Haikou, Hainan, China Climate Change Severity

52
High
The current climate change severity in Haikou is High, with a 5.1% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Sep. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Haikou 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), Haikou temperature has changed by around -2.7%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
2418
-25%
cloudyCloudy
3818
-52.6%
rainyRainy
197125
-36.5%
snowySnowy
00
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Haikou has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Haikou experienced significant changes:

Temperature change of

-0.7 °C

Variation in annual rainfall

+22.05 %

Change in average humidity

+0.5 %

PM2.5 levels surged by

-0.09 %

Heatwave changed by

-16.9 day(s)

Coldwave changed by

+0.5 day(s)

Wind speeds changed by

+2.4 km/h

These indicators show that Haikou is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

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

Haikou Weather Forecast 30 Days (October 2025)
Haikou, Hainan, China

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Wed. 1, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/23°
Humidity Icon84%
Wind Icon10km/h
Thu. 2, Oct.
moderate rainModerate rain
Temperature Icon30°/23°
Humidity Icon88%
Wind Icon10km/h
Fri. 3, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/24°
Humidity Icon87%
Wind Icon13km/h
Sat. 4, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/23°
Humidity Icon85%
Wind Icon11km/h
Sun. 5, Oct.
moderate rainModerate rain
Temperature Icon26°/24°
Humidity Icon90%
Wind Icon25km/h
Mon. 6, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/23°
Humidity Icon87%
Wind Icon21km/h
Tue. 7, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/24°
Humidity Icon89%
Wind Icon13km/h
Wed. 8, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/23°
Humidity Icon86%
Wind Icon13km/h
Thu. 9, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/23°
Humidity Icon88%
Wind Icon14km/h
Fri. 10, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/24°
Humidity Icon88%
Wind Icon11km/h
Sat. 11, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/23°
Humidity Icon86%
Wind Icon12km/h
Sun. 12, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/23°
Humidity Icon84%
Wind Icon10km/h
Mon. 13, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/23°
Humidity Icon87%
Wind Icon12km/h
Tue. 14, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/21°
Humidity Icon87%
Wind Icon15km/h
Wed. 15, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/21°
Humidity Icon86%
Wind Icon13km/h
Thu. 16, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/24°
Humidity Icon79%
Wind Icon27km/h
Fri. 17, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/24°
Humidity Icon79%
Wind Icon28km/h
Sat. 18, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon81%
Wind Icon30km/h
Sun. 19, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/24°
Humidity Icon81%
Wind Icon26km/h
Mon. 20, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/24°
Humidity Icon81%
Wind Icon23km/h
Wed. 22, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon78%
Wind Icon20km/h
Thu. 23, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon27°/24°
Humidity Icon77%
Wind Icon21km/h
Fri. 24, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon79%
Wind Icon21km/h
Sat. 25, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon28°/24°
Humidity Icon79%
Wind Icon23km/h
Sun. 26, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon80%
Wind Icon26km/h
Mon. 27, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon80%
Wind Icon24km/h
Tue. 28, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon80%
Wind Icon26km/h
Wed. 29, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/23°
Humidity Icon79%
Wind Icon26km/h
Thu. 30, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/24°
Humidity Icon77%
Wind Icon25km/h
Fri. 31, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/23°
Humidity Icon76%
Wind Icon25km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 1, Oct.

31.4°C

Low will be onTue. 14, Oct.

20.6°C

HumidityHumidity

High will be onSun. 5, Oct.

90%

Low will be onFri. 31, Oct.

76%

Wind SpeedWind Speed

High will be onSat. 18, Oct.

30.2km/h

Low will be onSun. 12, Oct.

9.7km/h

PrecipitationPrecipitation

High will be onSat. 18, Oct.

20.2mm

Low will be onWed. 1, Oct.

0.1mm

Ultraviolet IndexUV

High will be onWed. 8, Oct.

6

Low will be onSun. 5, Oct.

1.3

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