Sai Kung, Hong Kong Weather

Sai Kung,  Weather
(Photo by SHUJA OFFICIAL on Unsplash)

Current conditions

Updated:
25°C
77.0°F
°C °F

Condition: Clear Sky

Pressure: 1,013 hPa

Feel like: 29 °C

Temperature: 25°C

Cloud: 19%

Humidity: 91%

Wind: E - 11 km/h

Visibility: 9.36 km

Weather forecast

Sat
19 Sep
24°C / 30°C
Mainly Clear
Sun
20 Sep
24°C / 29°C
Slight Thunderstorm
Mon
21 Sep
24°C / 28°C
Slight Rain Showers
Tue
22 Sep
24°C / 28°C
Drizzle
Wed
23 Sep
25°C / 28°C
Drizzle
Hourly forecast today:
19:00 PM
23° / 25°
23° / 25°
Clear Sky
91% 23 km/h
20:00 PM
23° / 25°
23° / 25°
Clear Sky
91% 23 km/h
21:00 PM
23° / 24°
23° / 24°
Clear Sky
94% 20 km/h
22:00 PM
23° / 24°
23° / 24°
Clear Sky
92% 19 km/h
23:00 PM
23° / 25°
23° / 25°
Clear Sky
85% 19 km/h
00:00 AM
21° / 26°
21° / 26°
Clear Sky
74% 26 km/h
01:00 AM
22° / 27°
22° / 27°
Clear Sky
71% 29 km/h
02:00 AM
22° / 28°
22° / 28°
Clear Sky
67% 33 km/h
03:00 AM
21° / 29°
21° / 29°
Clear Sky
63% 35 km/h
04:00 AM
21° / 29°
21° / 29°
Clear Sky
62% 36 km/h
05:00 AM
21° / 29°
21° / 29°
Clear Sky
63% 36 km/h

30 Day Averages and Extremes

  • Average high 29.1°C
  • Average low 24.27°C
  • Hottest day 32°C (11 September 2026)
  • Coldest day 21°C (09 September 2026)
  • Average humidity 82.27%
  • Days with precipitation 28 days
  • Highest precipitation 70 mm (12 September 2026)

Yesterday's Data

  • Max: 28°C
  • Min: 25°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Sai Kung over the next 12 hours

Temperature and possibility of rain in Sai Kung in the coming days

Rainfall in Sai Kung in the coming days

Sai Kung Climate Summary

Sai Kung features a Humid subtropical, dry winter (Köppen classification: Cwa), with an average annual temperature of 24.06ºC (75.31ºF), which is about -0.05% lower than the national average for Hong Kong. Annually, the city experiences approximately 111.32 millimeters (4.38 inches) of rainfall, spread across 158.99 rainy days, accounting for 43.56% of the year.

Longitude 22.383689
Latitude 114.2707867
Yearly high temperature 25.14ºC (77.25ºF)
Yearly low temperature 22.21ºC (71.98ºF)
Hottest month July 30.22ºC (86.4ºF)
Coldest month January 15.1ºC (59.18ºF)
Yearly precip 111.32mm (4.38in)
Days with rainfall 158.99 days (43.56%)
Driest month December (68.23%)
Wettest month August (78.51%)

Weather averages by month

Month High / Low (°C) Rain
January 18.31° / 15.1° 6.82 days
February 19.23° / 15.99° 8.09 days
March 21.62° / 18.78° 9.0 days
April 24.41° / 21.66° 12.36 days
May 27.71° / 25.05° 18.73 days
June 29.58° / 27.1° 21.36 days
July 30.22° / 27.71° 22.36 days
August 30.33° / 27.55° 22.73 days
September 29.59° / 26.79° 18.91 days
October 27.08° / 23.92° 9.0 days
November 24.07° / 20.87° 5.45 days
December 19.52° / 16.01° 4.18 days

Frequently asked questions

1. What is the hottest month in Sai Kung?

July has the highest average monthly temperature (daily mean of 30.22ºC) and January are the coolest (daily mean of 15.1ºC).

2. What should I wear in Sai Kung today?

For today's very hot weather in Sai Kung, with the high temperatures above 29ºC (84.2ºF), consider wearing:
- Lightweight t-shirt or tank top
- Sunscreen for skin protection
- Open-toed sandals or light sneakers
- Thin, moisture-wicking socks

Temperature

Early
22°C / 28°C
Morning
23°C / 27°C
Afternoon
23°C / 25°C
Evening
23°C / 24°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 461
  • CO 182
  • NH3 0
  • NO2 9
  • O3 106
  • PM10 23
  • PM25 17
  • SO2 5
  • CH4 1,438

Sunrise / Sunset

22:10
10:22