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

⚠ Limit Outdoor Time

UV index is 8 today — very high. Limit sun exposure around midday, apply SPF 30+ every two hours, and seek shade when possible.

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.

High humidity (84%) combined with the heat means it will feel more uncomfortable than the air temperature alone suggests — stay hydrated if you're active outside.

Nearby Regional Outlook

Hong Kong Weather Radar

Live precipitation · Cloud cover · Wind

View live radar →

Frequently Asked Questions

What is the hottest month in Hong Kong?

The hottest month in Hong Kong is typically July, with daytime highs averaging around 30.4°C (87°F), based on 10 years of historical weather data. Overnight lows during this period average near 26.8°C (80°F).

What is the coldest month in Hong Kong?

The coldest month in Hong Kong is typically January, with overnight lows averaging around 13.7°C (57°F) and daytime highs near 19.2°C (67°F), based on 10 years of historical weather data.

Does Hong Kong have a rainy season?

Hong Kong doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. August is the wettest month on average (about 411 mm), while December is the driest (about 19 mm).

What's the best time of year to visit Hong Kong?

The best time to visit Hong Kong is typically November to February, when daytime highs average a comfortable 21.2°C (70°F). Rainfall during this window averages around 48 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Is Hong Kong's air quality safe right now?

As of the latest reading, Hong Kong's air quality index (AQI) is 72, rated "Moderate", based on the nearest monitoring station. Air quality is acceptable, though unusually sensitive individuals may notice minor effects.

Atmospheric Details

Wind

10 km/h

NE · Light Breeze · Max 17 km/h

Humidity

84 %

High · feels muggy

UV Index

Very High

Visibility

16 km

Excellent

Pressure

1013 hPa

Stable

Dew Point

24°C

Very humid

Today vs Normal

32°C+2° above normal

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

19 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running above normal.

Red = above normal, blue = at or below · last 12 days

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

⚠ Limit Outdoor Time

UV index is 8 today — very high. Limit sun exposure around midday, apply SPF 30+ every two hours, and seek shade when possible.

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.

High humidity (84%) combined with the heat means it will feel more uncomfortable than the air temperature alone suggests — stay hydrated if you're active outside.