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 onset of December results in a small decrease in the average high-temperature, moderately receding from a cool 52.7°F (11.5°C) in November to a chilly 44.6°F (7°C). An average low-temperature of 34.3°F (1.3°C) is observed during December nights in Holmansville.Humidity
In Holmansville, the average relative humidity in December is 78%.Rainfall
In December, the rain falls for 8.1 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. Throughout the year, in Holmansville, there are 114.4 rainfall days, and 10.28" (261mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Holmansville, New Jersey, during December, snow falls for 2.2 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, in Holmansville, there are 12.4 snowfall days, and 2.36" (60mm) of snow is accumulated.Daylight
The month with the shortest days in Holmansville is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:41 pm EST.
Sunshine
In Holmansville, New Jersey, the average sunshine in December is 5.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is December in Holmansville?
What is the average humidity in December in Holmansville?
How many days does it rain in December in Holmansville?
How many days does it snow in December in Holmansville?
What is the month with the shortest days in Holmansville?
What is the average length of the day in December in Holmansville?
When are sunrise and sunset in December in Holmansville?
How long on average sun shines in December in Holmansville?
What is the month with the lowest UV index in Holmansville?
How high is the UV index in December in Holmansville?
Average temperature in December
Holmansville, NJ
- Average high temperature in December: 44.6°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Holmansville, NJ
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Holmansville, NJ
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Holmansville, NJ
- Average humidity in December: 78%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Holmansville, NJ
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is July (1.38").
The driest months (with the least rainfall) are January and September (0.55").
Average rainfall days in December
Holmansville, NJ
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Holmansville, NJ
- Average snowfall in December: 0.59"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Holmansville, NJ
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Holmansville, NJ
- 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 24min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Holmansville, NJ
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (14.1 days).
Average UV index in December
Holmansville, NJ
- 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
Holmansville, NJ
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in December
Holmansville, NJ
- 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).
Holmansville, New Jersey, USA
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