Lhasa, the highest citie in the world,has a highland temperate semi-arid monsoon climate. Located at an altitude of 3658 meters and at the bottom of a small basin surrounded by mountains and rivers, Lhasa has a mild climate, without extremely cold winter and severely hot summer. Therefore, throughout the year for Lhasa are quite suitable for travelling. Travelers can travel to Lhasa by train and by air.

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Climate Data Table for Lhasa

Month Item	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average high (℃)	7.2	9.3	12.7	15.9	19.9	23.2	22.6	21.4	19.9	17.0	12.1	8.0
Average low (℃)	−9.0	−5.8	−2.1	1.5	5.6	9.8	10.4	9.7	7.7	2.0	−4.2	−8.2
Rainfall (mm)	0.8	1.2	2.9	6.1	27.7	71.2	116.6	120.6	68.3	8.8	1.3	1.0

In Spring (Mar - May)
Spring in Lhasa is lack of boisterous atmosphere, of course, if you can catch the Saga Dawa Festival at end of May to early June is another matter. At that time almost all of the people in Lhasa are gathered to 3 circumambulation road. Generally speaking, the May Day is the beginning of the travel season, but at that time due to the snow mountain, you may not go to the famous "heavenly lake" Namtso Lake. Spring is mutual exchange of time of windy season and the rainy season in Lhasa, when is the most suitable time for mountaineering, and there are peak in local for exploration for beginner, so it is a pity that do not have a try.

Summer in Lhasa is warm and humid; summer is the best season for travel. This time is also the time that Lhasa nature is the most enjoyable of the year, the whole city is lush, but in winter is bleak which forms a bright contrast. There’s a saying that in Lhasa in the summer the oxygen concentration can reach almost twice as much as winter.

Travel tips: Compared with the spring, summer in Tibet has the characteristics of more rains while the spring season is windy and of course, most of rains happen at night. So the clothing, on the one hand, people need to prevent from sunburns; on the other hand, people should guard against the rain. When the sun is out, if you wear less, you will be tanned and sunburned; during rainy days, when the sun disappears, if you wear less you will feel cold. So it is suggested that wearing mauntaineering jacket (rain-proof), sports pants and trousers. But if going to the Mount Everest, and Namtso, accommodation condition is more humble. And because in the morning the temperature is low, people who are afraid he or she will catch a cold, suggest taking a thick sweater. 

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In Autumn (Sep to Oct)
A lot of people think that autumn is the most beautiful season in Lhasa, the scenery just on the way to Lhasa airport is amazing. Although this time is the rainy season, but most of time it rains at night and it has been clear up when people wake up early in the morning, so it does not affect the schedule. On July 1 in Tibetan calendar (August in Gregorian calendar) is Tibetan Shoton Festival in Lhasa, at that time people can not only appreciate the Tibetan opera performance, but also have the opportunity to visit Drepung showing Buddha painting and see the brilliant spectacular scene.
Travel Tips: This time travel to Tibet can be said to be the best time to travel, one is the season in July and August are often traditional Tibetan festival Shoton Festival; second the rainy season will pass (July and August is the well-known rainy season in Tibet, and at the end of August and early September rainy season gradually pass), and this time is a brilliant autumn, the weather is not cold nor hot. So just like wearing as in summer, and climate and weather is more comfortable than in summer. What need reminds is, at this time, must take long johns known as knitted trousers.

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In Winter (Nov - Feb)
Temperature gap in Lhasa between day and night in winter is large. Though under strong sunlight it is warmer during the day, at night while the temperature is low, the house do not have to make a fire or heating and it is barely acceptable. Even if traveling Tibet in the winter is a very pleasant thing. In addition to enjoy hot spring and overlook snow mountain, people still have a chance to see the beauty of enveloping snow.

Tarvel Tips: The winter in Tibet is a little warmer than the north mainland of China, but many colder than southern China. In here you need to put on down jacket, indoors can wear sweaters. If one day the weather is very good, sweater and coat is enough.

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However, despite the amount of sunlight in Tibet, there is a significant daily difference in temperature; so it is chilly at night even if the day is sunny. Most hotels in Tibet have no central heating, so bringing Winter clothes would be wise.  Even if it is a T-shirt and jeans day, it is recommended that you carry an overcoat as the temperature can fall suddenly. Sunhats, sunglasses and sunscreen lotion are necessities. To avoid sun-burn in this high-altitude area, it is suggested that you wear sunglasses, sunscreen lotion and lip balm or chap-stick as the wind can be cold and dry.