Quick Answer
October to March is the only comfortable time to visit. Peak season is November-February with pleasant 15-25°C days. Avoid April-June entirely — temperatures exceed 45°C across the desert.
Winter (October–March): The Golden Season
This is when Rajasthan comes alive. October-November offers warm days (25-30°C) and cool nights. December-February is peak season with ideal temperatures (15-25°C in the day, 5-10°C at night in Jaipur). The Pushkar Camel Fair (November), Jaipur Literature Festival (January), and Desert Festival in Jaisalmer (February) all fall in this window. Book heritage hotels 2-3 months ahead for peak dates.
Summer (April–June): Avoid
Temperatures routinely hit 45-48°C in Jaisalmer, Jodhpur, and Bikaner. Even Udaipur (milder due to lakes) exceeds 40°C. Heatstroke is a real risk. Hotels offer deep discounts (50-70% off) but it's genuinely unpleasant for sightseeing. If you must visit, stick to early morning and evening outings.
Monsoon (July–September): Dramatic but Limited
The monsoon transforms Rajasthan's arid landscape — forts and palaces look spectacular against stormy skies. Udaipur's lakes fill up (they can be dry by May). Ranthambore closes for tiger safaris July-September. Rain is intermittent, not constant — expect 2-3 hours of dramatic downpours. This is actually a beautiful, crowd-free time if you're flexible.
Festival Calendar
Pushkar Camel Fair: November (dates shift with the lunar calendar). Jaipur Lit Fest: Late January. Desert Festival, Jaisalmer: February. Holi: March (incredible in Pushkar and Udaipur). Diwali: October/November — forts and palaces illuminated with oil lamps. Teej: July/August — Jaipur's monsoon festival with processions and swings.
Route Suggestion
The classic Rajasthan triangle (Jaipur → Jodhpur → Udaipur) takes 7-10 days. Add Jaisalmer for the desert and Pushkar for spirituality. Trains connect all major cities — book on IRCTC 60 days in advance for the best berths. Overnight trains save hotel nights and travel time.