AI-generatedHong Kong at a glance
- Best time
- Oct – Feb
- Warmest month
- Jul · 30°
- Warmest sea
- Jul · 29.0°
- Sunshine a year
- 1,830 h
- Rain a year
- 1,729 mm
- Climate
- Subtropical
- Time zone
- UTC+8
- Elevation
- 60 m
Climate in Hong Kong
Hong Kong has a subtropical climate with warm summers and mild winters. July is the warmest month with average highs of 30 °C, while January is the coolest at 19 °C. With around 1,830 hours of sunshine a year, Hong Kong is moderately sunny; July is the sunniest month with 6.4 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Excellent
Best time to visit: October – February
October is the peak of the typhoon season
A typical day in October
- Morning, 08:00: about 24°
- Midday, 13:00: about 27°
- Afternoon, 16:00: about 27°
- Evening, 20:00: about 25°
- Night, 23:00: about 24°
06:1917:59
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
What is the weather like in Hong Kong in October?
In October, Hong Kong is hot: daytime highs average 27 °C, and even at night it stays warm at around 23 °C. The sea averages 26.9 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 82 mm. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Hong Kong.
More details for October
- Daylight
- 11 h 40 min06:19 – 17:59
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 22 daysdew point 18 °C or more
- Wind
- 16 km/haverage daily peak
- Cloud cover
- 47 %on average
- Hot days
- 1 day30 °C or more
- Time zone
- UTC+8Asia/Hong_Kong
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %57 %
- Few rainy daysweight 30 %75 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
Sea temperature in Hong Kong
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 26.2 – 27.8 °C
Swimming season: Mar – Dec
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Hong Kong ranges from 19.5 °C in January to 29.0 °C in July. It is warm enough for a comfortable swim (20 °C and more) from March to December.
From November to January the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in July, eight out of ten years were between 28.4 and 29.7 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 19.5° | 18.2° | 20.6° | fresh |
| FebruaryFeb | 19.6° | 17.6° | 20.7° | fresh |
| MarchMar | 20.8° | 19.8° | 21.7° | refreshing |
| AprilApr | 23.1° | 22.3° | 24.2° | pleasant |
| MayMay | 26.2° | 25.2° | 27.3° | warm |
| JuneJun | 28.2° | 27.2° | 29.0° | warm |
| JulyJul | 29.0° | 28.4° | 29.7° | very warm |
| AugustAug | 28.9° | 28.3° | 29.5° | warm |
| SeptemberSep | 28.4° | 27.7° | 29.1° | warm |
| OctoberOct | 26.9° | 26.2° | 27.8° | warm |
| NovemberNov | 24.1° | 23.4° | 24.9° | pleasant |
| DecemberDec | 21.1° | 20.1° | 22.1° | refreshing |
Sunshine hours in Hong Kong
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.4 of 11.7 hours of daylight in Hong Kong, 55 % of the day.
Sunshine hours: measured at the weather station 4 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Hong Kong
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 9 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in July (UV 12).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 20 min
- Light brown skin
- about 25 min
- Olive skin
- about 35 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Hong Kong: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Hong Kong has about 8 rainy days with 82 mm of rain in total.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 83 | 19° | 14° | 19.5° | 4.7 h | 5 | 31 |
| FebruaryFeb | 75 | 20° | 15° | 19.6° | 3.6 h | 7 | 42 |
| MarchMar | 66 | 23° | 18° | 20.8° | 3.2 h | 11 | 72 |
| AprilApr | 62 | 25° | 21° | 23.1° | 3.8 h | 14 | 121 |
| MayMay | 51 | 28° | 24° | 26.2° | 4.5 h | 20 | 237 |
| JuneJun | 43 | 29° | 26° | 28.2° | 4.8 h | 23 | 313 |
| JulyJul | 43 | 30° | 26° | 29.0° | 6.4 h | 22 | 236 |
| AugustAug | 42 | 30° | 26° | 28.9° | 5.9 h | 24 | 314 |
| SeptemberSep | 47 | 29° | 25° | 28.4° | 5.8 h | 17 | 215 |
| OctoberOct | 84 | 27° | 23° | 26.9° | 6.4 h | 8 | 82 |
| NovemberNov | 86 | 24° | 19° | 24.1° | 5.7 h | 6 | 39 |
| DecemberDec | 87 | 20° | 15° | 21.1° | 5.2 h | 4 | 28 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)
22.28° N, 114.17° E · 60 m · Asia/Hong_Kong
Best time to visit Hong Kong
The best time to visit Hong Kong is from October to February. For a beach holiday with the sea above 21 °C, go from October to November. For sightseeing, day trips and hiking, conditions are most comfortable from October to March. Rain is most frequent from April to September; the wettest month is August with 314 mm.
