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 is marked by a minor decrease in temperature, transitioning from a fresh 53.1°F (11.7°C) in November to a frosty 45°F (7.2°C). Cranmoor Manor sees a gentle drop from the daily peak temperature in December, with an average low settling at an icy 36.1°F (2.3°C).Humidity
The average relative humidity in December in Cranmoor Manor is 77%.Rainfall
In Cranmoor Manor, New Jersey, in December, it is raining for 9.6 days, with typically 1.5" (38mm) of accumulated precipitation. In Cranmoor Manor, during the entire year, the rain falls for 129.4 days and collects up to 15.31" (389mm) of precipitation.Snowfall
Months with snowfall in Cranmoor Manor are January through March, November and December. The month with the most snowfall is December, when snow falls for 2.8 days and typically aggregates up to 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 December in Cranmoor Manor, sunrise is at 6:59 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:41 pm EST.
Sunshine
The average sunshine in December in Cranmoor Manor, New Jersey, 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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are December temperatures in Cranmoor Manor?
What is the average humidity in December in Cranmoor Manor?
How many days does it rain in December in Cranmoor Manor?
When does it snow the most in Cranmoor Manor?
How much does it snow in Cranmoor Manor in December?
What is the month with the shortest days in Cranmoor Manor?
What is the average length of the day in December in Cranmoor Manor?
What time are sunrise and sunset in December in Cranmoor Manor?
How long on average sun shines in December in Cranmoor Manor?
What are the months with the lowest UV index in Cranmoor Manor?
What is the UV index reading in December in Cranmoor Manor?
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 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 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).
Cranmoor Manor, New Jersey, USA
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