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
With the beginning of December, the average high-temperature shows a decrease, transitioning from a frosty 45.5°F (7.5°C) in November to a cold 36°F (2.2°C). December nights document an average temperature reading of 28.2°F (-2.1°C).Humidity
In Irving, New York, the average relative humidity in December is 83%.Rainfall
In Irving, in December, it is raining for 10.5 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, in Irving, there are 168.1 rainfall days, and 26.54" (674mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Irving, in December, snow falls for 13.2 days, with typically accumulated 3.07" (78mm) of snow. In Irving, during the entire year, snow falls for 62.6 days and aggregates up to 17.68" (449mm) of snow.Daylight
December has the shortest days of the year in Irving, New York, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:27 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:46 am and sunset at 4:53 pm EST.
Sunshine
The average sunshine in December in Irving is 2.8h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Irving, New York. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Irving in December?
What is the average humidity in December in Irving?
How many days does it rain in December in Irving?
How many days does it snow in December in Irving?
What is the month with the shortest days in Irving?
What is the average length of the day in December in Irving?
What time are sunrise and sunset in December in Irving?
How many hours of sunshine does Irving have in December?
What are the months with the lowest UV index in Irving?
What is the UV index reading in December in Irving?
Average temperature in December
Irving, NY
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Irving, 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 (29.93"Hg).
Average wind speed in December
Irving, NY
- Average wind speed in December: 11.9mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Irving, NY
- Average humidity in December: 83%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is September (77%).
Average rainfall in December
Irving, NY
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in December
Irving, NY
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is October (18.5 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Irving, NY
- Average snowfall in December: 3.07"
The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Irving, NY
- Average snowfall days in December: 13.2 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Irving, 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: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Irving, NY
- Average sunshine days in December: 8 days
The month with the most sunshine days is June (12.8 days).
The month with the least sunshine days is January (6.5 days).
Average UV index in December
Irving, 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
Irving, NY
- Average cloud cover in December: 72
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Irving, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Irving, New York, USA
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