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Hong Kong swelters through hottest October on record

Hong Kong has endured its warmest October since records began, with meteorologists attributing the unseasonable heat to the strengthening El Niño phenomenon. The temperature spike reflects broader global warming trends intensified by the tropical climate pattern.

LSN Singapore · 3 November 2026

Hong Kong swelters through hottest October on record

Hong Kong's meteorological department confirmed the territory logged unprecedented October temperatures, breaking decades of historical records. The exceptional warmth underscores the far-reaching climatic impact of El Niño, the periodic warming of equatorial Pacific Ocean waters that influences weather patterns across the globe.

El Niño conditions have intensified significantly this year, pushing temperatures upward across multiple regions in Asia and beyond. Scientists have linked the phenomenon to elevated heat in the tropical Pacific, which disrupts normal atmospheric circulation and drives warmer-than-average conditions worldwide.

The record October heat in Hong Kong adds to growing evidence of temperature acceleration across Asia's densely populated regions. Meteorologists warn that such extremes may persist in coming months as El Niño conditions remain robust, potentially affecting weather patterns through the northern hemisphere winter.

Temperature records in Hong Kong and neighbouring areas carry particular significance given the region's high population density and reliance on climate-sensitive sectors including tourism and agriculture. Environmental officials are monitoring forecasts closely as residents and businesses prepare for potentially sustained warmer conditions.