Climate and monthly weather forecastKowloon, Hong Kong
Climate and monthly weather forecast
The climate of Kowloon
Reflecting its location, Kowloon is characterized by a Humid subtropical climate with a dry winter, as classified by the Köppen climate system. This classification, Cwa, signals that this region experiences a significant level of rainfall throughout the year, excluding winter. Expressing this in numbers, the city is illuminated approximately from 10.8 hours to 13.5 hours daily and the sea temperature fluctuates between 18.9°C (66°F) and 29.1°C (84.4°F) during the year.Throughout the year, weather patterns follow a consistent trend. The daylight hours gradually increase from 10.9 hours in January to a peak of 13.5 hours in June. Following this, there is a gradual decrease towards the end of the year. Sea temperatures showcase a similar pattern, albeit more pronounced. Starting from a cooler 19.1°C (66.4°F) in January, they rise steadily, culminating at the sweltering 29.1°C (84.4°F) in July, and then cooling off to 21°C (69.8°F) at the tail-end of the year in December. This indicates a clear relation between the daylight hours and sea temperatures, with both peaking in the middle of the year.
Within this yearly synopsis, certain patterns and anomalies become noticeable. Daylight hours have minor oscillation between 11.1 hours and 13.5 hours. On the contrary, sea temperatures show more variation, with the lowest being 18.9°C (66°F) in February and the highest 29.1°C (84.4°F) in July. The sheer difference of 10.2°C (50.4°F) is a distinct feature of Kowloon’s weather.
The best time to visit Kowloon
Given the overall climate parameters, the seasons with moderate temperatures and optimal daylight hours are the best for visiting Kowloon. Specifically, between April and June, when sea temperatures range from 22.8°C (73°F) to 28.4°C (83.1°F) and the city enjoys between 12.7 hours and 13.5 hours of daylight. This period gives tourists an ample window to savor the scenic beauty of Kowloon while enjoying pleasant weather.The worst time to visit Kowloon
On the contrary, the chilly sea temperatures between 18.9°C (66°F) and 21°C (69.8°F) from January to March, combined with relatively shorter daylight hours between 10.8 hours and 12 hours, give fewer opportunities for activities. Thus, this period may not be the most ideal for a visit to Kowloon.Spring weather in Kowloon
Springtime in Kowloon, from March to May, witnesses an escalation in both daylight and sea temperature. Specifically, daylight gradually rises from 12 hours to 13.2 hours, whereas sea temperatures warm up from 20.2°C (68.4°F) to 26.8°C (80.2°F). This combination of sufficient daylight and amiable sea temperature ordains spring as a comfortable season.Summer weather in Kowloon
Summer in Kowloon, from June to August, is marked by the highest sea temperatures of the year, moving from 28.4°C (83.1°F) to 28.7°C (83.7°F). Accompanying this is the longest daylight of the year, from 13.5 hours to 12.9 hours. This makes summer an extremely inviting season, especially for water-related recreational activities.Autumn weather in Kowloon
Autumn weather, from September to November, witnesses a decline in both sea temperatures and daylight hours. Precisely, the sea temperature drops from 28.3°C (82.9°F) to 24.3°C (75.7°F) and daylight hours lessen from 12.3 hours to 11.1 hours. The drop in temperature and light during autumn brings forth a different, serene ambiance to Kowloon.Winter weather in Kowloon
Winter in Kowloon is relatively milder with sea temperatures descending from 21°C (69.8°F) to 19.1°C (66.4°F) between December and February. The daylight hours during this season recede from 10.8 hours to 10.9 hours. While the lower temperatures and slimmer daylight might deter some, they contribute to a quiet charm unique to Kowloon's winters.Weather in January
With an average sea temperature of 19.1°C (66.4°F), January records some of the lowest values in Kowloon. This makes it a rather chilly time for water activities around the region. In comparison to December, the daylight hours increase slightly, signalling the slow but steady shift towards warmer seasons. Weather in January »Weather in February
Sea temperatures in February display a minimal decrease from January, setting the final trends of the wintry chill in Kowloon's climate. During this month, the daylight duration increases as days gradually become longer. As compared to January, there are distinct transitions in weather patterns, with an emphasis on a more temperate climate. Weather in February »Weather in March
