The best time to go to Lhasa is typically from April to October, with May, June, September, and October offering the most pleasant weather conditions.During these months, the weather is generally mild and sunny, making it ideal for exploring the city's high-altitude attractions. The daytime temperatures are comfortable, and there's less chance of rain compared to the peak monsoon season in July and August. This period also coincides with many important religious festivals, which can be a deeply enriching experience for visitors.For those looking for a quieter experience and fewer crowds, April and October are particularly good. The air is clear, offering excellent visibility for photography, and the cooler temperatures are still very agreeable for walking around and visiting monasteries.