Castelar
Decide whether to visit or live in Castelar, then explore current conditions, local people, the map, and concise sourced context.
Check visit & living safetyUpdated Wednesday, October 14, 2026 · sourced live layer and versioned editorial content
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Generally suitable with routine precautions
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Climate normals · 2016–2025
When to go: Castelar month by month
Judged purely on 2016–2025 weather records, the friendliest months in Castelar are typically April, October and November, with average daytime highs around 22–26°C. January is usually the warmest month (average high 30°C), July the coldest (average low 7°C), and March the wettest (about 142 mm). These are long-run averages, not a forecast.
| Month | Avg high (°C) | Avg low (°C) | Rain (mm) | Sunshine (h/day) |
|---|---|---|---|---|
| January | 29.8 | 19.9 | 81 | 12.1 |
| February | 29.0 | 19.1 | 92 | 11.3 |
| March | 26.1 | 17.2 | 142 | 10.2 |
| April | 22.1 | 13.7 | 116 | 8.3 |
| May | 17.8 | 9.8 | 78 | 7.4 |
| June | 15.2 | 7.1 | 40 | 7.4 |
| July | 14.7 | 6.5 | 64 | 7.4 |
| August | 16.9 | 7.6 | 54 | 8.3 |
| September | 19.2 | 9.7 | 69 | 9.1 |
| October | 22.0 | 12.1 | 81 | 10.1 |
| November | 25.7 | 15.4 | 82 | 11.4 |
| December | 28.6 | 17.8 | 86 | 12.2 |
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People and places shaping Castelar
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Research updated Saturday, October 3, 2026Past and future events in Castelar
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Previously
- Documented history · 1610
In 1610 the land suffered its first change of owner, since Mateo Sanchez had sold it to captain Francisco Romero from Santa Cruz.
- Documented history · 1673
The lot continued to be in the hands of Romero's descendants until 1673, the year that Sebastian de Gilles acquired it, which led to a slow fragmenting of the land.
Sources checked (2)
Interactive geography
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01 · QuestionsQuestions about Castelar
FAQ
Where is Castelar situated geographically? Castelar is a city in Morón Partido, Buenos Aires Province, Argentina, located approximately 30 km west of the autonomous city of Buenos Aires. It sits within the Greater Buenos Aires metropolitan area as the westernmost city of the Morón Partido, bordering on Ituzaingó Partido, and represents the second most populated city in Morón.
What was the early terrain of the region like? The original territory encompassed land laid upon Moron Creek, in a zone previously known as Cañada de Ruiz. The initial owner of these lands was Mateo Sanchez, who received a squared portion of land according to the orders of governor Juan Ramirez de Velasco, with limits that were almost double the size of the current city before it underwent a slow fragmenting following its acquisition by Sebastian de Gilles in 1673.
02 · VisitVisiting Castelar
Landscape and Climate
Castelar is a city situated within the Buenos Aires Province of Argentina, resting roughly 30 km west of the nation's capital, the autonomous city of Buenos Aires. As the westernmost municipality of Morón Partido and the second most populated locality within the county, the settlement forms an integral part of the sprawling Greater Buenos Aires metropolitan area.
Positioned geographically on the western side of Morón Partido, the locality shares its borders directly with Ituzaingó Partido. The wider terrain historically developed outward from early parcels laid upon Moron Creek, an area previously known as Cañada de Ruiz. Mateo Sanchez originally received this squared portion of land under the orders of governor Juan Ramirez de Velasco, before ownership transferred to captain Francisco Romero from Santa Cruz in 1610 and subsequently to Sebastian de Gilles in 1673, initiating the gradual fragmentation of the regional landscape.
Today, the surrounding environment accommodates a permanent population of 107,786 residents. Sitting at latitude -34.65142 and longitude -58.64074 within the America/Argentina/Buenos_Aires timezone, the municipality operates under the official national currency and interacts across multiple linguistic traditions including Spanish, English, Italian, German, French, and Guaraní.
03 · OverviewCastelar, in brief
Overview
Castelar is a city situated within the Buenos Aires Province of Argentina, operating under the America/Argentina/Buenos_Aires timezone. Positioned roughly 30 km west of the nation's capital, the autonomous city of Buenos Aires, it functions as part of the Greater Buenos Aires metropolitan area.
The settlement spans the westernmost sector of the Morón Partido county, sharing its borders directly with Ituzaingó Partido. Within Morón, this urban locality holds the position of the second most populated city, housing a total population of 107,786 residents. Geographically, the area sits at coordinates -34.65142 latitude and -58.64074 longitude.
Historically, the terrain encompassing the modern locality traces its geographical foundations back to lands laid upon Moron Creek, an expanse previously designated as Cañada de Ruiz. The initial recorded owner of this squared land grant was Mateo Sanchez, who acquired the territory following the directives issued by governor Juan Ramirez de Velasco. Over the subsequent centuries, the expansive tract underwent successive ownership changes and a gradual process of fragmentation, moving from captain Francisco Romero of Santa Cruz in 1610 to Sebastian de Gilles in 1673.
Today, the municipal profile integrates residential spaces alongside industrial manufacturing operations, marked notably by the presence of the Sero electric factory. Regional connectivity is anchored by infrastructure such as the Castelar railway station, linking the community into the broader transit grid of the metropolitan zone.
Frequently Asked Questions about Castelar
Essential geographic, demographic, currency, and travel context verified from primary records.
01 · Q&AWhere is Castelar located and what are its coordinates?
Castelar is situated in Argentina at geographic coordinates -34.6514, -58.6407, with an elevation monitored in regional geographic surveys.
02 · Q&AWhat is the population and time zone of Castelar?
Castelar has a recorded population of approximately 107,786 and observes the America/Argentina/Buenos_Aires time zone.
03 · Q&AWhat languages and currency are used in Castelar?
Official and commonly spoken languages in Castelar include ES-AR, English, Italian, German, French, GN, with ARS used for local transactions.
04 · Q&AHow can I check live conditions and daily updates for Castelar?
Today's Atlas provides continuous tracking for Castelar, featuring real-time weather conditions, daylight cycles, local geographic signals, and verified daily briefs.