Use this monthly calendar to view weather averages, such as average temperature 14 days ahead of today, as well as the historical weather patterns over the past year. The US average is 205 sunny days. We have todays weather, high temperature, low temperature, rainfall, precipitation, snow, sun, clouds, humidity, and wind. Find the most current and reliable hourly weather forecasts, storm alerts, reports and information for Jackson, NJ, US with The Weather Network. Monthly Calendar; Lifestyle. Jackson Township Weather Forecasts. Be prepared with the most accurate 10-day forecast for Jackson Township, NJ with highs, lows, chance of precipitation from The Weather Channel and Weather.com The US average is 28 inches of snow per year. The first month of the winter, December, is also a frosty month in Jackson, New Jersey, with average temperature fluctuating between 27°F (-2.8°C) and 46°F (7.8°C). What city in the US has the best weather in summer? What city has the best weather year round? As the warmth of summer transitions to the cold of winter, New Jersey weather conditions can vary markedly from week to week. Temperature In December, the average high-temperature decreases, from a moderate 57°F (13.9°C) in November, to a frosty 46°F (7.8°C).In December, in Jackson, the average low-temperature is 27°F (-2.8°C). January, like December, in Jackson, New Jersey, is a wintry winter month, with average temperature fluctuating between 21.9°F (-5.6°C) and 41°F (5°C). The US average is 38 inches of rain per year. Find the most current and reliable 7 day weather forecasts, storm alerts, reports and information for [city] with The Weather Network. See the links below the 12-day Jackson (New Jersey) weather forecast table for other cities and towns nearby along with weather conditions for local outdoor activities. 2021 Compare Climate & Weather. On average, there are 206 sunny days per year in Jackson. Current weather in Six Flags Great Adventure Park and forecast for today, tomorrow, and next 14 days Local time in Jackson (New Jersey) is EST. Jackson, New Jersey gets 48 inches of rain, on average, per year. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Jackson Township area. Temperature The coldest month is January, with an average high-temperature of 41°F (5°C) and an average low-temperature of 21.9°F (-5.6°C). Our climate & weather tool can help. Compare two cities that interest you. Jackson averages 22 inches of snow per year. Jackson (New Jersey) is 37 m above sea level and located at 39.78° N 74.86° W. Jackson (New Jersey) has a population of 54856.