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 transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a fresh 51.8°F (11°C) in November to a chilly 43°F (6.1°C). An average nighttime temperature of 31.1°F (-0.5°C) is recorded in Old Mill Farms during December.Humidity
In December, the average relative humidity in Old Mill Farms is 78%.Rainfall
In Old Mill Farms, in December, it is raining for 8.2 days, with typically 1.26" (32mm) of accumulated precipitation. In Old Mill Farms, New Jersey, during the entire year, the rain falls for 119.3 days and collects up to 12.72" (323mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Old Mill Farms, during December, snow falls for 2.7 days and regularly aggregates up to 0.75" (19mm) of snow. In Old Mill Farms, during the entire year, snow falls for 16.4 days and aggregates up to 4.41" (112mm) of snow.Daylight
The month with the shortest days in Old Mill Farms is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:32 pm. On the last day of December, in Old Mill Farms, sunrise is at 7:21 am and sunset at 4:42 pm EST.
Sunshine
In Old Mill Farms, the average sunshine in December is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
How cold is December in Old Mill Farms?
What is the average humidity in December in Old Mill Farms?
How much does it rain in Old Mill Farms in December?
How much does it snow in Old Mill Farms in December?
What is the month with the shortest days in Old Mill Farms?
How many hours of daylight does Old Mill Farms have in December?
What time are sunrise and sunset in December in Old Mill Farms?
How long on average sun shines in December in Old Mill Farms?
What are the months with the lowest UV index in Old Mill Farms?
What is the UV index intensity in December in Old Mill Farms?
Average temperature in December
Old Mill Farms, NJ
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Old Mill Farms, 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
Old Mill Farms, NJ
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Old Mill Farms, NJ
- Average humidity in December: 78%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Old Mill Farms, NJ
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in December
Old Mill Farms, NJ
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Old Mill Farms, NJ
- Average snowfall in December: 0.75"
The month with the highest snowfall is March (1.42").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Old Mill Farms, NJ
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is January (4.6 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
Old Mill Farms, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Old Mill Farms, NJ
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in December
Old Mill Farms, 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, March, November and December (UV index 2).
Average cloud cover in December
Old Mill Farms, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Old Mill Farms, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Old Mill Farms, New Jersey, USA
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