Spiti Valley can be challenging to visit during the monsoon season, which lasts from July to September. The heavy rainfall can make the roads treacherous, and landslides are common in the region. However, with proper preparation and precautions, it is still possible to visit Spiti safely during the monsoon season. It is important to keep an eye on the weather forecast, stay alert for potential road closures, and travel with a knowledgeable local guide who is familiar with the area. Additionally, visitors should be prepared for potential flight cancellations or delays due to weather conditions. Overall, while the monsoon season in Spiti can present some challenges, with proper planning and preparation, it is still possible to have a safe and enjoyable trip.