The best time to visit Tehri Garhwal largely depends on the type of experience you're seeking:

1. Summer (March to June)

• Weather: Pleasant and warm with temperatures ranging from 15°C to 35°C.
• Activities: Ideal for exploring the outdoors, enjoying sightseeing, and engaging in adventure activities such as trekking and boating on Tehri Lake.

2. Monsoon (July to September)

• Weather: Heavy rainfall and occasional landslides can make travel difficult.
• Activities: Not the best time for travel due to potential disruptions, but the region's lush green landscapes can be particularly beautiful during this period if you are prepared for the weather conditions.

3. Autumn (October to November)

• Weather: Clear skies and pleasant temperatures ranging from 10°C to 30°C.
• Activities: Excellent for trekking, sightseeing, and enjoying outdoor activities. The clear weather provides stunning views of the Himalayas.

4. Winter (December to February)

• Weather: Cold, with temperatures ranging from 0°C to 15°C, and occasional snowfall in higher altitudes.
• Activities: Ideal for those who enjoy winter scenery and want to experience snowfall. However, be prepared for cold temperatures and possible road disruptions due to snow.

Overall, autumn (October to November) and summer (March to June) are generally considered the best times to visit Tehri Garhwal for favorable weather and optimal travel conditions.