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
December suggests a modest reduction in the average high-temperature, shifting from a chilly 46°F (7.8°C) in November to an icy 35.6°F (2°C). West Henrietta, during the nights of December, experiences an average temperature drop to a subzero cold 26.2°F (-3.2°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In West Henrietta, New York, in December, it is raining for 10.6 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, in West Henrietta, there are 168.2 rainfall days, and 26.1" (663mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In West Henrietta, during December, snow falls for 15.5 days and regularly aggregates up to 5.51" (140mm) of snow. In West Henrietta, during the entire year, snow falls for 78 days and aggregates up to 28.46" (723mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December in West Henrietta, sunrise is at 7:22 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:45 pm EST.
Sunshine
In West Henrietta, the average sunshine in December is 3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in West Henrietta in December?
What is the average humidity in December in West Henrietta?
How much does it rain in West Henrietta in December?
How many days does it snow in December in West Henrietta?
What is the month with the shortest days in West Henrietta?
How many hours of daylight does West Henrietta have in December?
When are sunrise and sunset in December in West Henrietta?
How long on average sun shines in December in West Henrietta?
When is the lowest UV index in West Henrietta?
How high is the UV index in December in West Henrietta?
Average temperature in December
West Henrietta, NY
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
West Henrietta, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
West Henrietta, NY
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are January and February (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in December
West Henrietta, NY
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, May, July, August and September (77%).
Average rainfall in December
West Henrietta, NY
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days in December
West Henrietta, NY
- Average rainfall days in December: 10.6 days
The months with the highest number of rainy days are July and August (18.3 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in December
West Henrietta, NY
- Average snowfall in December: 5.51"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
West Henrietta, NY
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
West Henrietta, NY
- Average daylight in December: 9h and 1min
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 6min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in December
West Henrietta, NY
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is September (13.2 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in December
West Henrietta, 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
West Henrietta, NY
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
West Henrietta, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
West Henrietta, New York, USA
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