December weather forecastNew Plymouth, OH
December
Weather in December
December, the first month of the winter in New Plymouth, is still a cold month, with an average temperature varying between 29.7°F (-1.3°C) and 41.5°F (5.3°C).Temperature
December involves a decrease in temperature, down from a fresh 50.9°F (10.5°C) in November to a wintry 41.5°F (5.3°C). The nights of December anticipate an average low-temperature of 29.7°F (-1.3°C).Humidity
In New Plymouth, the average relative humidity in December is 82%.Rainfall
In December, in New Plymouth, the rain falls for 9.5 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. In New Plymouth, during the entire year, the rain falls for 141.9 days and collects up to 17.83" (453mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In New Plymouth, in December, snow falls for 5.6 days, with typically accumulated 0.75" (19mm) of snow. Throughout the year, there are 27 snowfall days, and 5" (127mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:31 am and sunset at 5:06 pm. On the last day of December, sunrise is at 7:49 am and sunset at 5:16 pm EST.
Sunshine
The average sunshine in December in New Plymouth is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
New Plymouth, OH
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
New Plymouth, OH
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
New Plymouth, OH
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
New Plymouth, OH
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April, June, August, September and November (76%).
Average rainfall in December
New Plymouth, OH
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in December
New Plymouth, OH
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in December
New Plymouth, OH
- Average snowfall in December: 0.75"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
New Plymouth, OH
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is January (8.2 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
New Plymouth, OH
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
New Plymouth, OH
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
New Plymouth, OH
- 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, November and December (UV index 2).
Average cloud cover in December
New Plymouth, OH
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
New Plymouth, OH
- Average visibility in December: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).





