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
Henrietta, New York, in December demonstrates a small temperature transition, adjusting from an average high of a frosty 45.9°F (7.7°C) in November to a wintry 36°F (2.2°C). A consistent average low of 27.5°F (-2.5°C) is noted throughout December, only a small step down from its daytime high.Humidity
In December, the average relative humidity in Henrietta is 83%.Rainfall
In December, the rain falls for 11.5 days. Throughout December, 2.48" (63mm) of precipitation is accumulated. In Henrietta, during the entire year, the rain falls for 172.4 days and collects up to 29.45" (748mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Henrietta, during December, snow falls for 14.2 days and regularly aggregates up to 5.31" (135mm) of snow. Throughout the year, in Henrietta, New York, there are 70.9 snowfall days, and 27.44" (697mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:22 am and sunset at 4:36 pm. On the last day of December, in Henrietta, New York, sunrise is at 7:41 am and sunset at 4:45 pm EST.
Sunshine
The average sunshine in December is 3.1h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 1 during December morphs into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is it in Henrietta in December?
What is the average humidity in December in Henrietta?
How much does it rain in Henrietta in December?
How many days does it snow in December in Henrietta?
What is the month with the shortest days in Henrietta?
How many hours of daylight does Henrietta have in December?
When are sunrise and sunset in December in Henrietta?
How long on average sun shines in December in Henrietta?
What are the months with the lowest UV index in Henrietta?
What is the UV index intensity in December in Henrietta?
Average temperature in December
Henrietta, NY
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
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
Henrietta, NY
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Henrietta, NY
- Average humidity in December: 83%
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
Henrietta, NY
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Henrietta, NY
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Henrietta, NY
- Average snowfall in December: 5.31"
The month with the highest snowfall is February (7.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Henrietta, NY
- Average snowfall days in December: 14.2 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in December
Henrietta, NY
- Average sunshine days in December: 8.4 days
The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in December
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
Henrietta, NY
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Henrietta, 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).
Henrietta, New York, USA
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