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
Start of December brings a shift in the average high-temperature, falling from November's cold 40.3°F (4.6°C) to a freezing cold 29.1°F (-1.6°C). During the nights in December, Upper Jay experiences a consistent average temperature of 18.9°F (-7.3°C).Humidity
The average relative humidity in December is 86%.Rainfall
In December, the rain falls for 10.9 days. Throughout December, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 176.2 rainfall days, and 31.02" (788mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Upper Jay, New York, it is snowing for 19.6 days. Throughout December, 8.5" (216mm) of snow is accumulated. Throughout the year, in Upper Jay, there are 104.5 snowfall days, and 55.87" (1419mm) of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:11 am and sunset at 4:17 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:25 pm EST.
Sunshine
In Upper Jay, New York, the average sunshine in December is 3.4h.UV index
The months with the lowest UV index in Upper Jay are January, March and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
How cold is December in Upper Jay?
What is the average humidity in December in Upper Jay?
How many days does it rain in December in Upper Jay?
How much does it snow in Upper Jay in December?
What is the month with the shortest days in Upper Jay?
What is the average length of the day in December in Upper Jay?
When is the sunrise / sunset in December in Upper Jay?
How many hours of sunshine does Upper Jay have in December?
What is the month with the lowest UV index in Upper Jay?
What is the UV index intensity in December in Upper Jay?
Average temperature in December
Upper Jay, NY
- Average high temperature in December: 29.1°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in December
Upper Jay, NY
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Upper Jay, NY
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Upper Jay, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Upper Jay, NY
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Upper Jay, NY
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is June (19.2 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Upper Jay, NY
- Average snowfall in December: 8.5"
The month with the highest snowfall is February (12.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Upper Jay, NY
- Average snowfall days in December: 19.6 days
The months with the highest number of snowfall days are January and February (21.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Upper Jay, NY
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in December
Upper Jay, NY
- Average sunshine days in December: 7.8 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in December
Upper Jay, NY
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).
Average cloud cover in December
Upper Jay, NY
- Average cloud cover in December: 66
The month with the most cloud cover is February (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Upper Jay, NY
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March and December (4mi).
Upper Jay, New York, USA
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