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
A moderate decline in the average high-temperature is seen during December, decreasing from a frosty 45.9°F (7.7°C) in November to a wintry 36.3°F (2.4°C). In December, a low-temperature average of 28.6°F (-1.9°C) is characteristic of Union Hill, marking a minor shift from daytime temperatures.Humidity
The average relative humidity in December is 81%.Rainfall
In Union Hill, in December, during 10.7 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Union Hill, during the entire year, the rain falls for 167.9 days and collects up to 31.18" (792mm) of precipitation.Snowfall
Months with snowfall in Union Hill are January through May, October through December. In Union Hill, in December, during 12.8 snowfall days, 4.37" (111mm) of snow is typically accumulated. In Union Hill, during the entire year, snow falls for 62.3 days and aggregates up to 20.63" (524mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of December in Union Hill, sunrise is at 7:22 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:44 pm EST.
Sunshine
In Union Hill, 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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 1 in December translates into these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Union Hill have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index in Union Hill?
What is the UV index reading in December?
Average temperature in December
Union Hill, NY
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in December
Union Hill, 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
Union Hill, NY
- Average wind speed in December: 12.4mph
The windiest month (with the highest average wind speed) is January (13.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in December
Union Hill, NY
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are August and September (75%).
Average rainfall in December
Union Hill, NY
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Union Hill, NY
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Union Hill, NY
- Average snowfall in December: 4.37"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Union Hill, NY
- Average snowfall days in December: 12.8 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Union Hill, 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 0min
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
Union Hill, NY
- Average sunshine days in December: 8.1 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in December
Union Hill, NY
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Union Hill, NY
- Average cloud cover in December: 70
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
Union Hill, 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).
Union Hill, New York, USA
Weather forecast for your location
2. Allow the app to use your location