The best time to visit Grimsby for a vacation rental is during the peak season from July to September, when the area is alive with summer activities and beautiful weather. July, in particular, stands out as the most popular month, offering warm temperatures in the mid-70s to low 80s Fahrenheit, superb for outdoor exploration and relaxation by the stunning shores of Lake Ontario.
During these summer months, travelers can enjoy a variety of attractions, from hiking in the scenic Niagara Escarpment to indulging in local wine tours in the nearby Niagara Peninsula. This period is ideal for those who appreciate vibrant community events and festivals, making it a fantastic option for families and groups looking to immerse themselves in the local culture.
If you're seeking a more budget-friendly option, consider visiting in November. While this is part of the low season, the cooler temperatures (typically in the 40s and 50s Fahrenheit) allow for a quieter experience. November offers a unique charm, as the fall foliage gives way to a peaceful ambiance, superb for cozying up in a rental and enjoying the local cuisine without the summer crowds.
Ultimately, your choice depends on whether you prefer the lively summer atmosphere packed with activities or the tranquil beauty of the shoulder season.