Colombo, Western, Sri Lanka Climate Change Severity

52
High
The current climate change severity in Colombo is High, with a 19.02% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Jun. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Colombo 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), Colombo temperature has changed by around -2.01%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
1713
-23.5%
cloudyCloudy
1713
-23.5%
rainyRainy
172125
-27.3%
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, Colombo 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 2026, Colombo experienced significant changes:

Temperature change of

-0.55 °C

Variation in annual rainfall

+37.08 %

Change in average humidity

+1.05 %

PM2.5 levels surged by

-2.84 %

Heatwave changed by

-5 Days

Coldwave changed by

+5 Days

Wind speeds changed by

+3.86 km/h

These indicators show that Colombo 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 Jun.

Colombo Weather Forecast 30 Days (August 2026)
Colombo, Western, Sri Lanka

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sat. 1, Aug.
light rain showerRain Shower
Temperature Icon27°/25°
Humidity Icon84%
Wind Icon34.2km/h
Sun. 2, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/26°
Humidity Icon81%
Wind Icon30.6km/h
Mon. 3, Aug.
light rain showerRain Shower
Temperature Icon27°/25°
Humidity Icon83%
Wind Icon28.1km/h
Tue. 4, Aug.
light rain showerRain Shower
Temperature Icon26°/25°
Humidity Icon81%
Wind Icon20.9km/h
Wed. 5, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/26°
Humidity Icon81%
Wind Icon26.6km/h
Thu. 6, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/26°
Humidity Icon82%
Wind Icon25.9km/h
Fri. 7, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/27°
Humidity Icon82%
Wind Icon27km/h
Sat. 8, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/26°
Humidity Icon83%
Wind Icon29.2km/h
Sun. 9, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/26°
Humidity Icon83%
Wind Icon27km/h
Mon. 10, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon83%
Wind Icon18.6km/h
Tue. 11, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon83%
Wind Icon19.9km/h
Wed. 12, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon83%
Wind Icon20km/h
Thu. 13, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon83%
Wind Icon19.2km/h
Fri. 14, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon83%
Wind Icon19.6km/h
Sat. 15, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/26°
Humidity Icon82%
Wind Icon19km/h
Sun. 16, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/26°
Humidity Icon82%
Wind Icon19.3km/h
Mon. 17, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon83%
Wind Icon19.4km/h
Tue. 18, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon83%
Wind Icon19km/h
Wed. 19, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon82%
Wind Icon19.1km/h
Thu. 20, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/26°
Humidity Icon82%
Wind Icon18.3km/h
Fri. 21, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon82%
Wind Icon18.9km/h
Sat. 22, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon82%
Wind Icon19.2km/h
Sun. 23, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon82%
Wind Icon18.8km/h
Mon. 24, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon82%
Wind Icon18.7km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon82%
Wind Icon18.6km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon82%
Wind Icon19.6km/h
Thu. 27, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon83%
Wind Icon19.8km/h
Fri. 28, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon83%
Wind Icon19.9km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon83%
Wind Icon20.1km/h
Sun. 30, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon83%
Wind Icon17.8km/h
Mon. 31, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon29°/25°
Humidity Icon83%
Wind Icon18.1km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 10, Aug.

29°C

Low will be onSat. 1, Aug.

25°C

HumidityHumidity

High will be onSat. 1, Aug.

84%

Low will be onSun. 2, Aug.

81%

Wind SpeedWind Speed

High will be onSat. 1, Aug.

34.2km/h

Low will be onSun. 30, Aug.

17.8km/h

PrecipitationPrecipitation

High will be onMon. 3, Aug.

17.8mm

Low will be onWed. 19, Aug.

4.9mm

Ultraviolet IndexUV

High will be onTue. 4, Aug.

8.5

Low will be onSat. 1, Aug.

1.1

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