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
December
Weather in December
Temperature
Amityville's December weather features a light decline in high-temperatures, reducing from a fresh 52.2°F (11.2°C) in November to a chilly 44.1°F (6.7°C). A minor drop in temperature is observed from daytime highs during the nights of December, averaging an icy 37°F (2.8°C).Humidity
The average relative humidity in December in Amityville is 74%.Rainfall
In Amityville, in December, during 12.6 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. In Amityville, during the entire year, the rain falls for 158.8 days and collects up to 31.38" (797mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Amityville, in December, snow falls for 2.7 days, with typically accumulated 0.59" (15mm) of snow. In Amityville, during the entire year, snow falls for 16.8 days and aggregates up to 4.17" (106mm) 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 December, sunrise is at 6:58 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:36 pm EST.
Sunshine
In Amityville, the average sunshine in December is 4.9h.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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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?
How many days does it rain in December in Amityville?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Amityville have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Amityville, NY
- Average high temperature in December: 44.1°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 37°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Amityville, 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
Amityville, NY
- Average wind speed in December: 13.4mph
The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in December
Amityville, NY
- Average humidity in December: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
Amityville, NY
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in December
Amityville, NY
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Amityville, NY
- Average snowfall in December: 0.59"
The month with the highest snowfall is March (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Amityville, NY
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Amityville, NY
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Amityville, NY
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Amityville, 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
Amityville, NY
- Average cloud cover in December: 48
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Amityville, 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).