Hong Kong through the seasons
How the weather changes over the seasons, with averages for each.
Hong Kong in spring
Mar – May
Good
- 23–28 °C by day
- Sea 23 °C
- 4 h of sun a day
- 44 rainy days in all
Hong Kong in summer
Jun – Aug
Fair
- 29–30 °C by day
- Sea 29 °C
- 6 h of sun a day
- 70 rainy days in all
Hong Kong in autumn
Sep – Nov
Good
- 24–29 °C by day
- Sea 27 °C
- 6 h of sun a day
- 30 rainy days in all
Hong Kong in winter
Dec – Feb
Excellent
- 19–20 °C by day
- Sea 20 °C
- 5 h of sun a day
- 16 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Hong Kong for you.
Your best months: November
Based on the climate averages; tap a month to see its details.
Which month for what?
Beach & swimming
Oct – Nov
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Oct – Mar
15–28 °C and not too much rain
Rainy months
Apr – Sep
12 or more rainy days
Hong Kong month by month
The typical weather for every month at a glance.
83January19° · Sea 20° · 5 h
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 5 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.
Hong Kong in January75February20° · Sea 20° · 4 h
In February, Hong Kong is mild: daytime highs average 20 °C, and nights cool down to about 15 °C. The sea averages 19.6 °C – bracing, so a wetsuit helps for longer swims. The sun is scarce, with only about 4 hours a day. Rain falls on about 7 days, adding up to 42 mm. All in all, February is a good month for a holiday in Hong Kong.
Hong Kong in February66March23° · Sea 21° · 3 h
In March, Hong Kong is warm: daytime highs average 23 °C, and nights cool down to about 18 °C. The sea averages 20.8 °C – refreshing for a swim. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 11 rainy days and 72 mm in total. All in all, March is a good month for a holiday in Hong Kong.
Hong Kong in March62April25° · Sea 23° · 4 h
In April, Hong Kong is warm: daytime highs average 25 °C, and even at night it stays warm at around 21 °C. The sea averages 23.1 °C – pleasant for swimming. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 14 rainy days and 121 mm in total. The air is often humid and muggy. All in all, April is a good month for a holiday in Hong Kong.
Hong Kong in April51May28° · Sea 26° · 5 h
In May, Hong Kong is hot: daytime highs average 28 °C, and even at night it stays warm at around 24 °C. The sea averages 26.2 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It rains often – on about 20 days, adding up to 237 mm. The air is often humid and muggy. All in all, May is a so-so month for a holiday in Hong Kong.
Hong Kong in May43June29° · Sea 28° · 5 h
In June, Hong Kong is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 28.2 °C – lovely and warm for swimming. Expect around 5 hours of sunshine a day. It rains often – on about 23 days, adding up to 313 mm. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a so-so month for a holiday in Hong Kong.
Hong Kong in June43July30° · Sea 29° · 6 h
In July, Hong Kong is hot: daytime highs average 30 °C, and even at night it stays warm at around 26 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It rains often – on about 22 days, adding up to 236 mm. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Hong Kong.
