Historical weather data, all-time temperature records, and monthly climate averages for Norcross, GA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Norcross typically lands right in that sweet spot of spring — average highs of 70° and lows around 47°. But the date has some range: it hit 86° as recently as 2025, and once dropped to 31° back in 1962. There's nearly a coin-flip chance of rain today (43%), though snow is off the table entirely.
Norcross has seen it all over 77 years of records — from a brutal 102° in July 1952 to a bone-chilling -4° in January 1963, a swing of 106 degrees. The wettest single day dumped 4.45 inches in October 1962, and the snowiest dropped 4 inches in February 1952. This is classic Georgia: occasionally extreme, always capable of surprises.
Norcross is firmly in the humid South, with highs climbing from the low 50s in January to a peak of 90° during the last week of July. If you're avoiding heat, aim for late fall or early spring — December highs hover around 49–53°. Summer is also the wet season, with mid-July averaging the most precipitation at 1.36 inches per week.