Yuen Long Climate

Last updated: January 18, 2025

Yuen Long, located in Hong Kong, exhibits a Cwa climate classification, characterized by distinct seasonal variations in temperature. The region experiences a minimum temperature of 6°C (42°F) in February, signifying cooler winter months, while summer peaks with a maximum of 36°C (97°F) in August. The average annual temperature stands at a comfortable 24°C (75°F), emphasizing the area's subtropical characteristics. This climatic profile not only influences the local ecosystem but also shapes the lifestyle and activities within Yuen Long.

Yuen Long temperature by month

Yuen Long, Hong Kong, showcases distinct seasonal temperature patterns throughout the year. Winter months, particularly January and February, feature cooler temperatures, with minimums around 6°C (42°F) and average highs reaching 27°C (81°F) by the end of February. As spring approaches in March and April, there is a gradual increase in warmth, with averages climbing to 23°C (74°F) and maximums peaking at 32°C (91°F) in April. The summer months of May to August bring heat, with average temperatures around 29°C (85°F) and maximums occasionally soaring to 36°C (97°F) in August. By September, temperatures begin to moderate slightly, gradually transitioning into cooler autumn conditions, where October and November present more temperate averages around 25°C (78°F). December marks the return of winter chill with lows dropping to 7°C (45°F), completing the cyclical temperature journey in Yuen Long.

Monthly Temperatures in Yuen Long, Hong Kong

The chart illustrates Yuen Long's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec626370748083848383777264
Data source: Yuen Long temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

Yuen Long Kau Hui experiences a significant temperature range throughout the year, with February seeing a minimum of 6°C (42°F) and August reaching a maximum of 36°C (97°F). This variation highlights the area's diverse climate conditions, making it important for residents and visitors to prepare accordingly. For more detailed information, check the monthly temperatures in Yuen Long Kau Hui.

Precipitation Patterns in Yuen Long

Yuen Long, Hong Kong, experiences a marked variation in precipitation throughout the year, with a clear distinction between the drier and wetter months. In the winter months of January and February, rainfall is relatively low, measuring 22 mm (0.9 in) and 48 mm (1.9 in), respectively, with only a handful of rainy days—3 in January and 7 in February. As spring unfolds, March and April see a gradual increase, culminating in 100 mm (3.9 in) by April, while the frequency of rainfall days rises to 12. The transition into the summer months signals a significant uptick in precipitation, particularly in May, when rainfall escalates to 193 mm (7.6 in) over approximately 20 days.

The peak of the wet season occurs during June through August, marked by heavy downpours and high total rainfall, notably 351 mm (13.8 in) in June and escalating to 374 mm (14.7 in) in August. This period sees the highest number of rainy days, with June and August both experiencing around 26 days of rainfall. Following this peak, September continues the trend, albeit with a decrease in total precipitation to 219 mm (8.6 in), before tapering off in the autumn months of October and November, where rainfall drops to 151 mm (5.9 in) and 28 mm (1.1 in), respectively. Finally, December concludes the year with minimal precipitation, similar to the beginning of the year, highlighting the region's seasonal contrasts in rainfall.

Monthly Average Precipitation in Yuen Long, Hong Kong

The average monthly precipitation in Yuen Long, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec2248681001933512063742191512822
Data source: Yuen Long precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred precipitation unit

Sunshine Duration in Yuen Long

Yuen Long, Hong Kong, exhibits a clear seasonal trend in sunshine duration, with noticeable increases from winter to summer. In the winter months of January and February, sunshine hours are relatively modest, measuring 215 hours and 249 hours, respectively. As spring approaches, the number of sunny hours gradually rises, peaking in May with an impressive 302 hours of sunshine, which signals the onset of the sunny season. March stands out with 272 hours, demonstrating a steady accumulation of sunlight as the days grow longer. However, April sees a slight dip to 254 hours, likely due to the occasional spring showers that can obscure the sun.

The summer months emerge as the pinnacle of sunshine, particularly in July, when Yuen Long basks in 321 hours of glorious sunlight, making it the sunniest month of the year. Although sunshine duration remains high through August and September—283 hours and 289 hours respectively—the gradual decrease hints at the transition into autumn. October retains a robust 279 hours, while November and December see a slight decline, with 262 hours and 263 hours respectively. This seasonal pattern highlights Yuen Long's characteristically sunny climate, offering a stark contrast between the luminous summers and the comparatively muted sunshine of the winter months.

