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Saint-Quentin-en-Yvelines

Decide whether to visit or live in Saint-Quentin-en-Yvelines, then explore current conditions, local people, the map, and concise sourced context.

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Updated Saturday, August 15, 2026 · sourced live layer and versioned editorial content

AI-assisted, evidence-constrained research · how this page is made

Building the sourced atlas for Saint-Quentin-en-YvelinesThe request is queued. Facts and the map remain available while AI research runs.
Live decision desk

Would you visit or live in Saint-Quentin-en-Yvelines?

Choose your plan and circumstances. The result changes immediately using today's advisory, weather, air-quality, and sourced local signals.

Interactive visit / live calculatorHow safe is Saint-Quentin-en-Yvelines for your plan?
82/100
Should I visit Saint-Quentin-en-Yvelines?

Generally suitable with routine precautions

Travelers should follow the UK Foreign, Commonwealth & Development Office advice for France, including entry requirements via the European Entry‑Exit System (EES).

high source confidence · current planning signal, not a personal-safety guarantee
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See the evidence and calculation
  • No high-severity wording detected in the supplied advisory
  • Latest air-quality reading is not elevated
  • Entry requirements (EES)
  • General crime levels comparable to other Paris‑area suburbs
  • Health services available within the Île‑de‑France region

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: Saint-Quentin-en-Yvelines month by month

Judged purely on 2016–2025 weather records, the friendliest months in Saint-Quentin-en-Yvelines are typically June, July and August, with average daytime highs around 23–25°C. August is usually the warmest month (average high 25°C), January the coldest (average low 2°C), and May the wettest (about 83 mm). These are long-run averages, not a forecast.

Monthly averages computed from 2016–2025 Open-Meteo historical weather records for this location. Long-run averages, not a forecast.
MonthAvg high (°C)Avg low (°C)Rain (mm)Sunshine (h/day)
January6.61.5723.5
February8.82.3535.3
March11.53.8707.2
April14.95.54810.2
May18.39.18310.8
June22.713.27411.8
July24.414.75411.7
August24.514.76110.8
September21.012.1618.9
October16.39.2716.6
November10.44.9644.6
December7.83.0713.3

Google News pulse · checked with SearXNG

What is being reported around Saint-Quentin-en-Yvelines

Fresh candidates come from Google News, are independently matched in SearXNG, then rewritten by the AI pool without copying article prose. Open the original publisher coverage through Google News.

No recent story passed both checks.

Google News and SearXNG were refreshed, but no relevant report from the last 30 days had enough corroborating detail to rewrite safely. The widget will check again on the next refresh.

Reader Travel & Livability Pulse

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Current local index

People and places shaping Saint-Quentin-en-Yvelines

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, August 15, 2026
Dates that matter

Past and future events in Saint-Quentin-en-Yvelines

Future · verified dates only

Upcoming

No future event in Saint-Quentin-en-Yvelines currently has a sufficiently reliable date and source. This is checked again on every refresh.

Past · documented context

Previously

  1. Paris–Brest–Paris (endurance cycling event)

    Saint-Quentin-en-Yvelines served as the start and finish point until 2019

  2. 2018 Ryder Cup

    Hosted at Le Golf National in Saint-Quentin-en-Yvelines

  3. 2015 UCI Track Cycling World Championships

    Held at the Vélodrome de Saint-Quentin-en-Yvelines

  4. 2016 UEC European Track Championships

    Held at the Vélodrome de Saint-Quentin-en-Yvelines

  5. Paris–Brest–Paris randonnée (1991‑2015)

    Annual long‑distance cycling randonnée started and finished in Saint-Quentin-en-Yvelines

Current public leadership

  • Jean-Michel Fourgous

    President of the communauté d'agglomération of Saint-Quentin-en-Yvelines

People associated with this place

No person with a direct, sourced association to Saint-Quentin-en-Yvelines has been verified yet.

Historical figures

No historical figure has been extracted from reliable context for Saint-Quentin-en-Yvelines yet.

