October weather forecast
Sai Wan, Hong Kong

Sai Wan welcomes October with the gentle onset of autumn, underscoring its diverse climatic experience. This month, packed with autumnal hues, offers welcome change from the tropical summer of the previous months. The warmth starts to wane, providing a respite to the city inhabitants. The decrease in temperatures does not stifle life in the city, but the sharp decrease in rainfall to a mere 71mm (2.8") does slow the pace. October in Sai Wan is a muted symphony transitioning towards the colder months.

Temperature

On the advent of October, Sai Wan's average high-temperature exhibits a minor adjustment to a still warm 27.2°C (81°F) from September's 29.6°C (85.3°F). Sai Wan's nighttime temperatures in October display a slight drop from daytime highs, averaging to a still warm 24.3°C (75.7°F).

Heat index

Throughout October, the heat index is appraised at 29°C (84.2°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
The metrics for the heat index are tailored for both shady environments and light winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

In October, the average relative humidity in Sai Wan is 73%.

Rainfall

In October, in Sai Wan, the rain falls for 14.1 days. Throughout October, 71mm (2.8") of precipitation is accumulated. In Sai Wan, during the entire year, the rain falls for 224.5 days and collects up to 1264mm (49.76") of precipitation.

Daylight

In Sai Wan, the average length of the day in October is 11h and 38min.
On the first day of the month, sunrise is at 06:14 and sunset at 18:11. On the last day of October, in Sai Wan, sunrise is at 06:27 and sunset at 17:46 HKT.

Sunshine

The average sunshine in October is 6.9h.

UV index

In October, the average daily maximum UV index in Sai Wan is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 6 in October transforms into this advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.