Saint-Louis
Decide whether to visit or live in Saint-Louis, then explore current conditions, local people, the map, and concise sourced context.
Check visit & living safetyUpdated Tuesday, October 27, 2026 · sourced live layer and versioned editorial content
AI-assisted, evidence-constrained research · how this page is made
Would you visit or live in Saint-Louis?
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
New information about dual nationals returning to the UK (‘Entry requirements’ page).
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
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-Louis month by month
Judged purely on 2016–2025 weather records, the friendliest months in Saint-Louis are typically July, August and September, with average daytime highs around 24–25°C. January is usually the warmest month (average high 29°C), July the coldest (average low 19°C), and January the wettest (about 305 mm). These are long-run averages, not a forecast.
| Month | Avg high (°C) | Avg low (°C) | Rain (mm) | Sunshine (h/day) |
|---|---|---|---|---|
| January | 28.5 | 24.3 | 305 | 11.4 |
| February | 28.5 | 24.4 | 197 | 11.2 |
| March | 28.4 | 24.3 | 166 | 10.6 |
| April | 27.5 | 23.4 | 124 | 10.1 |
| May | 25.8 | 21.2 | 42 | 10.4 |
| June | 24.4 | 19.5 | 52 | 10.3 |
| July | 23.6 | 18.5 | 42 | 10.4 |
| August | 23.7 | 18.5 | 44 | 10.8 |
| September | 24.5 | 18.9 | 29 | 11.3 |
| October | 25.9 | 20.3 | 41 | 11.6 |
| November | 27.1 | 21.6 | 61 | 11.7 |
| December | 28.3 | 23.3 | 90 | 12.2 |
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People and places shaping Saint-Louis
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 Monday, September 28, 2026Past and future events in Saint-Louis
Upcoming
No future event in Saint-Louis currently has a sufficiently reliable date and source. This is checked again on every refresh.
Previously
No past event has been extracted for Saint-Louis yet.
Sources checked (2)
Interactive geography
See Saint-Louis 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 · OverviewSaint-Louis, in brief
Saint-Louis is a commune situated within the overseas department and administrative region of Reunion. Geographically positioned at the coordinates -21.28585 latitude and 55.41124 longitude, the city operates within the Indian/Reunion timezone.
As a defined municipality in the territory, Saint-Louis maintains a recorded population of 53,935 residents. The local administrative and geographic framework links the territory directly to its broader island context. Within this geographic setting, the community utilizes the EUR currency and engages administratively using the fr-RE language designation standard for the department.
The geographic expanse of Saint-Louis shares the island administrative structure characteristic of Reunion. Neighboring various local entities across the overseas department, the municipality functions under broader territorial governance while retaining its specific regional coordinates and population metrics.
Geographical placement data from records such as the GeoNames record for Saint-Louis document the precise coordinates of this locality in the Indian Ocean. While the name Saint-Louis is shared by numerous other settlements globally—including sites detailed in the Saint Louis overview such as communes in Haut-Rhin, Moselle, Guadeloupe, and New Caledonia—this specific entity remains anchored firmly within the island department of Réunion.
Frequently Asked Questions about Saint-Louis
Essential geographic, demographic, currency, and travel context verified from primary records.
01 · Q&AWhere is Saint-Louis located and what are its coordinates?
Saint-Louis is situated in Reunion at geographic coordinates -21.2858, 55.4112, with an elevation monitored in regional geographic surveys.
02 · Q&AWhat is the population and time zone of Saint-Louis?
Saint-Louis has a recorded population of approximately 53,935 and observes the Indian/Reunion time zone.
03 · Q&AWhat languages and currency are used in Saint-Louis?
Official and commonly spoken languages in Saint-Louis include FR-RE, with EUR used for local transactions.
04 · Q&AHow can I check live conditions and daily updates for Saint-Louis?
Today's Atlas provides continuous tracking for Saint-Louis, featuring real-time weather conditions, daylight cycles, local geographic signals, and verified daily briefs.