Historical weather data, all-time temperature records, and monthly climate averages for Millville, NJ. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Millville sits squarely in that unpredictable spring transition zone — the average high is 59° with a low of 38°, but this date has swung anywhere from a balmy 78° (as recently as 2023) down to a brutal 23° in 2016. There's about a 1-in-3 chance of rain, though snow is nearly off the table at just 2%.
Millville's weather has real range — 83 years of data capture everything from a scorching 103° on July 6, 2010 to a bone-chilling -10° on January 22, 1961, a swing of 113 degrees. The wettest single day on record dumped 9.06 inches on August 20, 1997, and a January 1996 storm buried the area under 14.8 inches of snow.
Summer is the main event here, with average highs peaking around 88° the third week of July and staying in the mid-80s through August. Winter is cold but not severe — the coolest stretch runs early January with highs only reaching 41°. If you're watching for rain, late summer is the wet season, with August averaging the most precipitation week over week.