December weather forecastCranmoor Manor, NJ
December
Weather in December
December, the first month of the winter in Cranmoor Manor, is still a chilly month, with an average temperature ranging between max 45°F (7.2°C) and min 36.1°F (2.3°C).Temperature
Cranmoor Manor's transition into December involves a gentle shift in temperature, receding from a cool 53.1°F (11.7°C) in November to a frosty 45°F (7.2°C). Cranmoor Manor's nighttime temperature in December consistently rests at an icy 36.1°F (2.3°C).Humidity
In Cranmoor Manor, the average relative humidity in December is 77%.Rainfall
In December, the rain falls for 9.6 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. Throughout the year, in Cranmoor Manor, there are 129.4 rainfall days, and 15.31" (389mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 2.8 days and accumulates 0.75" (19mm) of snow.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 6:59 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:41 pm EST.
Sunshine
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 minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cranmoor Manor, NJ
- Average high temperature in December: 45°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Cranmoor Manor, 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
Cranmoor Manor, NJ
- Average wind speed in December: 11.1mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in December
Cranmoor Manor, NJ
- Average humidity in December: 77%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March and November (74%).
Average rainfall in December
Cranmoor Manor, NJ
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in December
Cranmoor Manor, NJ
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Cranmoor Manor, NJ
- Average snowfall in December: 0.75"
The month with the highest snowfall is December (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Cranmoor Manor, NJ
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Cranmoor Manor, 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Cranmoor Manor, NJ
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in December
Cranmoor Manor, 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
Cranmoor Manor, 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
Cranmoor Manor, 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).
