Last updated: August 21, 2025
January in Sai Kung, Hong Kong offers a refreshing escape with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 25°C (78°F), averaging around 16°C (62°F). This pleasant winter month sees only 16 mm (0.6 in) of precipitation across 2 days, allowing for ample opportunities to explore the stunning landscapes and vibrant local culture. With a humidity level of 64%, the air feels crisp yet comfortable, making January an ideal time for outdoor activities and enjoying the natural beauty of this coastal gem.
In Sai Kung, Hong Kong, January marks the beginning of the year with temperatures that reflect a mild winter climate. The month opens with a minimum of 6°C (42°F), which gradually rises to an average of 16°C (62°F), peaking at a comfortable 25°C (78°F). As January transitions into February, the temperatures show a slight upward trend, with the minimum dipping only to 5°C (41°F) and the average creeping up to 17°C (62°F). This gradual warming continues through the following months, leading into a noticeably warmer March, where temperatures start to reach for the 20°C (69°F) mark. Thus, Sai Kung invites visitors to enjoy its cool yet pleasantly warming winter days, a perfect precursor to the vibrant spring ahead.
In January, Sai Kung basks in a relatively dry climate, recording a modest 16 mm (0.6 in) of rainfall over just 2 days. This marks the beginning of the year with a notable lack of precipitation, setting it apart from the months that follow. As the calendar turns to February, there's a significant uptick in moisture, with rainfall nearly tripling to 43 mm (1.7 in). This upward trend continues dramatically into March and April, where totals soar to 59 mm (2.3 in) and 93 mm (3.7 in) respectively, indicating a steady buildup towards the verdant months of late spring. By May, the precipitation reaches a peak, with 196 mm (7.7 in), signaling the onset of the summer rains. This pattern of increasing rainfall through the spring and into the summer months stands in stark contrast to January's tranquility, showcasing how swiftly weather can shift in this picturesque region.
January in Sai Kung, Hong Kong, greets residents with a mild humidity level of 64%, marking a refreshing start to the year. As the months progress toward summer, humidity gradually increases, peaking at a steamy 88% during July and August. The transition from the cooler winter months to the warmer season is marked by a gradual rise: February sees 68%, March rises to 73%, and by May, humidity reaches 79%. Interestingly, after the peak summer months, humidity begins to decrease, falling to 75% in September and returning to a more comfortable 65% in October. By the time December arrives, it sits at 69%, closing out the year with a hint of moisture while still embracing the seasonal shift back to cooler weather. Overall, Sai Kung experiences a distinct seasonal rhythm in humidity, mirroring the transition from cool to warm and back again.
In January, Sai Kung experiences a UV Index of 7, classifying it in the high exposure category with a burn time of just 25 minutes. As winter transitions into February, the UV Index escalates to 10, marking a shift to very high exposure with the burn time decreasing to 15 minutes. This upward trend continues into the spring months, peaking at an extreme level of 12 in both March and April, where the burn time shortens to a mere 10 minutes. The UV index reaches its highest at 14 in May, underscoring the need for protection as summer approaches. Consistently high levels persist through the summer months, maintaining an extreme category with UV Index readings between 12 and 13, before tapering down to 9 in November and returning to 7 in December for a notable end to the year. For ongoing awareness of these crucial trends, check the detailed statistics at Sai Kung UV Index.
UV Risk Categories
In January, Sai Kung basks in 216 hours of sunshine, marking the start of the year with a gentle brightness. As winter transitions into spring, the daylight hours gradually increase, peaking in May with an impressive 301 hours. This upward trend captures the essence of Hong Kong's vibrant climate, where July stands out with the most sunshine at 323 hours, inviting both locals and visitors to enjoy the great outdoors. The summer months may taper off slightly, but the pleasant warmth continues into autumn, maintaining around 280 hours of sunshine through October. By the time November arrives, the sun still shines for 262 hours, ensuring that the joys of outdoor adventures linger long into the year. Overall, this delightful pattern of increasing sunlight reveals why Sai Kung is a cherished destination for sun-lovers throughout the seasons.
In Sai Kung, Hong Kong, January stands out as a promising month for sun seekers, boasting a 63% chance of sunny weather. This positive trend in sunshine is complemented by a slightly lower probability in February at 57%, suggesting that early winter remains relatively bright. As the months progress into spring, however, the likelihood of sunny days significantly dips, with March at 42% and April dropping further to 37%. Interestingly, the sunny weather seems to take a turn for the worse as summer approaches, with the chances plummeting to as low as 12% in June. Yet, the first half of the year sees January and February leading the pack for sunlight, making them ideal months for outdoor activities before the rainier season settles in.
