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 start of December involves a temperature drop, moving from a chilly 43.9°F (6.6°C) in November to a wintry 32.9°F (0.5°C). Nelliston's nights in December cool down to an average low-temperature of 23.2°F (-4.9°C).Humidity
The average relative humidity in December in Nelliston is 84%.Rainfall
In Nelliston, New York, in December, it is raining for 12.7 days, with typically 2.99" (76mm) of accumulated precipitation. Throughout the year, there are 171 rainfall days, and 34.25" (870mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Nelliston, New York, in December, during 14 snowfall days, 6.93" (176mm) of snow is typically accumulated. Throughout the year, in Nelliston, there are 71.4 snowfall days, and 33.58" (853mm) of snow is accumulated.Daylight
The month with the shortest days in Nelliston is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:10 am and sunset at 4:25 pm. On the last day of December, in Nelliston, sunrise is at 7:29 am and sunset at 4:34 pm EST.
Sunshine
The average sunshine in December in Nelliston is 3.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Nelliston. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Nelliston?
What is the average humidity in December in Nelliston?
How many days does it rain in December in Nelliston?
How much does it snow in Nelliston in December?
What is the month with the shortest days in Nelliston?
What is the average length of the day in December in Nelliston?
When is the sunrise / sunset in December in Nelliston?
How long on average sun shines in December in Nelliston?
When is the lowest UV index in Nelliston?
What is the UV index intensity in December in Nelliston?
Average temperature in December
Nelliston, NY
- Average high temperature in December: 32.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in December
Nelliston, 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 (29.92"Hg).
Average wind speed in December
Nelliston, NY
- Average wind speed in December: 8.6mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Nelliston, NY
- Average humidity in December: 84%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Nelliston, NY
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Nelliston, NY
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in December
Nelliston, NY
- Average snowfall in December: 6.93"
The month with the highest snowfall is February (9.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Nelliston, NY
- Average snowfall days in December: 14 days
The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Nelliston, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in December
Nelliston, NY
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in December
Nelliston, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Nelliston, NY
- Average cloud cover in December: 63
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Nelliston, NY
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Nelliston, New York, USA
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