Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Preston Hollow observes a minor decrease in the average high-temperature with the arrival of December, falling from November's chilly 43.7°F (6.5°C) to a wintry 33.1°F (0.6°C). An average low-temperature of 22.8°F (-5.1°C) is expected in Preston Hollow during December.Humidity
The months with the highest humidity in Preston Hollow, New York, are February and December, with an average relative humidity of 85%.Rainfall
In December, in Preston Hollow, the rain falls for 8.2 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. In Preston Hollow, during the entire year, the rain falls for 152.5 days and collects up to 27.24" (692mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Preston Hollow. The month with the most snowfall is December, when snow falls for 10.8 days and typically aggregates up to 6.65" (169mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:07 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:34 pm EST.
Sunshine
In Preston Hollow, the average sunshine in December is 4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
How cold is it in Preston Hollow in December?
What are the most humid months in Preston Hollow?
What is the average humidity in December in Preston Hollow?
How many days does it rain in December in Preston Hollow?
What is the snowiest month in Preston Hollow?
How much does it snow in Preston Hollow in December?
What is the month with the shortest days in Preston Hollow?
How many hours of daylight does Preston Hollow have in December?
When are sunrise and sunset in December in Preston Hollow?
How long on average sun shines in December in Preston Hollow?
What is the month with the lowest UV index in Preston Hollow?
How high is the UV index in December in Preston Hollow?
Average temperature in December
Preston Hollow, NY
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in December
Preston Hollow, NY
- Average pressure in December: 30.06"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
Preston Hollow, NY
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Preston Hollow, NY
- Average humidity in December: 85%
The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in December
Preston Hollow, NY
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in December
Preston Hollow, NY
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
Preston Hollow, NY
- Average snowfall in December: 6.65"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Preston Hollow, NY
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Preston Hollow, 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: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Preston Hollow, NY
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Preston Hollow, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Preston Hollow, NY
- Average cloud cover in December: 60
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Preston Hollow, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Preston Hollow, New York, USA
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