Hong Kong weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Excellent
Best time to visit: October – February
What is the weather like in Hong Kong in January?
In January, Hong Kong is mild: daytime highs average 19 °C, and nights cool down to about 14 °C. The sea averages 19.5 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain falls on about 5 days, adding up to 31 mm. All in all, January is an excellent month for a holiday in Hong Kong.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 90 | 86 | 78 |
| Day | 20° | 19° | 20° |
| Night | 15° | 14° | 15° |
| Sea | 21° | 20° | 20° |
| Sun | 6 h | 6 h | 5 h |
| Rain days | 4 | 5 | 7 |
More details for January
- Daylight
- 10 h 54 min07:05 – 17:59
- UV index
- 6 · highclear sky, noon (estimate)
- Muggy days
- 1 daydew point 18 °C or more
- Wind
- 17 km/haverage daily peak
- Cloud cover
- 53 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+8Asia/Hong_Kong
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %43 %
- Few rainy daysweight 30 %91 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Wetsuit for longer swims
- Sunscreen
- A jumper for the evenings
Hong Kong in January: quick answers
Is Hong Kong hot in January?
No. In January, Hong Kong is mild: daytime highs average 19 °C and nights drop to about 14 °C.
Can you swim in Hong Kong in January?
Only if you don't mind cold water: in January the sea averages just 19.5 °C. Comfortable swimming is possible from March to December.
Does it rain much in Hong Kong in January?
Rain falls on about 5 days, adding up to 31 mm.
Hong Kong month by month
The whole year in Hong KongAll destinations: Hong Kong
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)