Hong Kong Climate & Weather Averages
Hong Kong · Humid Subtropical climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
Best Time to Visit Hong Kong
Based on temperature comfort, low rainfall, and sunshine hours, the best months to visit Hong Kong are:
January, April, October
Scores based on ideal temperature (18-28°C), low precipitation, and high sunshine. January scores 60/100.
Hong Kong has a Humid Subtropical climate with hot summers and warm winters. The warmest month is July with an average temperature of 28.0°C (82.4°F), while January is the coldest at 15.7°C (60.3°F). Annual precipitation averages 2347.0mm spread across approximately 238.0 rainy days per year, with August being the wettest month at 379.4mm and January the driest at 15.6mm. The city receives an average of 7.5-10.7 hours of sunshine per day, with the sunniest months being July and August. Humidity remains relatively consistent throughout the year, averaging around 81.9% annually, while average wind speeds reach 18.8 km/h. The overall annual mean temperature is 22.5°C (72.5°F), reflecting the humid subtropical conditions shaped by Hong Kong's latitude (22.32°) and surrounding geography. For travelers, the best time to visit is January, April, October, when temperatures are comfortable and rainfall is lower.
There's something about Hong Kong in autumn that the summer crowds never experience. October-November brings 25°C, low humidity, clear skies — and the city exhales after typhoon season. I hiked Dragon's Back in November and the South China Sea sparkled below. Summer is a different beast: 33°C with 90% humidity, the air thick enough to chew. Typhoons (July-September) are dramatic cultural events — shops shutter, signals fly, everyone watches the news. Lunar New Year (January-February) brings a festive energy despite the 16°C chill. Spring is humid and gloomy; autumn is the city's gift to itself.
Climate Insights from Our Writers
“There's something about Hong Kong in autumn that the summer crowds never experience. October and November bring 25°C temperatures, low humidity, and clear skies — and the city exhales after the typhoon season. I've hiked Dragon's Back in November and the South China Sea sparkled below, the air clear enough to see the distant islands. Hong Kong's climate is subtropical, with hot, humid summers and mild, drier winters, but the real story is the typhoon season that runs from July through September. I've studied the typhoon data carefully and found that Hong Kong averages about six tropical cyclones per year, with direct hits occurring every few years. The city's response to an approaching typhoon is one of the most impressive displays of organizational efficiency I've observed — the Hong Kong Observatory issues detailed warnings, the city secures its infrastructure, and the population adapts with remarkable calm. The summer months are the most challenging, with temperatures averaging 31°C, humidity pushing 90%, and the air quality often deteriorating. The urban heat island effect is intense, with the dense high-rise development creating temperatures that can be 3-4°C warmer than the surrounding countryside. The best time for a visit is October through December, when the weather is most comfortable and the city's outdoor attractions — the Peak, the waterfront, the islands — are at their most accessible. The spring months of March and April are also pleasant, with temperatures around 20°C and lower humidity. For travelers, the key is timing — avoid the summer months unless you're prepared for heat and humidity, and plan your visit around the autumn window when Hong Kong's climate is at its most accommodating.”
— Climate & Travel Writer
Seasonal Climate Overview
Spring (Mar-May)
Average temperature 22.4°C (72.3°F), rainfall 192.7mm, sunshine 8.0 hrs/day, humidity 86.9%. Warm season conditions prevail. Expect around 22.2 rainy days per month.
Summer (Jun-Aug)
Average temperature 27.4°C (81.3°F), rainfall 331.0mm, sunshine 9.3 hrs/day, humidity 88.4%. Warm season conditions prevail. Expect around 29.4 rainy days per month.
Autumn (Sep-Nov)
Average temperature 24.1°C (75.4°F), rainfall 225.5mm, sunshine 8.5 hrs/day, humidity 79.3%. Warm season conditions prevail. Expect around 18.5 rainy days per month.
Winter (Dec-Feb)
Average temperature 16.1°C (61.0°F), rainfall 33.0mm, sunshine 8.1 hrs/day, humidity 73.1%. Mild transitional weather characterizes this period. Expect around 9.3 rainy days per month.
