Naperville, Illinois, has a humid continental climate, with warm-to-hot, humid summers and freezing winters. Explore rainy spring transitions, colorful autumn days, and practical seasonal tips for enjoying local life and preparing your home.
What is the weather like in naperville il four season climate guide– Naperville sits in a humid continental zone (Köppen Dfa), delivering pronounced seasonal shifts and a lively outdoor calendar.
Thenaperville climate guidehighlights a mean annual temperature of 10.1 °C (50.2 °F), with lows around 4.5 °C (40.1 °F) and highs near 15.5 °C (59.9 °F). Year‑round precipitation averages roughly 1,010 mm (about 40 in), while snowfall totals about 30 in each winter. Over 2,530 sunshine hours illuminate the city, especially in July.
A quicknaperville weather overviewof the four seasons:
Spring (Mar‑May): Temperatures climb from chilly March to pleasant May (averages near 21.8 °C / 71.2 °F). May brings the peak of rainfall and occasional thunderstorms.
Summer (Jun‑Aug): July highs reach roughly 85 °F (29 °C) with midsummer lows in the mid‑60s °F. High humidity and afternoon storms are common.
Fall (Sep‑Nov): Septemb...
