Guide to Filming in Hong Kong

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CLIMATE

Hong Kong’s climate is sub-tropical, tending towards temperate for nearly half the year. November and December are generally regarded as the best months of the year with cool breezes, warm sunshine and comfortable temperatures.  

January and February are cloudier, with occasional cold fronts, bringing in dry northerly winds.  Temperatures sometimes drop below 10°C in urban areas.  The lowest temperature recorded at the Observatory is 0°C although there can be sub-zero temperatures and frost on high ground and in the New Territories.

March and April can also be very pleasant although there are occasional spells of high humidity.  Fog and drizzle can be particularly troublesome on high ground exposed to the southeast, and reduced visibility occasionally disrupts air traffic and ferry services.

May to August are hot and humid, with occasional showers and thunderstorms, particularly in the morning.  Afternoon temperatures often exceed 31°C whereas at night, temperatures generally remain around 26°C with high humidity.  There is usually a fine dry spell in July which may last for about one to two weeks or even longer.

Tropical cyclones can come at any time from May to November. Typhoons are common in July and September.  On average, about 30 tropical cyclones form in the western North Pacific or the China Seas every year.  About half of them reach typhoon strength, with maximum winds of 118 kilometres or more per hour.

When a tropical cyclone is about 700 to 1 000 kilometres southeast of Hong Kong, the weather is usually fine and exceptionally hot, but isolated thunderstorms sometimes occur in the evenings.  If the centre comes closer to Hong Kong, winds strengthen and rain can become heavy and widespread. Heavy rain from tropical cyclones may last for a few days and subsequent landslides and flooding sometimes cause considerably more damage than winds.

The mean annual rainfall ranges from about 1 400 millimetres at Ping Chau to more than 3 000 millimetres in the vicinity of Tai Mo Shan.  About 80 percent of the rain falls between May and September. June and August are usually the wettest months while January and December the driest.

Extreme weather comes in the form of tropical cyclones, cold winters, summer monsoons and monsoon troughs.  Squally thunderstorms are most frequent from April to September.  Waterspouts and hailstorms happen infrequently. Snow and tornadoes are rare.

Weather Services and Information

The Hong Kong Observatory (HKO) provides a wide range of meteorological services, including frequent weather forecasts and tropical cyclone warnings. The HKO also provides forecasts and advice for different parties, such as transport companies, public utilities, shipping and aviation, on a cost-recovery basis.

Call the HKO at 2926 8440 for more information on special weather services. The interactive Dial-a-Weather service can be accessed on 187 8200. For full weather information, please visit the website of the HKO at www.hko.gov.hk.

Sunrise and Sunset 2017

Date Sunrise Sunset
1 January 7:03 am 5:51 pm
1 February 7:02 am 6:12 pm
1 March 6:45 am 6:27 pm
1 April 6:16 am 6:38 pm
1 May 5:51 am 6:50 pm
1 June 5:39 am 7:03 pm
1 July 5:43 am 7:11 pm
1 August 5:55 am 7:04 pm
1 September 6:06 am 6:40 pm
1 October 6:15 am 6:11 pm
1 November 6:27 am 5:46 pm
1 December 6:46 am 5:38 pm

Sunrise and Sunset 2018

Date Sunrise Sunset
1 January 7:03 am 5:51 pm
1 February 7:02 am 6:12 pm
1 March 6:45 am 6:27 pm
1 April 6:16 am 6:38 pm
1 May 5:52 am 6:50 pm
1 June 5:39 am 7:03 pm
1 July 5:43 am 7:11 pm
1 August 5:55 am 7:04 pm
1 September 6:06 am 6:41 pm
1 October 6:15 am 6:11 pm
1 November 6:27 am 5:46 pm
1 December 6:46 am 5:38 pm

Monthly Means of a Selection of
Meteorological Elements in Hong Kong for the Period 2006-2015

  Air Temperature   Rainfall
Month Mean Daily Max. Mean Mean Daily Min. Relative Humidity Total No.of Days with Rain
* * * * * * *
* °C °C °C % mm  
January

18.3

15.9

14.0

72.9

19.84

4.50

February

19.8

17.3

15.5

80.3

31.25

7.60

March

22.1

19.5

17.5

81.0

68.05

10.40

April

25.3

22.6

20.7

82.3

154.89

11.80

May

28.8

26.1

24.2

83.4

350.75

16.70

June

30.6

28.2

26.3

83.1

500.70

19.50

July

31.7

29.0

27.0

81.0

377.36

17.60

August

31.7

28.9

26.9

80.3

320.95

15.10

September

30.9

28.1

26.2

78.0

276.99

14.30

October

28.4

25.8

24.0

73.7

79.44

7.80

November

24.5

22.1

20.3

73.8

54.74

6.80

December

20.0

17.7

15.7

69.8

37.93

6.70

Year

26.0

23.4

21.5

78.3

189.41

11.57

(Number of days with rain = Number of days with at least 0.1mm of rain)
(recorded at the HKO)

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