Best Time to Visit Waukegan: Month-by-Month Guide
Best months for Waukegan: September, July, June, August.
- Best months for Waukegan: September, July, June, August.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: September. Good weather without the busiest period.
- Wettest months: April, May, June.
- The least pleasant month is January (score 3.8).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -1°C | -6°C | 75 mm | 10 | – | – | 3.8 |
| February | 0°C | -6°C | 62 mm | 8 | – | – | 4.1 |
| March | 3°C | -2°C | 74 mm | 10 | – | – | 4.6 |
| April | 8°C | 4°C | 120 mm | 12 | – | – | 5.1 |
| May | 15°C | 10°C | 106 mm | 12 | – | – | 6.3 |
| June | 22°C | 18°C | 89 mm | 11 | – | – | 7.6 |
| July | 26°C | 21°C | 78 mm | 10 | – | – | 7.7 |
| August | 26°C | 21°C | 96 mm | 10 | – | – | 7.6 |
| September | 22°C | 17°C | 83 mm | 10 | – | – | 7.8 |
| October | 15°C | 11°C | 101 mm | 10 | – | – | 6.5 |
| November | 8°C | 4°C | 87 mm | 10 | – | – | 5.5 |
| December | 3°C | -2°C | 78 mm | 10 | – | – | 4.3 |
Frequently asked questions
When is the best time to visit Waukegan?
The best months are September, July, June, August.
When is the rainy season in Waukegan?
The wettest months are April, May, June.