Monthly Sunshine in Yuen Long, Hong Kong

Monthly sunshine duration represents the total hours of direct sunlight Yuen Long receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec215h249h272h254h302h276h321h283h289h279h262h263h
Data source: Yuen Long sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Yuen Long UV Index Trends

The UV Index in Yuen Long, Hong Kong, reveals significant fluctuations throughout the year, indicating varying levels of sun exposure risk. Beginning with winter months, January presents a UV Index of 7, categorized as high, allowing for a relatively safer burn time of 25 minutes. As February arrives, the UV Index escalates to 10, entering the very high exposure category and reducing burn time to just 15 minutes. This upward trend continues dramatically in March, where the UV Index peaks at 12, classified as extreme, and necessitating caution with a mere 10 minutes of unprotected sun exposure. Such elevated levels persist into April and May, highlighting the necessity for protective measures during these months.

Summer reinforces the extreme category, maintaining a consistently high UV Index of 13 from June through August, while the burn time remains capped at 10 minutes. Even as the seasons transition into autumn, September and October reflect lingering high UV levels, with indices of 12 and 11, respectively. The UV Index finally decreases in November to 9 (very high) and returns to a high level of 7 in December, once again permitting a burn time of 25 minutes. Overall, this data emphasizes the critical importance of UV protection measures throughout most of the year, particularly during the spring and summer months when UV exposure poses the greatest risk.

Monthly Maximum UV Index for Yuen Long, Hong Kong

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Yuen Long. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec710121214131313121197
Data source: Yuen Long UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Daylight Hours in Yuen Long

Yuen Long, Hong Kong, experiences a notable variation in daylight duration throughout the year, marked by a gradual increase from winter to summer. In January, daylight measures only 10 hours, but as February arrives, this increases to 11 hours, signaling the approaching spring. March sees further growth, with daylight extending to 12 hours. Both April and May maintain this trend, with daylight reaching 13 hours by May, which represents the peak of illumination as the days grow longer, allowing for extended hours of outdoor activities.

As summer progresses into June, July, and August, daylight remains consistent at 13 hours, providing ample sunlight. However, as autumn begins in September, daylight begins to decrease again, with hours returning to 12 in September and tapering down to 11 by October and November. Finally, December brings daylight back down to 10 hours, completing the cycle. This seasonal pattern in daylight duration not only shapes Yuen Long's natural environment but also influences the daily life and activities of its residents throughout the year.

Average Monthly Daylight Hours in Yuen Long, Hong Kong

This chart shows the total daylight hours Yuen Long receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec654h683h721h760h792h808h800h772h735h696h663h645h
Data source: Yuen Long daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Yuen Long's Popular Destinations

Yuen Long Kau Hui, Hong Kong, experiences a subtropical climate characterized by distinct seasons. Winter months, from January to March, have mild temperatures ranging from 6°C to 30°C (42°F to 85°F) with relatively low rainfall. In contrast, the summer months of May to August see higher humidity, with temperatures peaking at around 36°C (97°F) and significant rainfall, particularly in June and August, with average precipitation of 351 mm (13.8 in) and 374 mm (14.7 in) respectively. Sunshine is abundant, particularly in July, which enjoys about 321 hours of sunlight. For more details, visit Yuen Long Kau Hui climate.

Conclusion

In conclusion, Yuen Long, Hong Kong, showcases a dynamic climatic profile characterized by diverse temperature ranges, varying precipitation, ample sunshine, high UV Index readings, and fluctuating daylight duration throughout the year. The transition from cooler winter months to hot, humid summers profoundly affects both the natural environment and residents' lifestyles. Understanding these climatic trends—including the peak sunshine months, elevated UV exposure periods, and seasonal shifts in daylight—can aid in promoting outdoor safety and enhancing planning for agricultural and recreational activities. Ultimately, awareness of the region’s climatic intricacies is essential for both residents and visitors to fully appreciate and adapt to life in Yuen Long.

Discover the Climate of Yuen Long's Places

Y