Cary averages 45.1 days a year above 90°F, with September the wettest month at 5.72 in of normal rain. Across decades of records, Mondays are 8% rainier than the weekly average. The hottest day on record was 107°F on Jul 29, 2011; the coldest, −6°F on Jan 21, 1985. The single biggest 24-hour rain event recorded was 8.95 in on Oct 9, 2016.
Climate and Average Weather Year Round in Cary
Year-round temperature
In Cary, the warmest months are June through September, with average daily highs between 82°F and 91°F. The coldest stretch runs December through February, with highs between 52°F and 55°F and overnight lows reaching 32°F.
Rainfall through the year
Rainfall in Cary averages 4.1 in per month over the long run. September is the wettest at 5.7 in, while February is the driest at 2.9 in.
Days at 90 °F or hotter
Cary averages 45.1 days per year at 90 °F or hotter. The hottest year on record saw 89 such days (2010); the coolest just 18 (1996).
Precipitation this year
As of May 29, Cary has received 1.1 in of precipitation this year — 94% below the long-term normal for this point in the year (18.1 in).