Also consider one of our other suggestions for December.
The average maximum temperature in New Jersey in December is 8°. The average maximum temperature is 13° in the previous month and 5° in the next month.
The average temperature in New Jersey in December is 4°. The average temperature ranges is 8° in the previous month and 0° in the next month.
The average minimum temperature in New Jersey in December is -1°. The minimum temperature is 4° in the previous month and -4° in the next month.
The average day light hours per day in New Jersey in December are 9.4 and there are 7 hours of sunshine per day on average during December making it a quite sunny month with some cloud cover.
The ultraviolet index in New Jersey in December is typically 1.7 during December. An ultraviolet index reading of 0 to 2 indicates low danger from the sun's UV rays for the average person. Most people will be able to spend several hours in the sun with out a problem, however unprotected skin risks burning in less than 1 hour. Wear sunglasses on bright days. Only those that burn easily will need to apply sunscreen. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in New Jersey in December is 9.1° which is very cold and bracing, it's not recommended you swim with out a full wet suit.
The average total rainfall in New Jersey in December is 61.1cm and on average there are 10.8 rainy days in December making it a wet time to visit the beach.
The maximum dew point (an indicator of humidity) in New Jersey in December is 2° which is a bit dry for some. The dew point is 5° in the previous month and -2° in the next month.
The average maximum relative humidity in New Jersey in December is typically 83.1%. The maximum relative humidity is 83.7% in the previous month and 80.2% in the next month.
The average relative humidity in New Jersey in December is typically 67.1%. The average relative humidity is 66.4% in the previous month and 63.3% in the next month.
The average maximum wind speed in New Jersey in December is typically 27kmh. The average maximum wind speed is 25kmh in the previous month and 27kmh in the next month.
The average wind speed in New Jersey in December is typically 13kmh. The average wind speed is 12kmh in the previous month and 13kmh in the next month.
The average wind direction in New Jersey in December is from the West-Northwest.