Dehiwala-Mount Lavinia
Decide whether to visit or live in Dehiwala-Mount Lavinia, then explore current conditions, local people, the map, and concise sourced context.
Check visit & living safetyUpdated Saturday, October 24, 2026 · sourced live layer and versioned editorial content
AI-assisted, evidence-constrained research · how this page is made
Would you visit or live in Dehiwala-Mount Lavinia?
Choose your plan and circumstances. The result changes immediately using today's advisory, weather, air-quality, and sourced local signals.
Suitable with normal precautions
Exercise caution regarding weather updates and potential heavy rainfall, flooding, and landslides in Sri Lanka.
high source confidence · current planning signal, not a personal-safety guaranteeSee the evidence and calculation
- Current official alerts require extra planning
- Latest air-quality reading is not elevated
- Heavy rainfall
- Flooding
- Landslides
The score combines dated official-advisory wording, weather, air quality, sourced local context, and your selections. It does not predict crime or individual outcomes. Check local authorities and professional advice before a safety-critical decision.
Climate normals · 2016–2025
When to go: Dehiwala-Mount Lavinia month by month
Judged purely on 2016–2025 weather records, the friendliest months in Dehiwala-Mount Lavinia are typically January, February and March, with average daytime highs around 30–31°C. February is usually the warmest month (average high 31°C), January the coldest (average low 23°C), and May the wettest (about 434 mm). These are long-run averages, not a forecast.
| Month | Avg high (°C) | Avg low (°C) | Rain (mm) | Sunshine (h/day) |
|---|---|---|---|---|
| January | 30.1 | 22.6 | 105 | 10.0 |
| February | 31.1 | 23.2 | 60 | 11.0 |
| March | 30.9 | 24.0 | 108 | 10.8 |
| April | 30.8 | 24.8 | 165 | 10.3 |
| May | 29.7 | 25.4 | 434 | 8.2 |
| June | 28.9 | 25.3 | 319 | 9.5 |
| July | 28.7 | 25.2 | 236 | 9.7 |
| August | 28.4 | 25.0 | 248 | 9.6 |
| September | 28.5 | 24.7 | 297 | 8.8 |
| October | 28.6 | 24.2 | 361 | 8.3 |
| November | 28.8 | 23.4 | 419 | 7.7 |
| December | 29.4 | 22.9 | 171 | 9.3 |
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People and places shaping Dehiwala-Mount Lavinia
AI-assisted local research, regenerated with the dated live layer. Every requested module remains visible; facts appear only after a source check, and unavailable categories explain what is still being researched.
Research updated Saturday, October 10, 2026Past and future events in Dehiwala-Mount Lavinia
Upcoming
No future event in Dehiwala-Mount Lavinia currently has a sufficiently reliable date and source. This is checked again on every refresh.
Previously
- Live Streaming of Municipal Council Meetings
Dehiwala-Mount Lavinia Municipal Council became Sri Lanka's first local authority to live stream General Council meetings.
Sources checked (25)
- Dehiwala-Mount Lavinia
- Dehiwala Mount Lavinia Municipal Council - Official Website ...
- Dehiwala-Mount Lavinia Municipal Council - Wikipedia
- Sri Lankan mayor on practical solutions for cooling a crowded ...
- Parakum Shantha - Mayor Dehiwala-Mount Lavinia | Former ...
- Category:People from Dehiwala-Mount Lavinia - Wikipedia
- List of People from Dehiwala-Mount Lavinia - FamousFix List
- 8 Interesting Facts About Dehiwala- Mount Lavinia | Isolated ...
- Category:People from Dehiwala-Mount Lavinia | Military Wiki ...
- Dehiwala-Mount Lavinia - Population and Demographics - CityFacts
- Famous People born in year 1936, Dehiwala-Mount Lavinia, Sri ...
- Dehiwala-Mount Lavinia, Western Province Sri Lanka
- Dehiwala-Mount Lavinia — Grokipedia
- The BEST Dehiwala-Mount Lavinia Tours and Excursions in 2026 - FREE Cancellation
- Dehiwala-Mount Lavinia: Sights, Map, Weather, History | Plizio
- Mount-Lavinia - Wikipedia
- Dehiwala-Mount Lavinia
- Dehiwala-Mount Lavinia 10370, Sri Lanka - Srilanka-Places.com
- Dehiwala-Mount Lavinia 10350, Sri Lanka - Srilanka-Places.com
- Jobs In Dehiwala-mount lavinia | WhatJobs Sri Lanka
- Jobs in Dehiwala-Mount Lavinia, Sri Lanka
- 65 Jobs Found in Dehiwala-Mount Lavinia, Western Province
- Dehiwala–Mount Lavinia Makes History as Sri Lanka's First ...
- Dehiwala-Mount Lavinia, Sri Lanka Local News - voxorb.com
- Wikidata structured records for Dehiwala-Mount Lavinia
Interactive geography
See Dehiwala-Mount Lavinia in context
Keep the deeper context
Stable history, culture, districts, and practical reference remain in the main reading flow while the live layers above continue changing.
01 · OverviewDehiwala-Mount Lavinia, in brief
Dehiwala-Mount Lavinia is a large municipality located in Sri Lanka's Western Province. Situated south of the Colombo Municipal Council area, this coastal municipality functions as a core urban agglomeration within the Colombo Metropolitan Region alongside Sri Jayawardenapura Kotte.
Cultural exchange
The municipal area functions as a multi-religious, multi-ethnic, and multi-cultural city. Linguistic diversity is reflected across the municipality, with Sinhala, Tamil, and English serving as recognized languages. The urban landscape accommodates diverse traditions through various institutions and events, including the annual Esala Perehera festival held at the Bellanwila Rajamaha Viharaya Buddhist temple, which attracts hundreds of devotees daily. Historical development links the area's nomenclature to early origins, including stories connecting the name Dehiwala to local water holes and lime tree forests that once supplied the king of Kotte.
Geographically, the municipality spans a mostly flat coastal plain that undulates toward inland sectors, bounded by the Dehiwala canal to the north, Borupana Road to the south, and the Weras Ganga river system to the east. The terrain encompasses wetlands around Bolgoda Lake and the Bellanwila and Attidiya marshes, which form an ecological protected zone noted for biodiversity. Key transport routes like the Galle Road artery run along the southern coastal corridor through the city zones, which include Dehiwala, Mount Lavinia, Attidiya, Kalubowila, Kohuwala, Nedimala, and Ratmalana.
Frequently Asked Questions about Dehiwala-Mount Lavinia
Essential geographic, demographic, currency, and travel context verified from primary records.
01 · Q&AWhere is Dehiwala-Mount Lavinia located and what are its coordinates?
Dehiwala-Mount Lavinia is situated in Sri Lanka at geographic coordinates 6.8402, 79.8712, with an elevation monitored in regional geographic surveys.
02 · Q&AWhat is the population and time zone of Dehiwala-Mount Lavinia?
Dehiwala-Mount Lavinia has a recorded population of approximately 219,827 and observes the Asia/Colombo time zone.
03 · Q&AWhat languages and currency are used in Dehiwala-Mount Lavinia?
Official and commonly spoken languages in Dehiwala-Mount Lavinia include SI, TA, English, with LKR used for local transactions.
04 · Q&AHow can I check live conditions and daily updates for Dehiwala-Mount Lavinia?
Today's Atlas provides continuous tracking for Dehiwala-Mount Lavinia, featuring real-time weather conditions, daylight cycles, local geographic signals, and verified daily briefs.