Best Time to Visit Gurnee: Month-by-Month Guide
Best months for Gurnee: September, July, August, June.
- Best months for Gurnee: September, July, August, June.
- 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: May, April, June.
- The least pleasant month is January (score 3.9).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -1°C | -7°C | 58 mm | 9 | – | – | 3.9 |
| February | 1°C | -6°C | 52 mm | 7 | – | – | 4.2 |
| March | 6°C | -1°C | 65 mm | 9 | – | – | 5.1 |
| April | 12°C | 4°C | 111 mm | 12 | – | – | 5.8 |
| May | 19°C | 11°C | 106 mm | 12 | – | – | 6.8 |
| June | 25°C | 17°C | 91 mm | 12 | – | – | 7.5 |
| July | 28°C | 20°C | 83 mm | 11 | – | – | 7.6 |
| August | 27°C | 19°C | 92 mm | 11 | – | – | 7.6 |
| September | 23°C | 15°C | 75 mm | 9 | – | – | 7.9 |
| October | 16°C | 8°C | 83 mm | 9 | – | – | 6.9 |
| November | 8°C | 2°C | 66 mm | 8 | – | – | 5.8 |
| December | 2°C | -4°C | 61 mm | 9 | – | – | 4.3 |
Frequently asked questions
When is the best time to visit Gurnee?
The best months are September, July, August, June.
When is the rainy season in Gurnee?
The wettest months are May, April, June.