In Sai Kung, Hong Kong, January marks the beginning of a gradual increase in daylight, offering 10 hours of sunshine that sets the stage for the month ahead. As February follows, daylight extends to 11 hours, hinting at the approaching spring. March and April enjoy a consistent 12 hours, fully embracing the mild climate. The pattern continues into May and June, where daylight reaches its peak at 13 hours, allowing for plenty of time to revel in the beautiful outdoors. Although July and August maintain this brightness, the days begin to shorten in September, reverting to 12 hours, and further decreasing through October and November. By December, the cycle completes, returning to 10 hours of daylight. This rhythmic change underscores the dynamic seasonal transitions that characterize Sai Kung's enchanting daylight experience.
In Sai Kung, Hong Kong, the January winds embrace you with an average speed of 3.4 m/s (8 mph), setting the tone for a relatively gentle start to the year. This marks a slight increase compared to February and March, which see winds drop to 3.0 m/s and 3.3 m/s respectively. As spring approaches in April, wind speeds stabilize back to January's level, hinting at a breezy transition ahead. However, as summer rolls in, wind speeds steadily decline, reaching a low of 2.4 m/s in August, suggesting a calm, tranquil atmosphere. By October, the winds pick up again, peaking at 4.3 m/s (10 mph), invigorating the air before transitioning back into the cooler months of November and December. Overall, January serves as a refreshing prelude to a seasonal dance of winds, from gentle breezes to invigorating gusts, illustrating the dynamic climate of this beautiful coastal region.
Weather in Sai Kung varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Sai Kung, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, temperatures in Sai Kung range from a minimum of 6°C (42°F) to a maximum of 25°C (78°F), with an average temperature of 16°C (62°F). The month sees relatively low precipitation, totaling just 16 mm (0.6 in) over 2 days, and humidity levels at around 64%. In contrast, February experiences slightly cooler minimum temperatures at 5°C (42°F) but boasts a higher average temperature of 17°C (62°F) and a maximum of 26°C (79°F). However, the month is wetter, receiving 43 mm (1.7 in) of rainfall over 6 days, with humidity increasing to 68%. For a more detailed outlook, check out the Sai Kung weather in February.
In January, the weather is generally mild, with temperatures ranging from a minimum of 6°C (42°F) to a comfortable maximum of 25°C (78°F). The month experiences relatively low precipitation, only 16 mm (0.6 in) over just two days, and the humidity sits at a moderate 64%.
In contrast, March brings warmer temperatures, with a minimum of 11°C (51°F) and a maximum of 29°C (85°F), marking a significant increase in warmth. However, it also sees more rainfall, totaling 59 mm (2.3 in) over 11 days, and the humidity rises to 73%. For more specific details about the weather patterns in March, you can visit Sai Kung weather in March.
In January, the weather is notably cooler, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 25°C (78°F) and an average of 16°C (62°F). The month experiences limited precipitation, totaling 16 mm (0.6 in) over just 2 days, and humidity levels sit at 64%. In contrast, April brings warmer temperatures, with a minimum of 13°C (56°F) and soaring highs of 31°C (89°F), averaging 23°C (73°F). This month sees significantly increased rainfall, reaching 93 mm (3.7 in) spread across 12 days, and humidity slightly rises to 71%. For a detailed look at April's weather, visit Sai Kung weather in April.
In January, weather conditions are significantly cooler, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 25°C (78°F) and an average of 16°C (62°F). The month experiences relatively low precipitation, totaling 16 mm (0.6 in) over just 2 days, accompanied by a humidity level of 64%. In stark contrast, May ushers in warmer temperatures, boasting a minimum of 16°C (61°F) and soaring to a maximum of 35°C (95°F), with an average of 26°C (80°F). However, May also sees a dramatic increase in rainfall, totaling 196 mm (7.7 in) over 21 days, while humidity rises to 79%. This substantial difference highlights the transition from the cooler, drier January to the warm, wet climate of May. For more details, you can check Sai Kung weather in May.
