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 average high-temperature shows a slight dip in December, from November's cool 52.5°F (11.4°C) to a frosty 44.4°F (6.9°C). December nights cool to an average low-temperature of 37°F (2.8°C), a marginal decrease from its daytime equivalent.Humidity
The average relative humidity in December is 74%.Rainfall
The month with the most rainfall is December, when the rain falls for 13.1 days and typically aggregates up to 3.27" (83mm) of precipitation.Snowfall
January through March, May, November and December are months with snowfall. In December, it is snowing for 2.9 days. Throughout December, 0.59" (15mm) of snow is accumulated. Throughout the year, there are 18.6 snowfall days, and 4.45" (113mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 6:56 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:33 pm EST.
Sunshine
The average sunshine in December 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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the average humidity in December?
What is the rainiest month in Manorville?
How much does it rain in December?
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 long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Manorville, NY
- Average high temperature in December: 44.4°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in December: 37°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Manorville, 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
Manorville, NY
- Average wind speed in December: 14.2mph
The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest month (with the lowest average wind speed) is July (9.5mph).
Average humidity in December
Manorville, NY
- Average humidity in December: 74%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
Manorville, NY
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Manorville, NY
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (9 days).
Average snowfall in December
Manorville, NY
- Average snowfall in December: 0.59"
The month with the highest snowfall is March (1.54").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in December
Manorville, NY
- Average snowfall days in December: 2.9 days
The month with the highest number of snowfall days is January (5.5 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
Manorville, 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 months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Manorville, NY
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in December
Manorville, 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
Manorville, NY
- Average cloud cover in December: 49
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Manorville, 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).
Manorville, New York, USA
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