Longueuil
Decide whether to visit or live in Longueuil, then explore current conditions, local people, the map, and concise sourced context.
Check visit & living safetyUpdated Saturday, October 31, 2026 · sourced live layer and versioned editorial content
AI-assisted, evidence-constrained research · how this page is made
Would you visit or live in Longueuil?
Choose your plan and circumstances. The result changes immediately using today's advisory, weather, air-quality, and sourced local signals.
Generally suitable with routine precautions
Travel to Longueuil is considered low‑risk, but visitors should comply with any health‑related entry requirements, especially concerning Ebola‑affected areas.
high source confidence · current planning signal, not a personal-safety guaranteeSee the evidence and calculation
- No high-severity wording detected in the supplied advisory
- Latest air-quality reading is not elevated
- Health (Ebola entry requirements)
- Low crime rates
- Political stability
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: Longueuil month by month
Judged purely on 2016–2025 weather records, the friendliest months in Longueuil are typically June, August and September, with average daytime highs around 22–26°C. July is usually the warmest month (average high 27°C), January the coldest (average low -12°C), and October the wettest (about 122 mm). These are long-run averages, not a forecast.
| Month | Avg high (°C) | Avg low (°C) | Rain (mm) | Sunshine (h/day) |
|---|---|---|---|---|
| January | -3.8 | -12.0 | 77 | 4.8 |
| February | -1.7 | -11.3 | 79 | 6.1 |
| March | 3.7 | -5.6 | 85 | 7.5 |
| April | 11.3 | 1.1 | 117 | 8.0 |
| May | 19.4 | 8.7 | 80 | 9.9 |
| June | 24.4 | 14.8 | 110 | 10.8 |
| July | 27.0 | 18.3 | 106 | 11.8 |
| August | 25.7 | 17.3 | 119 | 10.9 |
| September | 21.7 | 13.3 | 75 | 9.4 |
| October | 14.9 | 7.5 | 122 | 6.8 |
| November | 5.9 | -0.4 | 88 | 5.0 |
| December | -0.5 | -7.8 | 89 | 4.4 |
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People and places shaping Longueuil
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 Sunday, November 1, 2026Past and future events in Longueuil
Upcoming
No future event in Longueuil currently has a sufficiently reliable date and source. This is checked again on every refresh.
Previously
- Documented history · 1657
Longueuil was founded in 1657 by Charles Le Moyne, a merchant from Ville-Marie (present day Montreal), as a seigneurie.
- Documented history · 1685
It was constructed of stone between 1685 and 1690 and had four towers.
- Documented history · 1810
It was demolished in 1810 due to its poor condition.
- Documented history · 1923
The archaeological remains of Fort Longueuil were recognized as a National Historic Site of Canada on May 25, 1923.
- Founding of Longueuil
Longueuil was founded in 1657 by Charles Le Moyne, a merchant from Ville‑Marie (present‑day Montreal), as a seigneurie.
Sources checked (25)
- Longueuil
- List of people from Longueuil - Wikipedia
- Famous People from Longueuil, Canada | 2 Notable People ...
- 3 Famous People from Longueuil, Canada | Pantheon
- List of Famous people born in Longueuil, Canada - FMSPPL.com
- THE GOOD FIGHT
- Famous Celebrity from Longueuil Qc Canada | CelebNest
- Category:People from Longueuil - Wikipedia
- Born in Longueuil (City in Quebec, Canada)
- Longueuil - The Canadian Encyclopedia
- Longueuil, Québec, Canada — Genealogy, Postcards & Local History
- Histoire de Longueuil | Ville de Longueuil
- Longueuil — Grokipedia
- Longueuil | Suburban, Montreal, St. Lawrence | Britannica
- Longueuil: A City of History, Innovation, and Community
- 11 Best Hotels in Longueuil (QC), Canada
- Best Attractions in Montreal for 2026 - Time Out
- Longueuil 여행 2026: 방문할 최고의 장소 및 레스토랑
- Top Companies in Longueuil | Glassdoor
- Canadian Companies - Longueuil, Quebec Companies ...
- Longueuil LMIA Data — Top Employers & Occupations (2026 ...
- Top 500 Companies from Longueuil – Dominating 2026
- Top Companies in Longueuil — Worth & Revenue (2026)
- Chamber of Commerce Longueuil, QC
- Wikidata structured records for Longueuil
Interactive geography
See Longueuil 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 · OverviewLongueuil, in brief
Longueuil is mapped here through verified geographic facts and source-linked daily data. Its longer editorial profile is in the enrichment queue.
02 · HistoryHow Longueuil took shape
This section is being expanded from verified sources. Current facts, weather, mapping, and official links remain available while editorial review continues.
03 · VisitVisiting Longueuil
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04 · Food & cultureFood and everyday culture in Longueuil
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05 · ArtsArts and cultural life in Longueuil
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06 · EconomyWork and the economy in Longueuil
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07 · SafetySafety and practical guidance for Longueuil
This section is being expanded from verified sources. Current facts, weather, mapping, and official links remain available while editorial review continues.
08 · QuestionsQuestions about Longueuil
This section is being expanded from verified sources. Current facts, weather, mapping, and official links remain available while editorial review continues.
Frequently Asked Questions about Longueuil
Essential geographic, demographic, currency, and travel context verified from primary records.
01 · Q&AWhere is Longueuil located and what are its coordinates?
Longueuil is situated in Canada at geographic coordinates 45.5152, -73.4682, with an elevation monitored in regional geographic surveys.
02 · Q&AWhat is the population and time zone of Longueuil?
Longueuil has a recorded population of approximately 229,330 and observes the America/Toronto time zone.
03 · Q&AWhat languages and currency are used in Longueuil?
Official and commonly spoken languages in Longueuil include EN-CA, FR-CA, IU, with CAD used for local transactions.
04 · Q&AHow can I check live conditions and daily updates for Longueuil?
Today's Atlas provides continuous tracking for Longueuil, featuring real-time weather conditions, daylight cycles, local geographic signals, and verified daily briefs.
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