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 Republic, New Jersey, in December experiences a gentle temperature dip, with average high-temperatures reducing from a cool 53.6°F (12°C) in November to a chilly 46°F (7.8°C). Nighttime temperatures record an average of 37°F (2.8°C) throughout December.Humidity
In December, the average relative humidity is 76%.Rainfall
The month with the most rainfall in Port Republic is December, when the rain falls for 5.5 days and typically aggregates up to 0.75" (19mm) of precipitation.Snowfall
Months with snowfall in Port Republic are January through March and December. December is the first month it typically snows. Throughout December, in the average 1 snowfall days, it receives 0.08" (2mm) of snow. In Port Republic, during the entire year, snow falls for 6 days and aggregates up to 0.59" (15mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:34 pm. On the last day of December, in Port Republic, sunrise is at 7:18 am and sunset at 4:44 pm EST.
Sunshine
In December, the average sunshine is 5.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What are December temperatures in Port Republic?
What is the average humidity in December in Port Republic?
What is the wettest month in Port Republic?
How many days does it rain in December in Port Republic?
When does it start to snow in Port Republic?
What is the month with the shortest days in Port Republic?
What is the average length of the day in December in Port Republic?
When are sunrise and sunset in December in Port Republic?
How many hours of sunshine does Port Republic have in December?
What are the months with the lowest UV index in Port Republic?
What is the UV index intensity in December in Port Republic?
Average temperature in December
Port Republic, NJ
- Average high temperature in December: 46°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 (39.9°F).
- Average low temperature in December: 37°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 (30.4°F).
Average pressure in December
Port Republic, NJ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Port Republic, NJ
- Average wind speed in December: 11.1mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in December
Port Republic, NJ
- Average humidity in December: 76%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in December
Port Republic, NJ
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is December (0.75").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in December
Port Republic, NJ
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is July (10.3 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Port Republic, NJ
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Port Republic, NJ
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Port Republic, NJ
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Port Republic, NJ
- Average sunshine days in December: 23.6 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is August (18.2 days).
Average UV index in December
Port Republic, NJ
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Port Republic, NJ
- Average cloud cover in December: 45
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 27).
Average visibility in December
Port Republic, 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 Republic, New Jersey, USA
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