Sapa is a famous tourist destination in Vietnam but is subject to many weather fluctuations during the day. So for great trips, it’s wise to pay attention to the weather.

Sa Pa Weather Overview

Sa Pa has a cool temperate climate with two regular seasons; the weather here is cool in summer, rainy from May to October every year, cold winters, little rain lasting from November of the previous year to April of next year.

Due to the influence of complex topographic and geomorphological factors, with geographic location, Sa Pa weather has the following essential characteristics:

Sa Pa Weather

* Temperature:

The average annual temperature is 15.40 C, the average temperature is from 18 to 20 degrees C in the summer months and 10 to 12 degrees C in the winter months. The highest temperature is 33 degrees C in April, the lowest temperature in January is 0 degrees Celsius (in particular, there are years down to -3.2 degrees Celsius).

* Sunny:

The average annual total number of sunny hours in Sapa varies from 1,400 – to 1,460 hours. The number of sunny days is not even among the months; the summer has a lot of sunshine, every year from April 180 to 200 hours, the lowest sun in October, about 30-40 hours.

* Humidity:

The annual relative humidity is 85 – 90%, the lowest humidity in April is about 65% – 70%. Due to the heavy fog, the higher the mountain, the denser it is, especially in closed valleys and wetter than the other regions.

* Rainfall:

The average annual rainfall is about 2,762 mm. The highest is 3,484 mm and unevenly distributed over months; The rain also depends on the topography of each area; the higher it gets, the bigger the rain. The rainy season starts from May to October, accounting for about 80% of the annual rainfall. Rainy months have an average rainfall of 50 – 100 mm/month. Hail usually occurs in February, 3,4, and not often in years.

* Wind:

Sa Pa has two main wind directions and is distributed in two seasons: the summer with the West and Northwest winds and the North and Northeast winds. Sa Pa is less affected by the monsoon regime with complex mountainous terrain and deep in the continent. Still, mainly topographic terrain winds occur locally in each region; the average wind speed reaches 2.2 m / s, the strongest can be up to 19.7 m / s.

In addition, Sa Pa, also affected by the O Qui Ho wind (local wind), is also very hot and dry, usually occurring in February, March, and April.

* Thunderstorms:

In the summer, heavy rain leads to floods and flash floods in areas with high and steep terrain after every thunderstorm.

* Fog:

Mist often appears throughout the year, especially in winter some places have very thick levels.

Summary of Weather in Sapa

In short, with a mild and fresh climate. Sa Pa Vietnam has become the ideal resort for domestic and foreign tourists. However, the phenomenon of snow, ice, hail, fog also affects the production and daily life of the people.

Read More: Top 12 Things To Do in Sapa


Currently, I'm the founder and responsible for the content on Explore One Vietnam travel website. After many trips, I have accumulated a lot of experience in traveling to Vietnam, so I want to share these things with international tourists.

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