December weather forecastShrewsbury, NJ
December
Weather in December
The first month of the winter, December, is still a chilly month in Shrewsbury, New Jersey, with an average temperature ranging between max 44.2°F (6.8°C) and min 36°F (2.2°C).Temperature
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a cool 52.3°F (11.3°C) in November to a chilly 44.2°F (6.8°C). Shrewsbury's December nights demonstrate minimal variation from the daytime temperatures, with an average of 36°F (2.2°C).Humidity
The average relative humidity in December in Shrewsbury is 75%.Rainfall
In Shrewsbury, during December, the rain falls for 9.2 days and regularly aggregates up to 1.18" (30mm) of precipitation. In Shrewsbury, New Jersey, during the entire year, the rain falls for 125.1 days and collects up to 12.64" (321mm) of precipitation.Snowfall
January through March, October and December are months with snowfall in Shrewsbury. December is the month with the most snowfall. Snow falls for 3.3 days and accumulates 0.47" (12mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:30 pm. On the last day of December, in Shrewsbury, sunrise is at 7:18 am and sunset at 4:40 pm EST.
Sunshine
The average sunshine in December is 5.1h.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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Shrewsbury, NJ
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 36°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Shrewsbury, 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
Shrewsbury, NJ
- Average wind speed in December: 11.7mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in December
Shrewsbury, NJ
- Average humidity in December: 75%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Shrewsbury, NJ
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Shrewsbury, NJ
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Shrewsbury, NJ
- Average snowfall in December: 0.47"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are April, May, June, July, August, September and November (0").
Average snowfall days in December
Shrewsbury, NJ
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Shrewsbury, NJ
- Average daylight in December: 9h and 24min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Shrewsbury, NJ
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is November (21.6 days).
The month with the least sunshine days is July (13 days).
Average UV index in December
Shrewsbury, 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
Shrewsbury, NJ
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Shrewsbury, 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).
