Newark averages 30 days a year above 90°F, with June the wettest month at 4.87 in of normal rain. The hottest day on record was 107°F on Jul 22, 2011; the coldest, 0°F on Jan 16, 2004. The single biggest 24-hour rain event recorded was 8.59 in on Sep 2, 2021.
Climate and Average Weather Year Round in Newark
Year-round temperature
In Newark, the warmest months are June through September, with average daily highs between 78°F and 87°F. The coldest stretch runs December through February, with highs between 39°F and 44°F and overnight lows reaching 25°F.
Rainfall through the year
Rainfall in Newark averages 4.2 in per month over the long run. June is the wettest at 4.9 in, while February is the driest at 3.3 in.
Days at 90 °F or hotter
Newark averages 30.0 days per year at 90 °F or hotter. The hottest year on record saw 50 such days (2010); the coolest just 7 (2026).
Precipitation this year
As of May 28, Newark has received 15.9 in of precipitation this year — 17% below the long-term normal for this point in the year (19.2 in).