Last updated: January 18, 2025
Located in the picturesque region of Sai Kung, Hong Kong, the climate is classified under the Köppen-Geiger system as Cwa, characterized by a humid subtropical pattern. This area experiences a marked seasonal temperature variation, with minimum temperatures plummeting to 5°C (42°F) in February, while summer peaks can soar to a sweltering 36°C (97°F) in August. The annual average temperature hovers around a pleasant 23°C (75°F), making Sai Kung a unique blend of cool winters and hot, humid summers, ideal for outdoor activities and exploration year-round.
Sai Kung, Hong Kong, showcases distinct seasonal temperature patterns throughout the year. The winter months of January and February begin relatively cool, with minimum temperatures reaching as low as 5°C (42°F) and average temperatures around 16-17°C (62-63°F). As spring arrives in March and April, temperatures gradually rise, with March averaging 20°C (69°F) and April peaking at 31°C (89°F). The onset of summer in May brings a significant warmth, with maximum temperatures hitting 35°C (95°F), and the heat plateaus in July and August, where highs reach 36°C (97°F), accompanied by humidity. The transition into autumn in September sees a minor cooling, with averages settling at 28°C (83°F), while October and November present a more comfortable climate, characterized by pleasant temperatures between 22°C (72°F) and 25°C (78°F). Finally, December marks the return to cooler weather as temperatures decrease to an average of 17°C (64°F), thus completing the annual cycle.
Sai Kung experiences a wide range of temperatures throughout the year, with February temperatures dipping as low as 5°C (42°F) and soaring to a peak of 36°C (97°F) in August. For a detailed look at the monthly temperatures, visit monthly temperatures in Sai Kung.
Precipitation in Sai Kung, Hong Kong, exhibits a clear seasonal pattern, with the majority of rainfall concentrated in the summer months. Beginning with January, the region experiences relatively low rainfall at 16 mm (0.6 in) over just 2 days, which gradually increases through February and March to 43 mm (1.7 in) and 59 mm (2.3 in), respectively. The arrival of April marks a significant uptick, with precipitation reaching 93 mm (3.7 in). However, it is in May, June, July, and August that Sai Kung faces its heaviest rain, with May recording 196 mm (7.7 in) and June skyrocketing to 344 mm (13.5 in).
The peak of the monsoon season occurs in August, with an impressive 362 mm (14.2 in) of rain spread across 26 days of the month, making it the wettest time of year. Following August, September sees a decline in rainfall to 215 mm (8.5 in), with precipitation tapering off significantly in October (161 mm), November (29 mm), and December (21 mm). During the latter months, fewer rainy days are recorded, indicative of a transition to drier conditions, emphasizing a stark contrast to the intense rainfall experienced in the summer.
In Sai Kung, Hong Kong, sunshine duration exhibits a pronounced seasonal trend, with notable increases as the year progresses. The year kicks off with 216 hours of sunshine in January, gradually climbing through February (251 hours) and March (274 hours). By April, the total reaches 263 hours, highlighting a consistent rise as spring unfolds. This upward trend culminates in May, when sunshine hours peak at 301 hours, setting the stage for the summer months. As July arrives, the region enjoys a remarkable 323 hours of sunshine, marking it the sunniest month of the year, before experiencing a slight decline to 280 hours in August.
As summer transitions into autumn, a gradual decrease in sunshine hours is observed, with September offering 288 hours and October maintaining a similar total of 280 hours. November sees a further dip to 262 hours, while December closes the year with 264 hours. Overall, Sai Kung experiences the most sunny days during the summer months, contrasting starkly with the lower hours of sunshine in winter. This seasonal variation not only influences local climate perceptions but also enhances outdoor activities during the sunniest months, making Sai Kung a delightful place for sun-seekers during the summer season.
In Sai Kung, Hong Kong, the UV Index varies significantly throughout the year, reflecting the region's changing sun exposure. The year begins with a UV Index of 7 in January, placing it in the high exposure category with a recommended burn time of 25 minutes. As February arrives, the index escalates to 10, denoting a very high risk and reducing burn time to just 15 minutes. March and April amplify this intensity further, both registering an extreme UV Index of 12, necessitating vigilance with a mere 10-minute burn time. May brings the highest index of the year at 14, emphasizing the critical need for sun protection.
The summer months maintain similar levels of intensity, with the UV Index reaching 13 from June through August, and again requiring careful exposure management with a burn time of only 10 minutes. As September transitions into October, the Index slightly declines to 12 and 11, remaining in the extreme category while still demanding caution. November sees a drop to 9, categorized as very high, while December reverts back to a high exposure level of 7, with burn times extending to 25 minutes. This pattern highlights the importance of sun safety measures, especially during the late spring and summer months, where extended exposure without protection can lead to harmful effects.
UV Risk Categories
Sai Kung, Hong Kong, experiences a rhythmic pattern of daylight duration throughout the year, reflecting seasonal changes. The year opens with about 10 hours of daylight in January, gradually increasing to 11 hours in February. By March, daylight extends to 12 hours and remains constant through April, indicating the arrival of spring and longer days. As May arrives, daylight peaks at 13 hours and sustains this duration through June and July, providing ample time for outdoor activities under the vibrant summer sun.
As the summer wanes, a slight decrease in daylight is noted, with both August and September maintaining 12 hours. Following this, October and November see daylight diminish to 11 hours, before returning to 10 hours in December. This cyclical pattern underscores the shifts in light exposure throughout the seasons, enhancing the region's natural beauty during extended daylight periods in spring and summer, while also heralding the cozy ambiance of shorter winter days.
Sai Kung, Hong Kong, experiences a subtropical climate characterized by mild winters and hot, humid summers. Temperatures range from a chilly 5°C (42°F) in February to a sweltering 36°C (97°F) in July and August. Precipitation is highest in June and August, with averages of 344 mm (13.5 in) and 362 mm (14.2 in), respectively, contributing to a wet summer season. Sunshine is plentiful, especially in the summer months, peaking at 323 hours in July. For more detailed information, visit Sai Kung climate.
In conclusion, the climate patterns of Sai Kung, Hong Kong, reveal a unique interplay of temperature, precipitation, sunshine duration, UV Index, and daylight duration across the seasons. The region enjoys a warm and humid subtropical climate, marked by hot summers and relatively mild winters. During the summer months, residents and visitors alike benefit from extensive daylight and high UV exposure, making effective sun protection essential. Conversely, the transition from winter to spring brings a notable increase in sunlight hours and warming temperatures, encouraging outdoor activities. Understanding these climatic trends not only enriches the experience of living in or visiting Sai Kung but also highlights the importance of adapting to seasonal variations for health and recreation.