Best Time to Visit Joliet: Month-by-Month Guide
Best months for Joliet: September, August, July, June.
- Best months for Joliet: 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 3.9).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 0°C | -7°C | 57 mm | 9 | – | – | 3.9 |
| February | 3°C | -5°C | 51 mm | 7 | – | – | 4.5 |
| March | 9°C | 0°C | 72 mm | 10 | – | – | 5.5 |
| April | 16°C | 5°C | 111 mm | 13 | – | – | 6.3 |
| May | 22°C | 12°C | 117 mm | 13 | – | – | 7.2 |
| June | 27°C | 17°C | 110 mm | 12 | – | – | 7.4 |
| July | 29°C | 19°C | 96 mm | 11 | – | – | 7.5 |
| August | 28°C | 18°C | 93 mm | 10 | – | – | 7.7 |
| September | 24°C | 14°C | 75 mm | 8 | – | – | 8.0 |
| October | 18°C | 7°C | 81 mm | 9 | – | – | 7.1 |
| November | 10°C | 1°C | 69 mm | 8 | – | – | 5.9 |
| December | 3°C | -4°C | 57 mm | 9 | – | – | 4.5 |
Frequently asked questions
When is the best time to visit Joliet?
The best months are September, August, July, June.
When is the rainy season in Joliet?
The wettest months are May, April, June.