October 21 is generally a great time to visit Chengdu. While there is a slight chance of rain (21%), showers are usually brief. Expect comfortable 21°C weather. As it's peak season for Chengdu, we recommend booking your stay well in advance to secure the best rates.
View the full calendar
Essential Travel Info for Chengdu
Currency
CNY
¥ Chinese yuan
Language
Chinese
Driving
Right side
Connect
China's country code is86. Chengdu's ar...
Safety
Moderate Safety
GPI: 2.01
Chengdu Weather Forecast for October 21
"Mild & Comfortable. Expect average highs of 20.5°C. 21% chance of rain."
What to Wear in Chengdu in October
Based on historical data for October 21, Chengdu typically experiences temperatures between 14.6°C and 20.5°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (21% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Chengdu
Smart Suitcase
- Light Jacket
- Long Pants
Average High
20.5°C
Daytime Peak
Average Low
14.6°C
Nighttime Low
Feels Like
20.6°C
☀️ Feels accurate
Rain Chance
21%
Avg 1.2mm if it rains
Cloud Cover
81%
Light drizzle
Pressure
1019.5 hPa
Medium volatility
Chengdu Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 67 min to burn
Type III-IV
🟡 101 min to burn
Type V-VI
🟢 168 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16.7°C
Noticeable
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in China
Flight Traffic
High
85/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~281
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Chengdu
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:10
☀️ Noon
12:49
🌇 Sunset
18:28
⏱️ Daylight
11h 17m
Wind Speed
9.2 km/h
Light breeze
Sunshine
4.8 hrs
Direct Sun (Cloud-free)
Humidity
79%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Chengdu
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Chengdu
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Unhealthy. Everyone should reduce outdoor activities.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Chengdu on October 21 averages 20.5°C with a 21% precipitation probability. Wedding/Outdoor Event Score: 93/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Chengdu Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
October 15
21.2°C • 16% rain
Score
95
October 27
19.5°C • 17% rain
Score
95
October 14
21.1°C • 17% rain
Score
94
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Chengdu Worth Visiting on October 21?
Planning a trip to Chengdu on October 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 20.5°C with a 21% historical precipitation risk.
✈️ Travel Logistics: Approximately 281 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 10 vaccinations are recommended for China, including COVID-19.
📊 Historical Extremes: The hottest October 21 recorded in the last 30 years saw temperatures hit 26°C in 2022, while the coldest dropped to 11°C in 2020.