrise is at 7:30 am and sunset at 4:26 pm EST.

Sunshine

In December, the average sunshine in Keene Valley is 3.5h.

UV index

December is the month with the lowest UV index in Keene Valley, New York, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 1 in December translates into these instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. To guard against the harmful effects of the Sun, minimize exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is it in Keene Valley in December?

The high-temperature in Keene Valley, New York, during December is 29.5°F (-1.4°C) and the low-temperature is 18.9°F (-7.3°C).

What is the average humidity in December in Keene Valley?

The average relative humidity in December in Keene Valley is 85%.

How much does it rain in Keene Valley in December?

In Keene Valley, in December, it is raining for 11.2 days, with typically 2.56" (65mm) of accumulated precipitation.

How much does it snow in Keene Valley in December?

In Keene Valley, New York, in December, during 18.5 snowfall days, 9.13" (232mm) of snow is typically accumulated.

What is the month with the shortest days in Keene Valley?

The month with the shortest days in Keene Valley, New York, is December, with an average of 8h and 54min of daylight.

How many hours of daylight does Keene Valley have in December?

The average day length in December in Keene Valley is 8h and 56min.

What time are sunrise and sunset in December in Keene Valley?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 4:17 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:26 pm EST.

How long on average sun shines in December in Keene Valley?

The average sunshine duration in December in Keene Valley, New York, is 3.5h.

When is the lowest UV index in Keene Valley?

With an average maximum UV index of 1, December is the month with the lowest UV index.

What is the UV index intensity in December in Keene Valley?

In December, the average daily maximum UV index in Keene Valley is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Keene Valley, NY

Average temperature in December - Keene Valley, NY
  • Average high temperature in December: 29.5°F

The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (23.7°F).

  • Average low temperature in December: 18.9°F

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

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Average pressure in December
Keene Valley, NY

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

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Keene Valley, NY

Average wind speed in December - Keene Valley, NY
  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Keene Valley, NY

Average humidity in December - Keene Valley, NY
  • Average humidity in December: 85%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (76%).

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Average rainfall in December
Keene Valley, NY

Average rainfall in December - Keene Valley, NY
  • Average rainfall in December: 2.56"

The wettest months (with the highest rainfall) are June and October (3.39").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in December
Keene Valley, NY

Average rainfall days in December - Keene Valley, NY
  • Average rainfall days in December: 11.2 days

The months with the highest number of rainy days are May and June (18.3 days).
The month with the least rainy days is February (9.3 days).

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Average snowfall in December
Keene Valley, NY

Average snowfall in December - Keene Valley, NY
  • Average snowfall in December: 9.13"

The month with the highest snowfall is February (13.27").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Keene Valley, NY

Average snowfall days in December - Keene Valley, NY
  • Average snowfall days in December: 18.5 days

The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Keene Valley, NY

Average daylight in December / Average sunshine in December - Keene Valley, NY
  • 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: 3h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).

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Average sunshine days in December
Keene Valley, NY

Average sunshine days in December - Keene Valley, NY
  • Average sunshine days in December: 8.1 days

The month with the most sunshine days is September (13.6 days).
The month with the least sunshine days is February (4.8 days).

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Average UV index in December
Keene Valley, NY

Average UV index in December - Keene Valley, NY
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Keene Valley, NY

Average cloud cover in December - Keene Valley, NY
  • Average cloud cover in December: 65

The month with the most cloud cover is February (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 36).

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Average visibility in December
Keene Valley, NY

Average visibility in December - Keene Valley, NY
  • 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).

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Keene Valley, New York, USA

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