The best time to go to Arizpe, Sonora, Mexico, is during the dry season, which runs from October to May.
This period offers pleasant weather, with clear skies and comfortable temperatures, making it ideal for exploring the town and its surroundings. Days are typically warm and sunny, while evenings are cool, superb for outdoor activities and enjoying local cuisine without the intense heat or humidity of the summer months.
Travelers looking for comfortable conditions for hiking or sightseeing will find October through May particularly appealing.