- Climate Type
- Subtropical highland
Updated July 2026 · Sources cited: climatestotravel.com, topasecolodge.com
Good to know
Good to Know
- Weather changes dramatically within a single day—mornings may be clear and sunny while afternoons bring mist or sudden rain.
- Fog is a constant feature with approximately 137 foggy days annually, creating Sapa's signature ethereal landscapes.
- September and October are widely considered the best months, combining stable weather with golden rice harvest scenery and excellent visibility.
- If seeking snow, timing is critical—snowfall is not guaranteed and typically lasts only 1-3 days. Late December to early February offers highest probability, particularly at Fansipan peak above 1,800 meters.
- July is the rainiest and generally worst month for trekking due to frequent heavy downpours, landslide risk, and reduced visibility.
- The 4-season experience means you may experience multiple seasons in a single day—dress in flexible layers.
- Humidity remains consistently high (75-91%) throughout the year.
Autumn
- Character
- Stable weather, golden rice harvest (late August-September), crisp air. Most beautiful season.
- Ideal For
- Trekking, photography, clear visibility
Months
- September
- October
- November
Spring
- Character
- Blooming flowers, vibrant colors, lush landscapes. Mild temperatures becoming warmer.
- Ideal For
- Trekking, photography, cultural experiences
Months
- February
- March
- April
- May
Summer
- Caution
- Flash floods, landslides, mudslides possible
- Character
- Rainy monsoon season with cooler temperatures than rest of Vietnam. Rice fields fill with water.
- Ideal For
- Those seeking refuge from tropical heat
Months
- June
- July
- August
Winter
- Character
- Cold, misty, humid. Occasional snowfall at elevation. European-like experience in Vietnam.
- Ideal For
- Snow enthusiasts, unique winter landscapes
Months
- December
- January
- February
Humidity
- Range Percent
- 75-91%
- Annual Average Percent
- 87
- Elevation
- 1,500 meters above sea level
- Climate Type
- Subtropical highland with four distinct seasons
- Annual Rainfall Mm
- 2763
- Annual Avg Temp Celsius
- 15.4
- Annual Avg Temp Fahrenheit
- 60
Snowfall
- Frequency
- 10-15 days annually on average
- Occurs Yes
- Yes
- Peak Probability
- Late December to early February
- Unpredictability
- Climate change increasing irregularity—some years no snow, others snow in November or March
- Elevation Dependency
- Primary snowfall above 1,800 meters. Fansipan peak (3,143m) most reliable location.
- Typical Duration Days
- 1-3 days per occurrence
- Note On Type
- Usually light frost or thin snow that melts quickly; not heavy persistent snow
Primary Months
- December
- January
- February
Peak Season
- Characteristics
- Clear skies, stable weather, moderate temperatures. September-October feature golden rice harvest. March-April show blooming flowers and lush green rice paddies.
- Rainfall Low Risk
- Yes
Best Months
- September
- October
- November
- March
- April
Temperature Range Celsius
- Low
- 10
- High
- 25
Temperature Range Fahrenheit
- Low
- 50
- High
- 77
Fog And Mist
- Characteristic
- Mists and fogs form frequently year-round; signature feature of landscape
- Foggy Days Annual
- 137
Off Peak Season
- Rainfall High
- Yes
- Characteristics
- Heavy monsoon rains, frequent cloudcover, flash flood risk, landslides. July is rainiest month with approximately 350mm precipitation.
Worst Months
- June
- July
- August
Temperature Range Celsius
- Low
- 18
- High
- 24
Temperature Range Fahrenheit
- Low
- 64
- High
- 75
Winter Cold Season
- Frost
- Frequent in mornings
- Snowfall Frequency
- 10-15 snow days per year typically, concentrated in these months
- Average Temperature Celsius
- 3-7°C (37–45°F)
- Average Temperature Fahrenheit
- 3-7°C (37–45°F)
Months
- December
- January
- February
Temperature Range Celsius
- Low
- 0
- High
- 10
Temperature Range Fahrenheit
- Low
- 32
- High
- 50
AI-generated estimateData refreshed July 2026
Sources cited for this category
These are the sources cited in this climate & weather research for this city. Individual figures may not each trace to one of them.
More About Sapa
Data last updated July 2026 · Verify anything important.