Measurements:
°C
°F
Hong Kong
90°F
E 6 mph
Feels like: 102°F
Precip: 100%
World Resorts China Hong Kong Weather May Weather in Hong Kong

Hong Kong Weather: May

Average Day Temperature: 87.4°F
Average Night Temperature: 80.4°F
Sea Water Temperature: 81.8°F
Number of Sunny Days: 5 days
Sunshine Hours: 13.0 - 13.4 hours
Number of Rainy Days: 8 days
Precipitation Totals: 4.6 in

Air Temperature in May, °F

Select Year: 2025 2024 2023
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3
5
7
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31
0
15
30
45
60
75
90
105
Day Temperature   
Night Temperature

The highest day temperature in May 2025 was 88°F. The lowest night temperature was 71°F. The average values for day and night temperatures during May were 83.0°F и 79.9°F respectivly.

Hong Kong Water Sea Temperature in May, °F

Select Year: 2025 2024 2023
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3
5
7
9
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13
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29
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73
76
79
82
85
88
91
94

The average sea surface temperature in May 2025 for Hong Kong was 82.8°F. The maximum and minimum values were 78.8°F and 86.6°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
16%
42%
42%

Most of the days in May are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in May, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.3
2.6
3.8
5.1
6.4
7.7
9.0

Precipitation total in May for Hong Kong is 4.6 in. It makes may one of the most rainy months of the year.

Wind Speed in May, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.6
3.2
4.8
6.4
7.9
9.5
11.1

The average wind speed in May is 8.2 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.3
2.5
3.8
5.0
6.3
7.5
8.8
10.1

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Hong Kong in May is 5.9 hours.

Best Time to Visit Hong Kong
The most sunny months:
December 14 days
January 13 days
October 13 days
The most warm months:
August 93.9 °F
July 93.5 °F
September 92.7 °F
Warmest sea temperature:
July 88.0 °F
August 87.7 °F
September 87.2 °F
The most cold months:
January 68.9 °F
December 70.8 °F
February 71.1 °F
The most rainy months:
June 10 days
August 10 days
July 9 days
The most windy months:
July 9 mph
June 9 mph
October 8 mph

Hong Kong on the Weather Map

China Resorts:
NAME
Beidaihe +86
Beijing +86
Dadunhai +88
Dalian +84
Guangzhou +94
Hainan +84
Hangzhou +80
Hong Kong +90
Macau +90
Quingdao +88
Sanya +88
Shanghai +82
Shenzhen +92
Weihai +84
Yalong Bay +88
24 Hours Weather Forecast
Hong Kong
Local time: 09:33
30 jul, wednesday
1200 92°F
NE
9 mph
1500 90°F
NE
17 mph
1800 88°F
NE
19 mph
2100 88°F
NE
17 mph
31 jul, thursday
0000 88°F
NE
15 mph
0300 86°F
NE
18 mph
0600 86°F
NE
15 mph
0900 90°F
NE
12 mph

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