Hong Kong Island, Hong Kong, China Climate Change Severity

43
High
The current climate change severity in Hong Kong Island is High, with a 0.1% improvement in the climate score compared to last 16 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Jul. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Hong Kong Island Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Hong Kong Island temperature has changed by around +0.7%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
1734
100%
cloudyCloudy
3827
-28.9%
rainyRainy
133127
-4.5%
snowySnowy
00
0%
mistyMisty
00
0%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 16 years, Hong Kong Island has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Hong Kong Island experienced significant changes:

Temperature change of

+0.16 °C

Variation in annual rainfall

+4.31 %

Change in average humidity

+0.28 %

PM2.5 levels surged by

+7.54 %

Heatwave changed by

-8 Days

Coldwave changed by

-2 Days

Wind speeds changed by

+4.16 km/h

These indicators show improvement in key parametes of climate, but Hong Kong Island remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

Check how we calculate Climate Change Severity
Based on data from Jan. to Jul.

Hong Kong Island Weather Forecast 30 Days (August - September 2026)
Hong Kong Island, Hong Kong, China

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Mon. 17, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/21°
Humidity Icon75%
Wind Icon19.1km/h
Tue. 18, Aug.
sunnySunny
Temperature Icon23°/20°
Humidity Icon67%
Wind Icon17.6km/h
Wed. 19, Aug.
overcastOvercast
Temperature Icon23°/20°
Humidity Icon70%
Wind Icon24.1km/h
Thu. 20, Aug.
light rain showerRain Shower
Temperature Icon21°/18°
Humidity Icon83%
Wind Icon27km/h
Fri. 21, Aug.
sunnySunny
Temperature Icon25°/20°
Humidity Icon68%
Wind Icon25.9km/h
Sat. 22, Aug.
sunnySunny
Temperature Icon25°/21°
Humidity Icon64%
Wind Icon27.7km/h
Sun. 23, Aug.
sunnySunny
Temperature Icon24°/20°
Humidity Icon66%
Wind Icon37.1km/h
Mon. 24, Aug.
sunnySunny
Temperature Icon23°/19°
Humidity Icon67%
Wind Icon39.2km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/27°
Humidity Icon78%
Wind Icon17.5km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/27°
Humidity Icon77%
Wind Icon16.5km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/27°
Humidity Icon78%
Wind Icon18km/h
Fri. 28, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/27°
Humidity Icon78%
Wind Icon17.3km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/27°
Humidity Icon77%
Wind Icon15.9km/h
Sun. 30, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon31°/27°
Humidity Icon77%
Wind Icon15.6km/h
Mon. 31, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon77%
Wind Icon15.1km/h
Tue. 1, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon78%
Wind Icon20km/h
Wed. 2, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon78%
Wind Icon18.2km/h
Thu. 3, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon77%
Wind Icon16.6km/h
Fri. 4, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon77%
Wind Icon16.8km/h
Sat. 5, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon77%
Wind Icon17.6km/h
Sun. 6, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon78%
Wind Icon16.8km/h
Mon. 7, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon79%
Wind Icon18.8km/h
Tue. 8, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon80%
Wind Icon17.1km/h
Wed. 9, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon78%
Wind Icon16.1km/h
Thu. 10, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon78%
Wind Icon15.6km/h
Fri. 11, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon77%
Wind Icon15.8km/h
Sat. 12, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon31°/27°
Humidity Icon77%
Wind Icon16.3km/h
Sun. 13, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon77%
Wind Icon15.6km/h
Mon. 14, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon76%
Wind Icon18.1km/h
Tue. 15, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon31°/27°
Humidity Icon75%
Wind Icon20.7km/h
Wed. 16, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon30°/27°
Humidity Icon77%
Wind Icon23.5km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 25, Aug.

31°C

Low will be onThu. 20, Aug.

18°C

HumidityHumidity

High will be onThu. 20, Aug.

83%

Low will be onSat. 22, Aug.

64%

Wind SpeedWind Speed

High will be onMon. 24, Aug.

39.2km/h

Low will be onMon. 31, Aug.

15.1km/h

PrecipitationPrecipitation

High will be onWed. 16, Sep.

21.4mm

Low will be onTue. 18, Aug.

0.01mm

Ultraviolet IndexUV

High will be onWed. 19, Aug.

11.9

Low will be onSat. 22, Aug.

6

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