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
In Holley, the average high-temperature in December drops from a chilly 45.7°F (7.6°C) in November to a cold 36.1°F (2.3°C). In Holley, December is characterized by an average low-temperature of 28°F (-2.2°C), indicating a minor drop from daytime highs.Humidity
The average relative humidity in December in Holley is 82%.Rainfall
In Holley, New York, during December, the rain falls for 10.8 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Holley, there are 171.7 rainfall days, and 28.46" (723mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Holley, during December, snow falls for 14.5 days and regularly aggregates up to 4.92" (125mm) of snow. Throughout the year, in Holley, there are 69.8 snowfall days, and 26.54" (674mm) 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 the month, sunrise is at 7:24 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:44 am and sunset at 4:46 pm EST.
Sunshine
In Holley, the average sunshine in December is 3.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Holley. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Holley in December?
What is the average humidity in December in Holley?
How many days does it rain in December in Holley?
How many days does it snow in December in Holley?
What is the month with the shortest days in Holley?
How many hours of daylight does Holley have in December?
When are sunrise and sunset in December in Holley?
How many hours of sunshine does Holley have in December?
When is the lowest UV index in Holley?
What is the UV index reading in December in Holley?
Average temperature in December
Holley, NY
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Holley, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Holley, NY
- Average wind speed in December: 11.6mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in December
Holley, NY
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are August and September (76%).
Average rainfall in December
Holley, NY
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in December
Holley, NY
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Holley, NY
- Average snowfall in December: 4.92"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Holley, NY
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Holley, NY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Holley, NY
- Average sunshine days in December: 7.3 days
The month with the most sunshine days is September (13 days).
The month with the least sunshine days is February (6.2 days).
Average UV index in December
Holley, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Holley, NY
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in December
Holley, NY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Holley, New York, USA
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