Travelers to Sapa in summer can feel the climate of four seasons in one day. In the morning and afternoon, it is cool like the weather of spring and autumn. At noon, it is as sunny and cloudless as the weather of summer. And it is cold in the evening.
The best time travel
The best time to visit Sapa as well as the northern mountain is from mid-September to early December or from March to May, when the weather is fairly settled with dry sunny days and clear cold nights. In April and May, Sapa is blooming with flowers and green pastures.
During this period the temperature is ranging from 15 – 25 Degree Celsius, it is not a raining season in Sapa so the trekking routes are dry and bear great opportunity to do longer treks and to conquer Mount Fansipan. During the winter months, the temperature is much cooler and it is advised to bring a some warm clothing (hat, sweater, wool socks) for after you days fo trekking. Also, during the winter months there are periods of light rain, which brings in the fog. This puts Sapa in the clouds and allows for some fantastic photo opportunities.