Hong Kong in July42August30° · Sea 29° · 6 h
In August, Hong Kong is hot: daytime highs average 30 °C, and even at night it stays warm at around 26 °C. The sea averages 28.9 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It rains often – on about 24 days, adding up to 314 mm. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a so-so month for a holiday in Hong Kong.
Hong Kong in August47September29° · Sea 28° · 6 h
In September, Hong Kong is hot: daytime highs average 29 °C, and even at night it stays warm at around 25 °C. The sea averages 28.4 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It rains often – on about 17 days, adding up to 215 mm. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Hong Kong.
Hong Kong in September84October27° · Sea 27° · 6 h
In October, Hong Kong is hot: daytime highs average 27 °C, and even at night it stays warm at around 23 °C. The sea averages 26.9 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 82 mm. The air is often humid and muggy. All in all, October is an excellent month for a holiday in Hong Kong.
Hong Kong in October86November24° · Sea 24° · 6 h
In November, Hong Kong is warm: daytime highs average 24 °C, and nights cool down to about 19 °C. The sea averages 24.1 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. Rain falls on about 6 days, adding up to 39 mm. All in all, November is an excellent month for a holiday in Hong Kong.
Hong Kong in November87December20° · Sea 21° · 5 h
In December, Hong Kong is mild: daytime highs average 20 °C, and nights cool down to about 15 °C. The sea averages 21.1 °C – refreshing for a swim. Expect around 5 hours of sunshine a day. Rain is rare: about 4 days bring 28 mm in total. All in all, December is an excellent month for a holiday in Hong Kong.
Hong Kong in DecemberHong Kong compared
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Hong Kong vs. Hanoi
In October Hong Kong has the better holiday weather (score 84 vs. 60). During the day Hanoi is 1 °C warmer than Hong Kong. Hanoi gets one hour less sunshine a day.
| in October | Hong Kong | Hanoi |
|---|---|---|
| Holiday score | 84 | 60 |
| Daytime high | 27° | 28° |
| Sea | 27° | – |
| Sunshine | 6 h | 5 h |
| Rainy days | 8 | 12 |
| Best time | Oct – Feb | Nov – Mar |
Through the year
Planning a trip to Hong Kong
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Getting there
Flying from
- Nonstop flight
- about 12 h 5 min
- Distance
- 9,650 km
- Time zone
- UTC+8
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Hong Kong lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM); not a forecast.
Frequently asked questions about Hong Kong
When is the best time to visit Hong Kong?
The best time to visit Hong Kong is from October to February. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Hong Kong?
The sea temperature in Hong Kong ranges from 19.5 °C in January to 29.0 °C in July. It is warm enough for a comfortable swim (20 °C and more) from March to December.
Can you swim in Hong Kong in October?
Yes. In October the sea averages 26.9 °C – lovely and warm for swimming.
What is the warmest month in Hong Kong?
July is the warmest month, with average highs of 30 °C and nights around 26 °C. January is the coolest month at 19 °C.
When does it rain most in Hong Kong?
Rain is most frequent from April to September; the wettest month is August with 314 mm. The driest month is December with 28 mm.
How many hours of sunshine does Hong Kong get?
Hong Kong gets around 1,830 hours of sunshine a year. The sunniest month is July with 6.4 hours a day; in March there are 3.2 hours a day.
What time zone is Hong Kong in?
Hong Kong uses the time zone Asia/Hong_Kong, at UTC+8 all year.
How long is the flight from London to Hong Kong?
A nonstop flight from London to Hong Kong takes about 12 h 5 min, for a straight-line distance of about 9,650 km. Most routes need a change of planes, which adds time.
When is typhoon season in Hong Kong?
Hong Kong lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Near Hong Kong
Other destinations close by.
Places with a climate like Hong Kong
Destinations whose weather through the year is closest to Hong Kong's – good alternatives.