The best time to visit Patnitop depends on your preference and interest. If you want to enjoy the snowfall and skiing, then winter (December to February) is the best time. If you want to enjoy the greenery and flowers, then spring (March to May) is the best time. If you want to enjoy the pleasant weather and festivals, then autumn (September to November) is the best time. However, you can avoid the monsoon (June to August) as it may cause landslides and roadblocks.