Weather in Naperville in December
Naperville, United States averages a high of 2.4°C (36.3°F) and low of -4.7°C (23.5°F) in December, with 8 rain days and 5.2 hours of daily sunshine. Travel score: 44.6/100 (Mixed). The best time to visit Naperville is September.
High
2°C36°F
Low
-5°C24°F
🌧️
8
rain days
☀️
5.2
hrs/day sunshine
💧
75%
humidity
45— Mixed
December in Naperville is cold and occasionally wet — bring heavy winter clothing.
What are the average temperatures in Naperville?
How much does it rain in Naperville in December?
Naperville receives an average of 55.2mm of rainfall across 8 rainy days in December. The annual total is 962.5mm.
What should I pack for Naperville in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 2°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -5°C
🧣
Warm scarf
Protect against cold winds
Traveling to United States in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31