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
Port Monmouth's weather subtly changes with the onset of December, barely falling from a cool 52.2°F (11.2°C) in November to a chilly 43.9°F (6.6°C). December's average low-temperature in Port Monmouth is a cold 35.4°F (1.9°C), reflecting a minor difference from the day's peak temperatures.Humidity
The average relative humidity in December in Port Monmouth is 76%.Rainfall
In Port Monmouth, during December, the rain falls for 9.3 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Port Monmouth, New Jersey, during the entire year, the rain falls for 127 days and collects up to 12.99" (330mm) of precipitation.Snowfall
Months with snowfall are January through March, October through December. The months with the most snowfall in Port Monmouth, New Jersey, are January and December, with an average 0.47" (12mm) of accumulated snow.Daylight
The month with the shortest days in Port Monmouth is December, with an average of 9h and 18min 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, sunrise is at 7:19 am and sunset at 4:40 pm EST.
Sunshine
In Port Monmouth, the average sunshine in December is 5.1h.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 of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests this advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Enhance your sun protection with tightly woven, yet airy clothing. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold is it in Port Monmouth in December?
What is the average humidity in December in Port Monmouth?
How much does it rain in Port Monmouth in December?
When does it snow the most in Port Monmouth?
How many days does it snow in December in Port Monmouth?
What is the month with the shortest days in Port Monmouth?
What is the average length of the day in December in Port Monmouth?
When are sunrise and sunset in December in Port Monmouth?
How many hours of sunshine does Port Monmouth have in December?
When is the lowest UV index in Port Monmouth?
What is the UV index intensity in December in Port Monmouth?
Average temperature in December
Port Monmouth, NJ
- Average high temperature in December: 43.9°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 (37.8°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
Port Monmouth, 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
Port Monmouth, NJ
- Average wind speed in December: 11mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in December
Port Monmouth, NJ
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Port Monmouth, NJ
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in December
Port Monmouth, NJ
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in December
Port Monmouth, NJ
- Average snowfall in December: 0.47"
The months with the highest snowfall are January and December (0.47").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Port Monmouth, NJ
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Port Monmouth, 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 18min).
- Average sunshine in December: 5h and 1min
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 48min).
Average sunshine days in December
Port Monmouth, NJ
- Average sunshine days in December: 18 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in December
Port Monmouth, 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
Port Monmouth, NJ
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Port Monmouth, 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).
Port Monmouth, New Jersey, USA
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