Historical weather data, all-time temperature records, and monthly climate averages for Greentree, NJ. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Greentree runs mild on average, with highs near 62° and lows around 39°—but the range tells a wilder story. This date has swung from a balmy 78° in 2010 to a teeth-chattering 24° back in 1995. Flip a coin on rain: there's nearly a 50% chance of precipitation, though snow is off the table.
Greentree doesn't mess around at the extremes—this is a place that has both baked at 108° in July 1995 and frozen to -4° in January 1994, a 112-degree spread between its all-time records. The wettest single day on record dumped 6.35 inches in September 1999, and a January 1996 snowstorm buried the area under 22 inches in one shot.
Summer is the main event here, with highs peaking around 88-90° in mid-to-late July and the wettest stretch of the year falling right at the end of that same month. Winter is cold but not brutal, with average highs hovering around 40-41° in January. If you're planning a visit, May through early June and September offer the most comfortable middle ground before the heat or the chill sets in.