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Weather in Гонконг by month: what to expect

Photo: ZhuWahDaSeeMcYanSze, CC0

Weather overview

Гонконг enjoys a subtropical climate with distinct wet and dry seasons. From November to March, the weather is mild and dry, making it the most comfortable time to explore the city. April and May bring warmer temperatures and occasional rain, while the summer months—June through September—are hot, humid, and prone to heavy downpours.

Travelers visiting Гонконг in October or November will find pleasant conditions, with lower humidity and fewer crowds. The winter months, December to February, offer cool evenings around +14...+19 °C, while daytime temperatures remain comfortable. If you prefer avoiding rain, plan your trip outside the peak wet season.

Temperature

Temperatures in Гонконг vary significantly throughout the year. In January, the coolest month, averages hover around +16.6 °C, with nights dipping to +13.8 °C. By May, the heat builds, reaching +26.2 °C, and peaks in July and August at nearly +29 °C. Evenings remain warm, rarely dropping below +26 °C during these months.

The transition months—March to April and October to November—offer the most balanced weather. March sees temperatures rise to +19.6 °C, while November cools to +22.4 °C. If you dislike extreme heat, avoid Гонконг in July and August, when humidity amplifies the +31 °C daytime highs.

Water temperatures follow a similar pattern, warming from +18.2 °C in January to +30.9 °C in July. Even in cooler months, the sea remains swimmable, though December and January may feel chilly for some at +20.8 °C.

Average air temperature °C
Average air temperature
Month Minimum Maximum
January 13.8 19.4
February 14.6 20.1
March 17 22.2
April 20.4 25.6
May 23.8 28.6
June 25.9 30.4
July 26.4 31.3
August 26.1 31.3
September 25.4 30.6
October 23.3 28.4
November 19.5 25.2
December 14.9 21.2

Precipitation

Гонконг experiences its driest period from November to February, with monthly rainfall as low as 22.8 mm in January. However, the wet season begins in April, with precipitation jumping to 144.3 mm, and peaks in June at 493.4 mm. Heavy rain and occasional typhoons are common from June to September.

If you visit Гонконг during the wet season, expect sudden downpours, especially in May and August, when rainfall exceeds 270 mm per month. October marks the start of the dry season, with precipitation dropping to 92.4 mm. For the most reliable weather, aim for November or December, when rain is minimal and humidity is lower.

Despite the rain, Гонконг rarely stays gloomy for long. Even in June, the city averages 4.7 hours of sunshine per day. The sunniest months—July and October—offer up to 6.4 hours of daylight, making outdoor activities enjoyable between showers.

Precipitation amount mm
Precipitation amount
Month Precipitation
January 22.8
February 39.3
March 70.3
April 144.3
May 279.5
June 493.4
July 380.9
August 453.3
September 330.6
October 92.4
November 35.8
December 30.5

What to pack

For a trip to Гонконг in December or January, pack layers for cool evenings, including a light jacket or sweater for temperatures around +14 °C. Daytime remains mild, so breathable fabrics work well. If visiting in March or April, bring a mix of short sleeves and a light rain jacket for occasional showers.

Summer in Гонконг demands lightweight, moisture-wicking clothing to combat +31 °C heat and high humidity. A compact umbrella is essential for sudden downpours, especially from May to September. Sunglasses and sunscreen are a must year-round, as even winter days can be bright with 5+ hours of sunshine.

If your trip includes outdoor activities, consider quick-dry fabrics and comfortable walking shoes. For visits in October or November, a light scarf or shawl helps with cooler mornings and evenings. No matter the season, a reusable water bottle will keep you hydrated in Гонконг’s often warm and humid climate.