The best time to visit Sapa is from September to mid-December, and March to May when the weather is just right and the rainy season has passed. During this time you would have a comparatively milder climate along with a pleasant atmosphere. Average temperatures during September to December range from 15-25℃. The months of December, January and February are the coldest, with temperatures often falling below to 0℃. The town’s tropical climate is at the peak in the months of June-August, as monsoon arrives, The monsoon brings with it increased humidity, but decreased sunshine and heat. The average temperature during the monsoon months hovers between 20-25℃ in the day and around 15℃ at night. Sapa sees all four seasons in a year and provides for something for every kind of season-lover. There isn't really an offseason in Sapa, owing mainly to its highly seasonal climate, with a subtropical climate in the summers and a temperate climate in the winters. Since it experiences all four seasons, Sapa is an attractive destination for all kinds of travellers.
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Things to do in Sapa in Winter
While the falling snow on terraced mountains is a picturesque sight in itself, hiking and trekking in these months are dangerous and best if avoided. Visibility lessens considerably, and although people do the trek to Fansipan, it is best to wait for a clearer day. December is the onset of winters, and the chill doesn’t yet entirely set in the town. With much clearer and sunny days, December sees a flock of tourists visit Sapa to enjoy the winters and snowfall. As a result, Sapa is increasingly becoming a sought after Christmas and New Year destination, and restaurants and pubs considerably cash in on the festivities. Because January and February can be harsh, it is advisable to look for sturdier and well-furnished homestays and guest houses, that have a good heating arrangement. However, these can be pricey, so one must plan ahead.
Weather in Sapa
Spring season is yet another pleasant and booming time to visit Sapa. As winter sheds and the town starts to take on some colour, the mean temperature also starts to warm up and become more pleasant. The average temperature of this season is around 20℃, with the highest daytime temperature being 23℃ and lowest 10℃. However, these months do have some rainy days, because of Vietnam’s predominantly subtropical climate, but it isn't’ as intense and enduring as those during the monsoon. The average precipitation in this season is about 165 mm, with the months progressively becoming more humid.
Things to do in Sapa in Spring
The sunny and dry weather during the day and crisp and cold weather at night make this season perfect for hiking and trekking along Sapa’s terrace mountains. Around this time, the landscape looks even lusher and greener than the rest of the year. To be sure, Sapa in spring is a photographer's paradise. This is also a quieter time in Sapa, and solo walking and hiking trips can be very fruitful. The local tribes also set up shop in the central markets, which are accessible and colourful all year round, but more so in the spring. The market tour brings with it sapa’s tropical fruits and flowers, like plums, peaches, apricots etc. As the cherry blossom blooms, which in itself is a magnificent sight, and days become warmer and more pleasant, accommodations are more accessible and cheaper, as are tourist guides that flock the place.