India's busiest general sightseeing season is October to March, when cooler, drier weather makes many northern and central destinations more comfortable. December and January are popular with international visitors, while major festivals such as Diwali and Holi create additional domestic travel peaks that shift dates each year. Hill stations and Himalayan areas have their own summer peaks, and beach destinations can be busy over Christmas and New Year. The monsoon months from June to September are quieter in many regions, though not all destinations are equally affected.

India's main weather-related disaster season is the June to September monsoon, when intense rainfall can cause flooding, landslides and transport disruption, particularly in central, eastern and Himalayan regions. Tropical cyclones can affect coastal areas, especially the Bay of Bengal and Arabian Sea, most often before and after the monsoon. Extreme heat is a major hazard in parts of northern and central India from April to June. The safest timing depends on the region: winter is generally drier in much of the north, but local hazards remain possible year-round.

India's climate varies greatly by region, but much of the country experiences a hot pre-monsoon season, a summer monsoon and a cooler, drier winter. October to March is generally the most comfortable period for visiting the Golden Triangle and many northern cities. April to June can bring extreme heat, especially inland, while June to September brings heavy monsoon rain and high humidity. Himalayan destinations and southern coastal regions follow different patterns, so ideal travel dates depend on the itinerary. Check regional forecasts rather than relying on a single national season.