January and June present stark contrasts in weather patterns. In January, temperatures are milder, with a minimum of 6°C (42°F) and an average of 16°C (62°F), peaking at 25°C (78°F). The month sees minimal precipitation, totaling only 16 mm (0.6 in) over just 2 days, while the humidity sits at a comfortable 64%. Conversely, June experiences much warmer temperatures, with a minimum of 24°C (76°F), an average of 28°C (84°F), and a maximum of 34°C (94°F). This month is significantly wetter, with precipitation soaring to 344 mm (13.5 in) spread across 26 days and humidity rising to 77%. For more specific insights, you can check Sai Kung weather in June.
In January, the weather is mild with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 25°C (78°F), and the average temperature sits around 16°C (62°F). Precipitation is relatively low at 16 mm (0.6 in), occurring on just 2 days, and humidity levels are moderate at 64%. In contrast, July experiences much hotter conditions, with temperatures starting at a minimum of 25°C (77°F) and reaching highs of 36°C (97°F), resulting in an average temperature of 29°C (85°F). The month is characterized by significant rainfall, with 213 mm (8.4 in) spread over 26 days, and humidity levels soaring to 88%. For more details on the summer weather, check Sai Kung weather in July.
The weather in January is noticeably cooler and drier compared to August. In January, temperatures range from a low of 6°C (42°F) to a comfortable high of 25°C (78°F), accompanied by low precipitation of only 16 mm (0.6 in) over two days and a humidity level of 64%. In contrast, August is characterized by significantly higher temperatures, with a minimum of 25°C (77°F) and a maximum reaching 36°C (97°F). This month experiences heavy rainfall, totaling 362 mm (14.2 in) across 26 days, and elevated humidity at 88%. For more specific details on August weather, you can visit Sai Kung weather in August.
In January, the weather is generally mild, with temperatures ranging from a minimum of 6°C (42°F) to a maximum of 25°C (78°F) and an average of 16°C (62°F). The month sees relatively low precipitation, only about 16 mm (0.6 in) over two days, and the humidity averages around 64%.
Conversely, September experiences much warmer conditions, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 34°C (94°F) and an average temperature of 28°C (83°F). This month is considerably wetter, with a significant 215 mm (8.5 in) of rainfall spread across 22 days, and humidity levels are higher at 75%. For a more detailed look at the weather conditions, check out Sai Kung weather in September.
In January, Sai Kung experiences milder temperatures, with a minimum of 6°C (42°F) and an average of 16°C (62°F), peaking at 25°C (78°F). The month is relatively dry, with only 16 mm (0.6 in) of precipitation over just 2 days and humidity around 64%. In contrast, October brings warmer weather, featuring a minimum of 16°C (60°F) and an average of 25°C (78°F), escalating to a maximum of 34°C (93°F). However, this month is significantly wetter, receiving 161 mm (6.3 in) of rainfall over 10 days, with humidity slightly higher at 65%. For more details, you can check Sai Kung weather in October.
January and November exhibit notable differences in weather conditions. In January, temperatures range from a minimum of 6°C (42°F) to a maximum of 25°C (78°F), with an average of 16°C (62°F), while November enjoys milder temperatures, with a minimum of 14°C (58°F), an average of 22°C (72°F), and a maximum of 29°C (85°F). Additionally, January tends to be drier, receiving only 16 mm (0.6 in) of precipitation over 2 days compared to November's 29 mm (1.1 in) spread over 4 days. Both months share a humidity level of 64%, but the overall feel of the weather distinctly warms up in November. For more specifics on the November climate, you can check Sai Kung weather in November.
In January, the weather sees slightly cooler temperatures compared to December, with average highs of 25°C (78°F) versus December's 27°C (81°F). The minimum temperature in January is lower at 6°C (42°F) compared to December's minimum of 8°C (46°F). Additionally, January experiences less precipitation, with only 16 mm (0.6 in) over 2 days, while December records 21 mm (0.8 in) over 3 days. Humidity levels are also marginally lower in January at 64%, compared to December's 69%. For more details on the December weather, visit Sai Kung weather in December.
January in Sai Kung offers a refreshing reprieve from the sweltering heat of other months, showcasing milder temperatures that hover around a comfortable average of 16°C (62°F). With only a couple of days of light rain and relatively low humidity levels at 64%, it's a perfect time for outdoor activities without the stifling mugginess typical of summer. This month strikes a unique balance between cool and pleasant, making it an ideal time to explore Sai Kung’s natural beauty. For a deeper dive into the region's climate patterns, check out Sai Kung Climate.