VanSky

Sri Lanka Western Province Dehiwala-Mount Lavinia

Dehiwala-Mount Lavinia — VanSky 34 (Challenging)

City · Western Province, Sri Lanka

26° Rain

VanSky

Challenging

Comfortable days: 0 of 7

Feels like

32°C

Wind

11 km/h

Precip

Humidity

91%

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05:57 / 17:55

VanSky index for Dehiwala-Mount Lavinia, Sri Lanka — 34 out of 100 (Challenging). Decide in seconds: temperature, precipitation, wind and solar output. Data refreshed several times a day from real weather observations.

The main score is weekly (7-day average). The “Today” toggle shows the current day, and the region page compares cities “by area”.

Dehiwala-Mount Lavinia, Sri Lanka — VanSky 34 out of 100. Difficult — consider alternatives. Ranked #19 of 65 cities in the country (as of 15 October 2026). Temperature 30°C, wind 11 km/h. Solar panels yield 1.4 kWh/day at 400 W — enough for full autonomy.

∅ 7-day average

Sleep

25°C

Night temperature

Solar

1.4 kWh

for 500W panels • sunny 5h

Driving

11 km/h

Wind speed (gusts 31)

Condensation

High

91%

Humidity level • Dew point 25°C oppressive

Awning

Safe

31 km/h

Max gusts

Air Quality

Good

18 AQI

PM2.5: 11.8 μg/m³

Upcoming forecast

15.10

day

30°

night

25°

solar

1.4 kWh

wind

11 km/h

gusts 31 км/ч

VanSky 38

comfort

16.10

day

30°

night

26°

solar

1.6 kWh

wind

11 km/h

gusts 36 км/ч

VanSky 35

comfort

17.10

day

31°

night

26°

solar

1.7 kWh

wind

9 km/h

gusts 32 км/ч

VanSky 37

comfort

18.10

day

32°

night

25°

solar

2.1 kWh

wind

10 km/h

gusts 28 км/ч

VanSky 34

comfort

19.10

day

32°

night

26°

solar

2 kWh

wind

9 km/h

gusts 25 км/ч

VanSky 35

comfort

20.10

day

32°

night

25°

solar

1.9 kWh

wind

9 km/h

gusts 27 км/ч

VanSky 33

comfort

21.10

day

31°

night

25°

solar

1.6 kWh

wind

10 km/h

gusts 27 км/ч

VanSky 35

comfort

Dehiwala-Mount Lavinia on map

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Open-Meteo

Solar — W Panels W

Today's output

Peak hours

3.5h

sunny 5h

Usage estimate

Travel recommendations

Wind is calm — safe to open the awning and leave it out overnight.
High condensation risk — ventilate before sleep and leave a small gap in the roof vent.
Air quality is excellent — windows open, enjoy fresh air.

Air Quality Today

Good

Fair

Moderate

Poor

Danger

Good

Air is clean — windows can be opened, no restrictions for outdoor activities.

PM2.5

11.8

μg/m³

Fair

Dust

μg/m³

Good

Pollen

—

Similar by VanSky

Cities with a close score — route alternatives

VanSky Index

A weather comfort index for travel: a 0–100 score. Recalculated daily from live weather data — temperature, rainfall, wind and sun.

80–100 Ideal

60–79 Comfortable

40–59 Acceptable

20–39 Challenging

0–19 Extreme

How it's calculated:

Thermal comfort 35%
Sunshine 25%
Precipitation 25%
Wind 15%

Data: Open-Meteo · Updated several times a day

Where the weather is best in Sri Lanka

Dehiwala-Mount Lavinia ranks 32 of 65 cities. Country average VanSky — 31.

Best

Harshest

All 65 cities in the country

Frequently Asked Questions

Is it possible to live in a motorhome in Dehiwala-Mount Lavinia?

The weekly VanSky index for Dehiwala-Mount Lavinia is 34 out of 100 (7-day average). Above 60 is comfortable for parking, below 40 — consider alternatives. Check the 7-day forecast on this page.

What is the solar panel output in Dehiwala-Mount Lavinia?

Solar panel output data for Dehiwala-Mount Lavinia is calculated from real peak sun hours. The result is shown in the Solar section — you can adjust it to your panel wattage.

How does VanSky calculate the comfort index for Dehiwala-Mount Lavinia?

The index for Dehiwala-Mount Lavinia is calculated using: thermal comfort (temperature + humidity), precipitation, wind, and solar activity. Extreme conditions — frost, storm, heavy rain — drive the score toward zero.