This trip felt like a vacation in another city. The swimming pool was the soul of the hotel, with blue skies, white clouds, green mountains, and sparkling water all within sight, immersing one in pure enjoyment!
Anonymous User
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Sai Kung Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-10
Sai Kung year round climate
Spring (March–May): Average 20–25°C, the climate gradually becomes warm and comfortable, humidity starts to rise, with occasional showers. Rainfall in April and May is relatively high, providing moisture throughout the year. Common activities: Hiking, island exploration, enjoying seafood. Suggested attire: T-shirts, light long-sleeved tops, light jackets.
Summer (June–August): Average 28–29°C, hot and humid, plenty of sunshine, with occasional afternoon thunderstorms. Sea breezes help alleviate the high temperatures. Common activities: Beach play, swimming, water activities, island hopping. Suggested attire: Shorts, T-shirts, light and breathable clothing, swimwear, sun hats.
Autumn (September–November): Average 22–28°C, pleasant weather, abundant sunshine, lower humidity, one of the most comfortable seasons. Rainfall in October is extremely low, making it very dry. Common activities: Hiking, cycling, exploring the Geopark, outdoor dining. Suggested attire: T-shirts, light long-sleeved tops, light jackets or cardigans.
Winter (December–February): Average 17–18°C, cool and dry, plenty of sunshine, scarce rainfall, almost no rain in December. The weather is comfortable and pleasant, suitable for outdoor activities. Common activities: Hiking, exploring Sai Kung town, tasting local seafood. Suggested attire: Long-sleeved shirts, light sweaters, light jackets or coats.
Sai Kung climatological average
Annual average temperature: approx. 23.6°C / Annual rainfall: approx. 98 mm / Summer humidity: 75-85% / Rainiest month: April
Sai Kung monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
16.9°C
0.3
February
18.4°C
1
March
20.2°C
2.8
April
24.9°C
19.3
May
24.5°C
17
June
27.6°C
10.7
July
28.8°C
9.8
August
28.5°C
12.4
September
27.8°C
14.4
October
25.8°C
0.6
November
22.1°C
10.2
December
17.2°C
0
Sai Kung weather for the next seven days
12/19
Friday
Patchy rain nearby
21°C/18.7°C
12/20
Saturday
Sunny
21.9°C/19.4°C
12/21
Sunday
Sunny
21.7°C/18.7°C
12/22
Monday
Cloudy
18.8°C/17.7°C
12/23
Tuesday
Patchy rain nearby
18.8°C/17.7°C
12/24
Wednesday
Partly Cloudy
20.8°C/19.3°C
12/25
Thursday
Cloudy
19°C/18°C
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