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
December implies a gentle temperature shift, with average high-temperatures reducing from November's frosty 49.1°F (9.5°C) to a cold 39.6°F (4.2°C). Throughout December, New Cumberland anticipates an average low-temperature of 28°F (-2.2°C).Humidity
The average relative humidity in December is 83%.Rainfall
In New Cumberland, in December, during 12.1 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In New Cumberland, West Virginia, during the entire year, the rain falls for 175.9 days and collects up to 31.22" (793mm) of precipitation.Snowfall
Months with snowfall in New Cumberland, West Virginia, are January through May, October through December. In December, in New Cumberland, West Virginia, it is snowing for 11.7 days. Throughout December, 3.43" (87mm) of snow is accumulated. In New Cumberland, during the entire year, snow falls for 56.5 days and aggregates up to 19.41" (493mm) of snow.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 7:27 am and sunset at 4:56 pm. On the last day of December, in New Cumberland, sunrise is at 7:45 am and sunset at 5:05 pm EST.
Sunshine
The average sunshine in December is 3.5h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in New Cumberland during December?
What is the average humidity in December in New Cumberland?
How much does it rain in New Cumberland in December?
How many days does it snow in December in New Cumberland?
What is the month with the shortest days in New Cumberland?
How many hours of daylight does New Cumberland have in December?
When are sunrise and sunset in December in New Cumberland?
How long on average sun shines in December in New Cumberland?
What is the month with the lowest UV index in New Cumberland?
What is the UV index reading in December in New Cumberland?
Average temperature in December
New Cumberland, WV
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
New Cumberland, WV
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
New Cumberland, WV
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
New Cumberland, WV
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
New Cumberland, WV
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in December
New Cumberland, WV
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in December
New Cumberland, WV
- Average snowfall in December: 3.43"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
New Cumberland, WV
- Average snowfall days in December: 11.7 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
New Cumberland, WV
- 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: 3h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
New Cumberland, WV
- Average sunshine days in December: 10.6 days
The month with the most sunshine days is November (15.5 days).
The months with the least sunshine days are January and May (8.8 days).
Average UV index in December
New Cumberland, WV
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
New Cumberland, WV
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
New Cumberland, WV
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).
New Cumberland, West Virginia, USA
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