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
In Jay, the average high-temperature in December drops from an icy 40.3°F (4.6°C) in November to a freezing cold 29.1°F (-1.6°C). During the month of December, an average low-temperature of 18.9°F (-7.3°C) is recorded.Humidity
In Jay, the average relative humidity in December is 86%.Rainfall
In Jay, in December, it is raining for 10.9 days, with typically 2.4" (61mm) of accumulated precipitation. In Jay, during the entire year, the rain falls for 176.2 days and collects up to 31.02" (788mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Jay, in December, snow falls for 19.6 days, with typically accumulated 8.5" (216mm) of snow. In Jay, during the entire year, snow falls for 104.5 days and aggregates up to 55.87" (1419mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:11 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:25 pm EST.
Sunshine
In December, the average sunshine is 3.4h.UV index
The months with the lowest UV index are January, March and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index in Jay?
What is the UV index reading in December?
Average temperature in December
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
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
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
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
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
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
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
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
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
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
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
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
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).
Jay, New York, USA
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