Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.

Health & Activity Advice

⚠ Take Precautions

UV index is 6 today — high. Apply sunscreen before heading out, and consider a hat or shade during peak hours (roughly late morning to mid-afternoon).

Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.

Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.

Nearby Regional Outlook

Hangzhou Weather Radar

Live precipitation · Cloud cover · Wind

View live radar →

Frequently Asked Questions

What is the hottest month in Hangzhou?

The hottest month in Hangzhou is typically August, with daytime highs averaging around 34°C (93°F), based on 10 years of historical weather data. Overnight lows during this period average near 26°C (79°F).

What is the coldest month in Hangzhou?

The coldest month in Hangzhou is typically January, with overnight lows averaging around 1.6°C (35°F) and daytime highs near 10°C (50°F), based on 10 years of historical weather data.

Does Hangzhou have a rainy season?

Hangzhou doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. June is the wettest month on average (about 355 mm), while December is the driest (about 49 mm).

What's the best time of year to visit Hangzhou?

The best time to visit Hangzhou is typically October, when daytime highs average a comfortable 23.3°C (74°F). Rainfall during this window averages around 57 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Is Hangzhou's air quality safe right now?

As of the latest reading, Hangzhou's air quality index (AQI) is 50, rated "Good", based on the nearest monitoring station. Air quality is considered satisfactory, with little to no health risk.

Atmospheric Details

Wind

8 km/h

N · Light Breeze · Max 15 km/h

Humidity

84 %

High · feels muggy

UV Index

High

Visibility

10 km

Excellent

Pressure

1019 hPa

Stable

Dew Point

20°C

Very humid

Today vs Normal

27°C-3° below normal

The long-term average high for today is 30°C.

Air Quality

Unhealthy for Sensitive Groups

Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.

Health & Activity Advice

⚠ Take Precautions

UV index is 6 today — high. Apply sunscreen before heading out, and consider a hat or shade during peak hours (roughly late morning to mid-afternoon).

Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.

Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.