The best time to go to Hidalgo, Tamaulipas, Mexico, is during the cooler, drier months from November to April.
During this period, you'll experience comfortable temperatures, typically ranging from the mid-60s to low 80s Fahrenheit (18-28°C), making it ideal for exploring the region's natural beauty and outdoor activities. The lower humidity also contributes to a more pleasant travel experience, especially for those looking to hike or visit archaeological sites.
This season is particularly good for travelers interested in ecotourism and outdoor adventures, as the weather is conducive to exploring the El Cielo Biosphere Reserve or enjoying the various parks and natural attractions without the intensity of the summer heat or the higher chance of rain.