Weather in Hong Kong
Live weather and 7-day forecast for Hong Kong, Hong Kong, followed by what to expect in each month of the year.
Sunrise 06:23 Sunset 17:54 Daylight 11h 31m Sun times →
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7-day forecast
Forecast data from Open-Meteo
Climate in Hong Kong: month by month
Averaged over 2023–2025, the warmest month in Hong Kong is July, with highs around 30 °C (87 °F) and lows around 26 °C (79 °F); the coolest is January, with highs around 19 °C (66 °F) and lows around 12 °C (54 °F).
Hong Kong gets about 2,309 mm (91 in) of precipitation a year. The wettest month is September (410 mm over about 24 days) and the driest is December (7 mm).
| Month | Avg high | Avg low | Precipitation (mm) | Wet days | Daylight |
|---|---|---|---|---|---|
| January | 19° | 12° | 20 | 6 | 10h 54m |
| February | 20° | 14° | 22 | 7 | 11h 24m |
| March | 22° | 17° | 91 | 13 | 12h 0m |
| April | 26° | 21° | 258 | 18 | 12h 39m |
| May | 27° | 23° | 278 | 22 | 13h 12m |
| June | 29° | 25° | 334 | 28 | 13h 29m |
| July | 30° | 26° | 334 | 25 | 13h 23m |
| August | 30° | 25° | 329 | 27 | 12h 55m |
| September | 30° | 25° | 410 | 24 | 12h 18m |
| October | 28° | 22° | 119 | 13 | 11h 40m |
| November | 25° | 18° | 107 | 6 | 11h 5m |
| December | 21° | 14° | 7 | 3 | 10h 47m |
Averages of daily values from the ERA5 reanalysis for 2023–2025 at Hong Kong's coordinates (model elevation 21 m), via Open-Meteo (CC BY 4.0). Three recent years are not a 30-year climate normal; reanalysis smooths local extremes and tends to count more light-rain days than a rain gauge would. Daylight is sunrise to sunset on the 15th of each month.
Weather questions for Hong Kong
What is the hottest month in Hong Kong?
July, with average highs of 30 °C (87 °F) and lows of 26 °C (79 °F) over 2023–2025. The coolest month is January, averaging 19 °C (66 °F) by day and 12 °C (54 °F) at night.
What is the rainiest month in Hong Kong?
September, with about 410 mm of precipitation on roughly 24 days. The driest month is December (7 mm), and the yearly total is around 2,309 mm.
When is the weather mildest in Hong Kong?
Going by the averages, November–April are the months with average daytime highs between 18 °C and 27 °C (64–81 °F) — warm but not hot. September is the month most likely to bring rain.
More about Hong Kong
More for Hong Kong
More for Hong Kong: local time, sunrise and sunset, moon phases, and the exact time zone.
About this forecast
The live forecast comes from Open-Meteo, which blends models from national weather services and is fetched fresh in your browser on each visit. Times in the hourly outlook are Hong Kong local time (Asia/Hong_Kong).