Lantau Island, Hong Kong, China Climate Change Severity

38
Moderate
The current climate change severity in Lantau Island is Moderate, with a 16.1% improvement in the climate score compared to last 15 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Aug. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Lantau Island Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Lantau Island temperature has changed by around -2.1%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Aug. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
1931
63.1%
cloudyCloudy
3934
-12.8%
rainyRainy
16299
-38.8%
snowySnowy
00
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Lantau Island has experienced measurable improvements in key climate parameters, contributing to the current severity score of 38 (within the Moderate severity category). This suggests improving climate conditions compared to previous years. Here’s a breakdown of the specific changes observed:

Severity Score

38/100

Moderate

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Lantau Island experienced significant changes:

Temperature change of

-0.5 °C

Variation in annual rainfall

-16.4 %

Change in average humidity

-3.8 %

PM2.5 levels surged by

+9.8 %

Heatwave changed by

-9.1 day(s)

Coldwave changed by

-6.1 day(s)

Wind speeds changed by

+2.1 km/h

These indicators show reduced climate volatility, offering a valuable window to reinforce sustainable practices and strengthen long-term climate resilience. As the severity shifts toward Moderate, it is important to maintain momentum in climate adaptation efforts.

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

Lantau Island Weather Forecast 30 Days (September - October 2025)
Lantau Island, Hong Kong, China

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 16, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/28°
Humidity Icon71%
Wind Icon25km/h
Wed. 17, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/27°
Humidity Icon72%
Wind Icon22km/h
Thu. 18, Sep.
moderate rainModerate rain
Temperature Icon33°/28°
Humidity Icon74%
Wind Icon18km/h
Fri. 19, Sep.
moderate rainModerate rain
Temperature Icon33°/27°
Humidity Icon71%
Wind Icon12km/h
Sat. 20, Sep.
moderate rainModerate rain
Temperature Icon32°/27°
Humidity Icon69%
Wind Icon16km/h
Sun. 21, Sep.
moderate rainModerate rain
Temperature Icon28°/26°
Humidity Icon76%
Wind Icon55km/h
Mon. 22, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/26°
Humidity Icon78%
Wind Icon37km/h
Tue. 23, Sep.
sunnySunny
Temperature Icon33°/27°
Humidity Icon67%
Wind Icon33km/h
Wed. 24, Sep.
heavy rainHeavy rain
Temperature Icon28°/24°
Humidity Icon80%
Wind Icon47km/h
Thu. 25, Sep.
moderate rainModerate rain
Temperature Icon29°/25°
Humidity Icon88%
Wind Icon36km/h
Fri. 26, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/26°
Humidity Icon85%
Wind Icon30km/h
Sat. 27, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/26°
Humidity Icon78%
Wind Icon24km/h
Sun. 28, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon32°/26°
Humidity Icon78%
Wind Icon20km/h
Mon. 29, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/27°
Humidity Icon77%
Wind Icon12km/h
Tue. 30, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/26°
Humidity Icon75%
Wind Icon18km/h
Wed. 1, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/25°
Humidity Icon76%
Wind Icon17km/h
Thu. 2, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/26°
Humidity Icon74%
Wind Icon17km/h
Fri. 3, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/25°
Humidity Icon74%
Wind Icon18km/h
Sat. 4, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/25°
Humidity Icon72%
Wind Icon18km/h
Sun. 5, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/25°
Humidity Icon69%
Wind Icon19km/h
Mon. 6, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/25°
Humidity Icon69%
Wind Icon19km/h
Tue. 7, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon73%
Wind Icon20km/h
Wed. 8, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon72%
Wind Icon19km/h
Thu. 9, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon29°/24°
Humidity Icon72%
Wind Icon19km/h
Fri. 10, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/24°
Humidity Icon71%
Wind Icon21km/h
Sat. 11, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/23°
Humidity Icon71%
Wind Icon18km/h
Sun. 12, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/24°
Humidity Icon71%
Wind Icon19km/h
Mon. 13, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/24°
Humidity Icon72%
Wind Icon20km/h
Tue. 14, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/24°
Humidity Icon73%
Wind Icon18km/h
Wed. 15, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/24°
Humidity Icon72%
Wind Icon19km/h
Thu. 16, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/24°
Humidity Icon72%
Wind Icon19km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 18, Sep.

32.8°C

Low will be onSat. 11, Oct.

23.4°C

HumidityHumidity

High will be onThu. 25, Sep.

88%

Low will be onTue. 23, Sep.

67%

Wind SpeedWind Speed

High will be onSun. 21, Sep.

55.4km/h

Low will be onFri. 19, Sep.

11.5km/h

PrecipitationPrecipitation

High will be onWed. 24, Sep.

39.8mm

Low will be onSun. 28, Sep.

0.2mm

Ultraviolet IndexUV

High will be onTue. 23, Sep.

7

Low will be onFri. 19, Sep.

2.2

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