Historical weather data, all-time temperature records, and monthly climate averages for Cornelius, NC. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Cornelius typically lands in that sweet spot of spring, with an average high of 72° and low of 45°. But the date has real range in its history — a scorching 91° back in 1934 and a brutal 26° low in 1943. There's a 1-in-3 chance of rain today, so keep an umbrella handy.
Cornelius has seen some true extremes over 135 years of record-keeping — from a punishing 107° in August 1983 to a bone-chilling -5° in January 1985, a swing of 112 degrees. The wettest single day on record dropped 8.8 inches in August 2008, and a February 2004 storm buried the area under 11 inches of snow.
Summers here are hot and humid, with average highs hitting 90-91° in mid-to-late July and the wettest stretch of the year arriving right on their heels. If you're looking for the most comfortable weather, aim for April, May, or October, when highs sit in the low-to-mid 70s. Winters are mild but not toothless — January averages just 51° and occasional cold snaps can bite hard.