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
The shift from November to December involves a decrease in the average high-temperature, from a wintry 41.9°F (5.5°C) to a freezing cold 31.1°F (-0.5°C). Throughout December, the average low-temperature records at a still subzero cold 21°F (-6.1°C).Humidity
The average relative humidity in December in Essex is 83%.Rainfall
In Essex, in December, it is raining for 7.3 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, in Essex, there are 112 rainfall days, and 8.23" (209mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Essex, during December, snow falls for 9.7 days and regularly aggregates up to 1.34" (34mm) of snow. Throughout the year, there are 49.7 snowfall days, and 8.27" (210mm) of snow is accumulated.Daylight
The month with the shortest days in Essex is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:24 pm EST.
Sunshine
In December, the average sunshine is 4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Essex. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, a regular UV index of 1 translates into these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold is it in Essex in December?
What is the average humidity in December in Essex?
How many days does it rain in December in Essex?
How many days does it snow in December in Essex?
What is the month with the shortest days in Essex?
What is the average length of the day in December in Essex?
When is the sunrise / sunset in December in Essex?
How many hours of sunshine does Essex have in December?
When is the lowest UV index in Essex?
What is the UV index reading in December in Essex?
Average temperature in December
Essex, NY
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in December: 21°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in December
Essex, 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
Essex, NY
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Essex, NY
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in December
Essex, NY
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (0.98").
The driest months (with the least rainfall) are January and September (0.47").
Average rainfall days in December
Essex, NY
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is April (12.4 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in December
Essex, NY
- Average snowfall in December: 1.34"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Essex, NY
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Essex, 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: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Essex, NY
- Average sunshine days in December: 18 days
The month with the most sunshine days is September (20.3 days).
The months with the least sunshine days are April and July (15.7 days).
Average UV index in December
Essex, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Essex, NY
- Average cloud cover in December: 60
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Essex, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May and November (6mi).
The months with the lowest visibility are January, February, March, June, July, August, September, October and December (5mi).
Essex, New York, USA
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