April 9 is generally a great time to visit Hangzhou. While there is a slight chance of rain (28%), showers are usually brief. Expect comfortable 22°C weather. Hangzhou is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Hangzhou
Currency
CNY
¥ Chinese yuan
Language
Chinese
Driving
Right side
Safety
Moderate Safety
GPI: 2.01
Hangzhou Weather Forecast for April 9
"Mild & Comfortable. Expect average highs of 21.5°C. 28% chance of rain."
What to Wear in Hangzhou in April
Based on historical data for April 9, Hangzhou typically experiences temperatures between 11°C and 21.5°C. We recommend packing light jacket, long pants to stay comfortable. With a 28% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Hangzhou
Smart Suitcase
- Light Jacket
- Long Pants
Average High
21.5°C
Daytime Peak
Average Low
11°C
Nighttime Low
Feels Like
21.7°C
☀️ Feels accurate
Rain Chance
28%
Avg 2.7mm if it rains
Cloud Cover
67%
Overcast
Pressure
1016.2 hPa
Medium volatility
Hangzhou Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 20 min to burn
Type III-IV
🟡 30 min to burn
Type V-VI
🟢 50 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16.4°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
Busy
73/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~340
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Hangzhou
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:40
☀️ Noon
12:02
🌇 Sunset
18:23
⏱️ Daylight
12h 42m
Wind Speed
14 km/h
Gentle breeze
Sunshine
7.7 hrs
Direct Sun (Cloud-free)
Humidity
73%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Hangzhou
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 Hangzhou
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
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
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Hangzhou on April 9 averages 21.5°C with a 28% precipitation probability. Wedding/Outdoor Event Score: 95/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Hangzhou Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
April 6
20.4°C • 26% rain
Score
96
April 7
20.8°C • 27% rain
Score
96
April 8
21.2°C • 27% rain
Score
96
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (April 9) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Hangzhou Worth Visiting on April 9?
Planning a trip to Hangzhou on April 9? 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 21.5°C with a 28% historical precipitation risk.
✈️ Travel Logistics: Approximately 340 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 10 vaccinations are recommended for China, including COVID-19.
📊 Historical Extremes: The hottest April 9 recorded in the last 30 years saw temperatures hit 31.5°C in 2025, while the coldest dropped to 7.3°C in 2023.