Thornhill
Decide whether to visit or live in Thornhill, then explore current conditions, local people, the map, and concise sourced context.
Check visit & living safetyUpdated Thursday, October 29, 2026 · sourced live layer and versioned editorial content
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Would you visit or live in Thornhill?
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
Addition of information about entry requirements for those entering from Ebola-affected regions.
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
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Climate normals · 2016–2025
When to go: Thornhill month by month
Judged purely on 2016–2025 weather records, the friendliest months in Thornhill are typically June, August and September, with average daytime highs around 23–26°C. July is usually the warmest month (average high 28°C), February the coldest (average low -8°C), and April the wettest (about 100 mm). These are long-run averages, not a forecast.
| Month | Avg high (°C) | Avg low (°C) | Rain (mm) | Sunshine (h/day) |
|---|---|---|---|---|
| January | -0.7 | -8.2 | 70 | 4.6 |
| February | 1.1 | -8.3 | 64 | 6.1 |
| March | 5.7 | -3.8 | 71 | 7.3 |
| April | 11.6 | 1.5 | 100 | 8.6 |
| May | 19.0 | 8.3 | 84 | 10.7 |
| June | 24.7 | 14.2 | 95 | 12.3 |
| July | 27.6 | 17.3 | 81 | 12.6 |
| August | 26.1 | 16.7 | 91 | 11.4 |
| September | 22.6 | 13.3 | 68 | 10.0 |
| October | 15.3 | 7.2 | 84 | 7.0 |
| November | 7.4 | 0.0 | 62 | 5.3 |
| December | 1.9 | -5.0 | 76 | 4.2 |
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People and places shaping Thornhill
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Research updated Thursday, October 29, 2026Past and future events in Thornhill
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Interactive geography
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01 · QuestionsQuestions about Thornhill
Frequently Asked Questions About Thornhill
Thornhill is a suburban community located in the province of Ontario, Canada. Situated within the country, this populated locality is officially recognized as part of the municipal structure in the region.
What is the geographic landscape and elevation of Thornhill?
The landscape of Thornhill is defined by its specific geographic positioning at latitude 43.815 and longitude -79.4242. Situated within Ontario, Canada, the area has a recorded elevation of 175 meters above sea level.
What are the demographic and administrative details regarding Thornhill?
Thornhill supports a population of 115,292 residents. Operating within the America/Toronto timezone, the settlement is classified as a non-capital city administered under the province of Ontario and the country of Canada. Official administrative contexts acknowledge multiple languages recognized in the region, including en-CA, fr-CA, and iu, while local transactions utilize the CAD currency.
Where does the name Thornhill appear in geographic references?
As documented in geographic disambiguation records found at Thornhill, the name applies to multiple distinct locations globally. These include settlements in Canada such as Thornhill, British Columbia, Thornhill, Maple Ridge, British Columbia, Thornhill, Nova Scotia, and Thornhill, Ontario. Additional international entries bearing the name exist in South Africa, the United Kingdom, and the United States.
02 · EconomyWork and the economy in Thornhill
Thornhill Economic Overview
Thornhill is a Canadian city located within the province of Ontario. Operating within the America/Toronto timezone, the municipality sits at a latitude of 43.815 and a longitude of -79.4242, positioned at an elevation of 175 meters above sea level.
The local economy supports a population of 115,292 residents. Financial transactions throughout the area are conducted in Canadian dollars, designated by the currency code CAD. Administrative and economic communications within Thornhill utilize multiple official languages, specifically English (en-CA), French (fr-CA), and Inuktitut (iu). While the community functions as a significant population center in Ontario, it does not serve as a capital city.
Geographically and environmentally, the landscape surrounding Thornhill integrates into the broader regional terrain of Canada. Economic activities in the city operate independently of national capital functions while serving its substantial resident base. Additional context regarding the settlement's broader geography and municipal structure is documented in references such as the GeoNames record for Thornhill and the general overview available on Wikipedia.
03 · OverviewThornhill, in brief
Thornhill Landscape and Climate Overview
Thornhill is a designated city located in Canada. Situated within the province of Ontario, the municipality operates under the America/Toronto timezone.
Geographically, Thornhill sits at a latitude of 43.815 and a longitude of -79.4242. The local terrain features an elevation of 175 meters above sea level. Within Canada, other locations sharing the settlement name include Thornhill in British Columbia, Thornhill in Maple Ridge, British Columbia, and Thornhill in Nova Scotia. The municipal footprint is also represented administratively through specific political boundaries, such as the Thornhill federal electoral district and the Thornhill provincial electoral district, alongside the Markham—Thornhill electoral district.
The city supports a recorded population of 115,292 residents. While Canada recognizes multiple official languages including en-CA, fr-CA, and iu, everyday administration within Ontario aligns with regional frameworks. Financial transactions across the settlement utilize the official Canadian currency, denoted by the code CAD. Although Thornhill functions as a notable populated place, it does not serve as a capital city for the country or the province.
Additional geographic and structural references for the name appear internationally. Outside of Canada, places named Thornhill include settlements in South Africa, such as Thornhill in the Kouga region of the Eastern Cape and Thornhill in Enoch Mgijima, Eastern Cape. In the United Kingdom, variants of the place name exist in Cardiff, Wales; Cumbria, England; Derbyshire, England; Dumfries and Galloway, Scotland; Southampton, England; Stirling, Scotland; Torfaen in Cwmbran, Wales; West Yorkshire, England; Wiltshire, England; and Thornhill Lees in Dewsbury, West Yorkshire. Furthermore, locations in the United States include Thornhill in Forkland, Alabama, Thornhill in Talladega, Alabama, and Thornhill in Kentucky, while Zimbabwe contains the Gweru-Thornhill Air Base, formerly designated as the Rhodesian Air Force Station Thornhill.
Educational and community facilities situated within the Canadian municipality include Thornhill Secondary School, which serves local students within the Ontario administrative region.
Frequently Asked Questions about Thornhill
Essential geographic, demographic, currency, and travel context verified from primary records.
01 · Q&AWhere is Thornhill located and what are its coordinates?
Thornhill is situated in Canada at geographic coordinates 43.8150, -79.4242, with an elevation of 175 meters above sea level.
02 · Q&AWhat is the population and time zone of Thornhill?
Thornhill has a recorded population of approximately 115,292 and observes the America/Toronto time zone.
03 · Q&AWhat languages and currency are used in Thornhill?
Official and commonly spoken languages in Thornhill include EN-CA, FR-CA, IU, with CAD used for local transactions.
04 · Q&AHow can I check live conditions and daily updates for Thornhill?
Today's Atlas provides continuous tracking for Thornhill, featuring real-time weather conditions, daylight cycles, local geographic signals, and verified daily briefs.
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