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 December, the average high-temperature marginally decreases from a fresh 52.3°F (11.3°C) in November to a frosty 43.9°F (6.6°C). Shoreham encounters a small divergence from daytime high temperatures, averaging a low-temperature of 36.5°F (2.5°C) during December nights.Humidity
In December, the average relative humidity is 73%.Rainfall
The month with the most rainfall is December, when the rain falls for 12.1 days and typically aggregates up to 3.82" (97mm) of precipitation.Snowfall
January through March, May and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 2.3 snowfall days, it receives 1.14" (29mm) of snow. In Shoreham, during the entire year, snow falls for 14.9 days and aggregates up to 5.71" (145mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:57 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:33 pm EST.
Sunshine
In December, the average sunshine is 4.8h.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
When does it start to snow in Shoreham?
What is the month with the shortest days?
How many hours of daylight does Shoreham have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Shoreham have in December?
What is the month with the lowest UV index in Shoreham?
What is the UV index reading in December?
Average temperature in December
Shoreham, NY
- Average high temperature in December: 43.9°F
The warmest months (with the highest average high temperature) are July and August (78.3°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 36.5°F
The months with the highest average low temperature are July and August (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
Shoreham, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Shoreham, NY
- Average wind speed in December: 13.2mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).
Average humidity in December
Shoreham, NY
- Average humidity in December: 73%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
Shoreham, NY
- Average rainfall in December: 3.82"
The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in December
Shoreham, NY
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (8 days).
Average snowfall in December
Shoreham, NY
- Average snowfall in December: 1.14"
The month with the highest snowfall is March (2.17").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in December
Shoreham, NY
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Shoreham, NY
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Shoreham, NY
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is August (12.5 days).
Average UV index in December
Shoreham, NY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in December
Shoreham, NY
- Average cloud cover in December: 50
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Shoreham, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Shoreham, New York, USA
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