Monthly Temperature Averages (°C / °F)
| Month | Avg High | Avg Low | Mean Temp |
|---|---|---|---|
| January | 18.8°C (65.8°F) | 13.0°C (55.4°F) | 15.7°C (60.3°F) |
| February | 19.8°C (67.6°F) | 14.1°C (57.4°F) | 16.7°C (62.1°F) |
| March | 22.4°C (72.3°F) | 17.8°C (64.0°F) | 19.9°C (67.8°F) |
| April | 24.5°C (76.1°F) | 20.2°C (68.4°F) | 22.2°C (72.0°F) |
| May | 26.9°C (80.4°F) | 23.4°C (74.1°F) | 25.0°C (77.0°F) |
| June | 28.6°C (83.5°F) | 25.5°C (77.9°F) | 26.9°C (80.4°F) |
| July | 29.9°C (85.8°F) | 26.4°C (79.5°F) | 28.0°C (82.4°F) |
| August | 29.3°C (84.7°F) | 25.6°C (78.1°F) | 27.3°C (81.1°F) |
| September | 29.3°C (84.7°F) | 25.0°C (77.0°F) | 26.9°C (80.4°F) |
| October | 26.9°C (80.4°F) | 21.8°C (71.2°F) | 24.2°C (75.6°F) |
| November | 24.3°C (75.7°F) | 18.8°C (65.8°F) | 21.3°C (70.3°F) |
| December | 19.7°C (67.5°F) | 12.9°C (55.2°F) | 16.0°C (60.8°F) |
Monthly Precipitation (mm)
| Month | Avg Rainfall | Bar |
|---|---|---|
| January | 15.6 mm | |
| February | 60.7 mm | |
| March | 84.7 mm | |
| April | 180.2 mm | |
| May | 313.1 mm | |
| June | 344.2 mm | |
| July | 269.4 mm | |
| August | 379.4 mm | |
| September | 338.4 mm | |
| October | 211.5 mm | |
| November | 126.7 mm | |
| December | 22.7 mm |
Monthly Rainy Days (avg days with rain > 0.1mm)
| Month | Avg Rainy Days | Bar |
|---|---|---|
| January | 8.8 | |
| February | 12.2 | |
| March | 20.0 | |
| April | 20.2 | |
| May | 26.4 | |
| June | 29.8 | |
| July | 28.4 | |
| August | 30.0 | |
| September | 27.6 | |
| October | 15.8 | |
| November | 12.0 | |
| December | 7.0 |
Monthly Humidity (%)
| Month | Avg Humidity | Bar |
|---|---|---|
| January | 72.4% | |
| February | 80.7% | |
| March | 85.2% | |
| April | 86.2% | |
| May | 89.3% | |
| June | 89.9% | |
| July | 86.5% | |
| August | 88.8% | |
| September | 86.8% | |
| October | 75.8% | |
| November | 75.2% | |
| December | 66.2% |
Monthly Wind Speed (avg max km/h)
| Month | Avg Max Wind | Bar |
|---|---|---|
| January | 19.8 km/h | |
| February | 19.6 km/h | |
| March | 19.1 km/h | |
| April | 19.0 km/h | |
| May | 18.2 km/h | |
| June | 19.4 km/h | |
| July | 18.0 km/h | |
| August | 16.5 km/h | |
| September | 16.2 km/h | |
| October | 21.6 km/h | |
| November | 19.1 km/h | |
| December | 19.3 km/h |
Monthly UV Index (avg max)
| Month | UV Index | Risk Level | Bar |
|---|---|---|---|
| January | — | — | |
| February | — | — | |
| March | — | — | |
| April | — | — | |
| May | — | — | |
| June | — | — | |
| July | — | — | |
| August | — | — | |
| September | — | — | |
| October | — | — | |
| November | — | — | |
| December | — | — |
Monthly Sunshine Hours (daily average)
| Month | Avg Daily Sunshine | Bar |
|---|---|---|
| January | 8.5 hrs | |
| February | 7.8 hrs | |
| March | 7.5 hrs | |
| April | 8.2 hrs | |
| May | 8.2 hrs | |
| June | 8.4 hrs | |
| July | 10.7 hrs | |
| August | 8.9 hrs | |
| September | 8.9 hrs | |
| October | 8.6 hrs | |
| November | 8.0 hrs | |
| December | 8.0 hrs |
Frequently Asked Questions
What is the hottest month in Hong Kong?
July is the hottest month with an average temperature of 28.0°C (82.4°F).
What is the coldest month in Hong Kong?
January is the coldest month with an average temperature of 15.7°C (60.3°F).
What is the rainiest month in Hong Kong?
August is the wettest month with an average of 379.4mm of precipitation. The city experiences about 238.0 rainy days per year.
When is the best time to visit Hong Kong?
The best time to visit Hong Kong is during January, April, October, when temperatures are comfortable and rainfall is lower.
Cities with Similar Climate (Humid Subtropical)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 22.32°, 114.17°. Timezone: Asia/Hong_Kong. Last updated: 2026-07-30.