The best time to visit Alton for a holiday rental is during the peak season, which runs from July to September. This period is particularly vibrant, attracting families and outdoor enthusiasts eager to explore the beautiful Mississippi River and partake in various local festivals. July stands out as the most popular month, where visitors can enjoy warm temperatures typically ranging from 15 to 30 degrees Celsius, making it ideal for sightseeing and outdoor activities.
During these summer months, Alton comes alive with events such as the Great River Road and Alton's historic sites, offering plenty of opportunities for relaxation and adventure. The riverfront parks are superb spots for picnics, while the nearby hiking trails provide a chance to immerse yourself in the stunning natural surroundings.
If you're looking for a more budget-friendly option, consider visiting in November. This month offers a quieter atmosphere, allowing for a more intimate exploration of Alton's charming downtown, boutique shops, and historic architecture without the hustle and bustle of peak tourist traffic.
Ultimately, your choice of when to visit Alton will depend on whether you prefer the lively summer energy filled with activities or the peaceful, reflective beauty of late autumn.