The best time to book a flight to Dehradun with IndiGo is on the same day as departure. On average, fares are higher if you book 63 days before departure.
For Economy class flights, the cheapest month to fly this route is August. The most expensive months are May and September.
In terms of precipitation, rainfall in Dehradun ranges from 9.0 - 728.0 inches per month. August is typically the wettest month, when rainfall can reach 728.0 mm. November is typically the driest time to visit Dehradun when rainfall is around 9.0 mm.
If weather is an important factor for your trip to Dehradun, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 13.0 C).
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