With a sea temperature that climbs to 20.2°C (68.4°F), March marks a noticeable rise from the previous month. This warming trend reveals the onset of spring in Kowloon. The weather is comfortably cool, with just the right amount of sunshine as the daylight hours increase noticeably. Weather in March »Weather in April
April brings a significant rise in sea temperature, reaching an average of 22.8°C (73°F). The increase in temperature is reflective of the steady advancement into the warmer months. The lengthening of daylight hours continues to offer ideal conditions for outdoor activities. Weather in April »Weather in May
May's sea temperature rises to a balmy 26.8°C (80.2°F), reflecting the clear transition towards the height of summer. The increased temperatures and lengthening daylight hours create a warm and welcoming ambiance across Kowloon. This month delights residents and visitors alike with brilliantly sunny days, balanced with occasional bouts of refreshing showers. Weather in May »Weather in June
The sea temperature peaks at 28.4°C (83.1°F) in June, signifying the middle of the hot season. The daylight hours also reach their maxima, resulting in long, bright days. Despite the heat, there is a certain charm to Kowloon's June weather. Weather in June »Weather in July
July sees the sea temperature peaking at 29.1°C (84.4°F), the highest recorded in the whole year. As daylight hours remain at their longest, the city experiences consistent hot and humid condition throughout the days. Despite the high temperatures, Kowloon’s active lifestyle continues unabated, fueled by the vibrant spirit of summer. Weather in July »Weather in August
August experiences a mild decline in sea temperature to 28.7°C (83.7°F). While daylight hours start to decrease, summer in Kowloon still retains its warmth and vibrancy. The transition towards the less heated months becomes subtly evident as the month progresses. Weather in August »Weather in September
September marks a further drop in sea temperature to 28.3°C (82.9°F). The daylight duration also reduces gradually, symbolizing a slow but sure step towards fall. As the hot summer peels off, a distinctly pleasant and welcoming tone starts to take over the climate. Weather in September »Weather in October
The sea temperature decreases to a moderate 26.5°C (79.7°F) in October. With reducing daylight hours, the onset of fall becomes more pronounced across Kowloon. The region becomes a sight to behold, adorned with the hues of fall. Weather in October »Weather in November
November comes with a further drop in sea temperature to 24.3°C (75.7°F). Daylight hours decrease, setting the stage for an incoming winter season. The weather, overall, is calmer with a noticeable chill in the air, especially towards the end of the month. Weather in November »Weather in December
December sees the sea temperature dropping further to 21°C (69.8°F). The progression into the cooler season is quite visible, with daylight time also at its yearly minimum. As the days shorten and temperatures continue to fall, the winter season in Kowloon comes in full swing. Weather in December »Updated: Feb 19, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With an average sea temperature of 18.9°C (66°F), February is the month with the coldest seawater.
June has the longest days of the year in Kowloon, with an average of 13h and 30min of daylight.
With an average sea temperature of 29.1°C (84.4°F), July is the month with the warmest seawater in Kowloon, Hong Kong.
December has the shortest days of the year in Kowloon, with an average of 10h and 48min of daylight.
Kowloon does not utilize Daylight Saving Time (DST). HKT timezone is used over the entire year.
Average sea temperature
Kowloon, Hong Kong
The best month for swimming (with the highest average sea temperature) is July (29.1°C).
The coldest month (with the lowest average sea temperature) is February (18.9°C).
Average daylight
Kowloon, Hong Kong
- Average daylight in January:
10h and 54min - Average daylight in February:
11h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 42min - Average daylight in May:
13h and 12min - Average daylight in June:
13h and 30min
- Average daylight in July:
13h and 24min - Average daylight in August:
12h and 54min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
11h and 6min - Average daylight in December:
10h and 48min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).