Local business and employers

  • GrandOptical

    Structured data records this business as headquartered in Saint-Quentin-en-Yvelines. French optician and eyewear retail chain.

  • Gipsi (France)

    Structured data records this business as headquartered in Saint-Quentin-en-Yvelines. Company in Saint-Quentin-en-Yvelines, France.

  • Europcar

    Head office located in the business park of Val Saint-Quentin, Voisins-le-Bretonneux (part of Saint-Quentin-en-Yvelines)

  • Bouygues Construction

    Occupies the former Bouygues head‑office Challenger complex in Saint-Quentin-en-Yvelines

  • Le Golf National

    Private golf course in Saint-Quentin-en-Yvelines, venue of the 2018 Ryder Cup

Newspapers and local media

  • Media related to Saint-Quentin-en-Yvelines at Wikimedia Commons

    Listed by the source as a local media outlet.

Buildings and landmarks

  • Le Golf National

    Private golf course that hosted the 2018 Ryder Cup

  • Vélodrome de Saint-Quentin-en-Yvelines

    Indoor cycling track that hosted world and European championships

  • Challenger complex (Bouygues)

    Kevin Roche‑designed building now occupied by Bouygues Construction

  • Saint Quentin Pond

    Central natural feature after which the new town is named

  • Val Saint‑Quentin business park

    Location of several corporate headquarters, including Europcar

Sources checked (2)

Interactive geography

See Saint-Quentin-en-Yvelines in context

Background library

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 · Overview

Saint-Quentin-en-Yvelines, in brief

Saint-Quentin-en-Yvelines is mapped here through verified geographic facts and source-linked daily data. Its longer editorial profile is in the enrichment queue.

02 · History

How Saint-Quentin-en-Yvelines took shape

This section is being expanded from verified sources. Current facts, weather, mapping, and official links remain available while editorial review continues.

03 · Visit

Visiting Saint-Quentin-en-Yvelines

This section is being expanded from verified sources. Current facts, weather, mapping, and official links remain available while editorial review continues.

04 · Food & culture

Food and everyday culture in Saint-Quentin-en-Yvelines

This section is being expanded from verified sources. Current facts, weather, mapping, and official links remain available while editorial review continues.

05 · Arts

Arts and cultural life in Saint-Quentin-en-Yvelines

This section is being expanded from verified sources. Current facts, weather, mapping, and official links remain available while editorial review continues.

06 · Economy

Work and the economy in Saint-Quentin-en-Yvelines

This section is being expanded from verified sources. Current facts, weather, mapping, and official links remain available while editorial review continues.

07 · Safety

Safety and practical guidance for Saint-Quentin-en-Yvelines

This section is being expanded from verified sources. Current facts, weather, mapping, and official links remain available while editorial review continues.

08 · Questions

Questions about Saint-Quentin-en-Yvelines

This section is being expanded from verified sources. Current facts, weather, mapping, and official links remain available while editorial review continues.

Atlas FAQ Desk

Frequently Asked Questions about Saint-Quentin-en-Yvelines

Essential geographic, demographic, currency, and travel context verified from primary records.

01 · Q&A

Where is Saint-Quentin-en-Yvelines located and what are its coordinates?

Saint-Quentin-en-Yvelines is situated in France at geographic coordinates 48.7719, 2.0189 with an elevation of an elevation monitored in local geographic surveys.

02 · Q&A

What is the population and time zone of Saint-Quentin-en-Yvelines?

Saint-Quentin-en-Yvelines has a recorded population of approximately 146,598 and observes the Europe/Paris time zone (EUR).

03 · Q&A

What languages and currency are used in Saint-Quentin-en-Yvelines?

Official and commonly spoken languages in Saint-Quentin-en-Yvelines include fr-FR, frp, br, co, ca, eu, oc, and the circulating currency is EUR.

04 · Q&A

How can I check live conditions and daily updates for Saint-Quentin-en-Yvelines?

Today's Atlas provides continuous tracking for Saint-Quentin-en-Yvelines, featuring real-time weather conditions, daylight cycles, local geographic signals, and verified daily briefs.