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
As December begins, there is a decrease in the average high-temperature, falling from an icy 42.3°F (5.7°C) in November to a freezing cold 30.7°F (-0.7°C). An average nighttime temperature of 20.1°F (-6.6°C) is observed during December.Humidity
In Jay, the average relative humidity in December is 81%.Rainfall
In Jay, in December, during 10 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, there are 139.5 rainfall days, and 28.78" (731mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Jay, during December, snow falls for 10.8 days and regularly aggregates up to 7.17" (182mm) of snow. Throughout the year, in Jay, there are 58.6 snowfall days, and 42.36" (1076mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 6:57 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:11 pm EST.
Sunshine
In Jay, Maine, the average sunshine in December is 4.6h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Jay. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Jay have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Jay have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Jay, ME
- Average high temperature in December: 30.7°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in December: 20.1°F
The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in December
Jay, ME
- Average pressure in December: 30.01"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Jay, ME
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Jay, ME
- Average humidity in December: 81%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Jay, ME
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is July (1.61").
Average rainfall days in December
Jay, ME
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is May (15.7 days).
The months with the least rainy days are January and February (7 days).
Average snowfall in December
Jay, ME
- Average snowfall in December: 7.17"
The month with the highest snowfall is February (9.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Jay, ME
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is March (12.7 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, ME
- 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: 4h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Jay, ME
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (12.1 days).
Average UV index in December
Jay, ME
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Jay, ME
- Average cloud cover in December: 51
The months with the most cloud cover are February and April (Cloud cover 54).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in December
Jay, ME
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (5mi).
The month with the lowest visibility is August (4mi).
Jay, Maine, USA
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