Best Time to Visit Naperville: Month-by-Month Guide
Best months for Naperville: September, August, July, June.
- Best months for Naperville: September, August, July, June.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: May, September, October. Good weather without the busiest period.
- Wettest months: May, April, June.
- The least pleasant month is January (score 4.0).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 0°C | -8°C | 54 mm | 8 | – | – | 4.0 |
| February | 2°C | -6°C | 50 mm | 7 | – | – | 4.5 |
| March | 9°C | -1°C | 68 mm | 10 | – | – | 5.5 |
| April | 16°C | 5°C | 112 mm | 12 | – | – | 6.3 |
| May | 22°C | 11°C | 118 mm | 13 | – | – | 7.2 |
| June | 27°C | 17°C | 109 mm | 12 | – | – | 7.4 |
| July | 29°C | 19°C | 95 mm | 11 | – | – | 7.6 |
| August | 27°C | 18°C | 92 mm | 10 | – | – | 7.7 |
| September | 24°C | 13°C | 77 mm | 9 | – | – | 7.9 |
| October | 17°C | 7°C | 80 mm | 9 | – | – | 7.1 |
| November | 9°C | 1°C | 64 mm | 8 | – | – | 5.8 |
| December | 3°C | -5°C | 55 mm | 8 | – | – | 4.4 |
Frequently asked questions
When is the best time to visit Naperville?
The best months are September, August, July, June.
When is the rainy season in Naperville?
The wettest months are May, April, June.