Allendale, NJ has a humid continental climate with four distinct seasons throughout the year. Summers are typically warm and humid, while winters are cold and snowy. Spring and autumn are mild with moderate rainfall. The temperature in Allendale varies from an average low of 20 degrees Fahrenheit in winter to an average high of 79 degrees Fahrenheit in summer. Precipitation is evenly distributed throughout the year, with an annual average of approximately 45 inches of rain and 25 inches of snowfall per year.
Allendale, New Jersey gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Allendale averages 24 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 208 sunny days per year in Allendale. The US average is 205 sunny days.
Allendale gets some kind of precipitation, on average, 117 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 81 degrees
Winter Low: the January low is 17
Rain: averages 50 inches of rain a year
Snow: averages 24 inches of snow a year