Climate and monthly weather forecast
Hong Kong

Hong Kong, a special administrative region of China, is located on the southeastern coast of the country, boasting a substantial amount of coastline as it sits along the South China Sea. Its geography consists of steep, hilly terrain, numerous islands, and an urban landscape characterized by high-rises and dense buildings. As per the Köppen system, Hong Kong has a Humid Subtropical Climate, denoted as "Cfa", meaning it experiences high temperatures and even distribution of rainfall throughout the year. The average temperature in Hong Kong ranges from 16°C (60.8°F) in the coolest month to 29°C (84.2°F) during the hottest month. Annual precipitation reaches up to 2,398mm (15.67"), ensuring a high level of humidity. The climate is deeply influenced by monsoons and seasonal winds, resulting in distinct weather changes in different periods of the year.

The most pleasant time to visit Hong Kong is during the autumn months, from October to early December. During this period, the city experiences mild and sunny weather, with clear blue skies and moderate to low humidity levels. The temperatures usually range from 20°C (68°F) to 28°C (82.4°F), which are ideal for outdoor activities and sightseeing. This is the perfect time to explore Hong Kong's mesmerizing skyline, lush nature parks, and bustling markets without worrying about extreme weather conditions. Moreover, many cultural events and festivals take place during this period, adding more charm to a visitor's experience.

The least favorable period to visit Hong Kong is during the summer, from June to September, which corresponds with the typhoon season. During this time, the region experiences hot, oppressive weather with high humidity, and temperatures often climbing to over 31°C (87.8°F). Moreover, summer is characterized by heavy rainfall and intense storms that can disrupt travel plans. Even daily activities can become difficult due to the persistent high temperatures and high humidity levels. Therefore, unless it is essential, it is recommended to avoid visiting Hong Kong during the summer months.

Spring in Hong Kong runs from March to mid-May and brings warm, humid weather. The average temperature ranges from 20°C (68°F) to 26°C (78.8°F), with humidity levels steadily increasing as the season progresses. Rainfall starts to pick up, averaging 70 to 200mm (7.87") monthly. Spring is also the time when fog and mist are common, especially in the highland areas, which can impact visibility. Despite the humidity and occasional rain, spring in Hong Kong can be quite enjoyable with blooming flowers and the city's green spaces coming to life.

Summer, from late May to September, is the hottest, rainiest, and most humid season in Hong Kong. Temperatures frequently exceed 31°C (87.8°F), and the humidity often reaches 80% or more. This season sees the most significant amount of rainfall, with monthly averages reaching up to 300-400mm (-15.75"). The frequent heavy rains are due to the summer monsoon and occasional typhoons. During the peak of summer, outdoor activities can be somewhat uncomfortable due to the sweltering heat and high humidity.

Autumn in Hong Kong lasts from October to early December and is generally considered the most pleasant season. The weather is usually sunny and dry, with comfortable temperatures ranging from 20°C (68°F) to 28°C (82.4°F). Rainfall decreases significantly compared to summer, averaging 30 to 50mm (1.97") monthly, and humidity levels drop, making the weather much more comfortable. The clear skies and mild weather of autumn are ideal for enjoying outdoor activities and exploring the city's scenic beauty.

Winter in Hong Kong, from mid-December to February, is mild and dry compared to many other regions at similar latitudes. The temperatures are generally comfortable, ranging from 14°C (57.2°F) to 20°C (68°F), but occasionally, cold fronts can lower temperatures to 10°C (50°F). While snow is extremely rare in Hong Kong, frost can occur in the New Territories and other highland areas. The winter months are the driest, with monthly rainfall averaging 20 to 30mm (1.18"). The low humidity and cool temperatures make winter an excellent time for hiking and other outdoor activities.

January in Hong Kong signals the heart of the winter season. This month generally experiences the coldest temperatures of the year, with average lows dipping to 14°C (57.2°F) and highs reaching about 18°C (64.4°F). However, occasional cold fronts can cause temperatures to drop even further, sometimes as low as 10°C (50°F), particularly in the New Territories and other elevated areas. As Hong Kong's urban landscape is similar across the region, weather conditions do not significantly vary from city to city. Weather in January »

February signifies the tail end of winter in Hong Kong. During this month, the city experiences a slight increase in temperatures compared to January, with average lows rising to 15°C (59°F) and average highs reaching 19°C (66.2°F). Weather in February »

March in Hong Kong marks the beginning of the spring season. During this month, the city sees a significant increase in temperatures compared to February, with average lows around 17°C (62.6°F) and highs reaching approximately 21°C (69.8°F). Weather in March »

April signals the height of spring in Hong Kong, and the weather is usually mild and enjoyable. Temperatures rise notably compared to March, with average lows around 20°C (68°F) and average highs reaching approximately 25°C (77°F). Weather in April »

May marks the transition from spring to early summer in Hong Kong. It is characterized by warmer temperatures and increased rainfall. The average low temperature for this month is around 24°C (75.2°F), while the average high temperature reaches approximately 28°C (82.4°F). Weather in May »

June ushers in the start of the hot and humid summer season in Hong Kong. The temperatures in June tend to range from an average low of 26°C (78.8°F) to an average high of approximately 30°C (86°F). However, heatwaves can occasionally drive the temperatures even higher. As always, the weather conditions across Hong Kong remain fairly consistent, but the outlying islands and hilly regions may experience slightly cooler temperatures than the downtown and urban areas, owing to their geographical location and altitude. June experiences a significant increase in rainfall compared to May, with an average precipitation of 400mm (15.75"). Weather in June »

July in Hong Kong is in the heart of the summer season, characterized by hot temperatures and high humidity. The temperatures in July are consistently high, with an average low of 27°C (80.6°F) and an average high reaching up to 31°C (87.8°F). Weather in July »

August is typically the hottest month of the year in Hong Kong, with consistently high temperatures and humidity levels. The average low temperature for this month is around 27°C (80.6°F), while the average high temperature can reach up to 31°C (87.8°F). Weather in August »

September in Hong Kong marks the transition from the hot, humid summer to the more temperate autumn. The temperatures begin to decrease slightly, with average lows around 26°C (78.8°F) and average highs reaching approximately 30°C (86°F). Weather in September »

October in Hong Kong signals the full arrival of autumn, a season much welcomed after the hot and humid summer. This month sees a notable decrease in temperatures compared to September, with average lows around 22°C (71.6°F) and highs reaching approximately 28°C (82.4°F). Weather in October »

November in Hong Kong marks a further transition into the cooler autumn season. The temperatures in November drop compared to October, with average lows around 18°C (64.4°F) and average highs reaching approximately 24°C (75.2°F). Weather in November »

December in Hong Kong signals the start of the cool and dry winter season. Temperatures in December are considerably cooler than in November, with average lows around 15°C (59°F) and average highs reaching approximately 20°C (68°F). Weather in December »