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
With December's arrival, Nelson's weather changes as the average high-temperature falls from a frosty 43.7°F (6.5°C) in November to an icy 33.1°F (0.6°C). Throughout the month of December, Nelson witnesses an average temperature of 23.9°F (-4.5°C).Humidity
In December, the average relative humidity is 86%.Rainfall
In Nelson, in December, during 9.8 rainfall days, 3.27" (83mm) of precipitation is typically accumulated. Throughout the year, there are 173.3 rainfall days, and 38.5" (978mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 18.5 days. Throughout December, 11.65" (296mm) of snow is accumulated. In Nelson, during the entire year, snow falls for 100.5 days and aggregates up to 59.65" (1515mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:29 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:38 pm EST.
Sunshine
In Nelson, the average sunshine in December is 2.9h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much 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 in Nelson?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Nelson, NY
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in December
Nelson, 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
Nelson, NY
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).
Average humidity in December
Nelson, NY
- Average humidity in December: 86%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in December
Nelson, NY
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is April (3.78").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in December
Nelson, NY
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Nelson, NY
- Average snowfall in December: 11.65"
The month with the highest snowfall is February (13.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Nelson, NY
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is January (22.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Nelson, 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: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Nelson, NY
- Average sunshine days in December: 6.7 days
The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is February (4.3 days).
Average UV index in December
Nelson, 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, February and December (UV index 1).
Average cloud cover in December
Nelson, NY
- Average cloud cover in December: 70
The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in December
Nelson, NY
- Average visibility in December: 5mi
The months with the highest visibility are May, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
Nelson, New York, USA
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