Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
May introduces a minor temperature shift, with average high-temperatures adjusting from April's warm 24.5°C (76.1°F) to a still moderately hot 27.7°C (81.9°F). May nights witness a slight temperature decrease, averaging at a still warm 24.9°C (76.8°F).Heat index
May's heat index is computed to be a tropical 32°C (89.6°F). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. When you're directly under the sun's rays, remember that the heat index may surge by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
May is the most humid month, with an average relative humidity of 84%.Rainfall
In Sai Shan, Hong Kong, during May, the rain falls for 22.9 days and regularly aggregates up to 171mm (6.73") of precipitation. In Sai Shan, during the entire year, the rain falls for 224.5 days and collects up to 1264mm (49.76") of precipitation.Daylight
In May, the average length of the day in Sai Shan is 13h and 13min.On the first day of May in Sai Shan, sunrise is at 05:51 and sunset at 18:50. On the last day of the month, sunrise is at 05:39 and sunset at 19:03 HKT.
Sunshine
The average sunshine in May in Sai Shan is 8.4h.UV index
The months with the highest UV index in Sai Shan, Hong Kong, are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 7 in May interprets into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Sai Shan?
What is the most humid month in Sai Shan?
What is the average humidity in May in Sai Shan?
How much does it rain in Sai Shan in May?
What is the average length of the day in May in Sai Shan?
When are sunrise and sunset in May in Sai Shan?
How long on average sun shines in May in Sai Shan?
When is the highest UV index in Sai Shan?
What is the UV index intensity in May in Sai Shan?
Average temperature in May
Sai Shan, Hong Kong
- Average high temperature in May: 27.7°C
The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (18.5°C).
- Average low temperature in May: 24.9°C
The month with the highest average low temperature is August (27.7°C).
The coldest month (with the lowest average low temperature) is January (15°C).
Average pressure in May
Sai Shan, Hong Kong
- Average pressure in May: 1009mbar
The month with the highest atmospheric pressure is January (1020.3mbar).
The month with the lowest atmospheric pressure is August (1004.8mbar).
Average wind speed in May
Sai Shan, Hong Kong
- Average wind speed in May: 13.6km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity in May
Sai Shan, Hong Kong
- Average humidity in May: 84%
The month with the highest relative humidity is May (84%).
The month with the lowest relative humidity is December (70%).
Average rainfall in May
Sai Shan, Hong Kong
- Average rainfall in May: 171mm
The wettest month (with the highest rainfall) is August (223mm).
The driest month (with the least rainfall) is December (23mm).
Average rainfall days in May
Sai Shan, Hong Kong
- Average rainfall days in May: 22.9 days
The month with the highest number of rainy days is July (26.8 days).
The month with the least rainy days is December (11.2 days).
Average daylight in May /
Average sunshine in May
Sai Shan, Hong Kong
- Average daylight in May: 13h and 1min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in May: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is March (Average sunshine: 5h and 18min).
Average sunshine days in May
Sai Shan, Hong Kong
- Average sunshine days in May: 5.6 days
The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is July (3.1 days).
Average UV index in May
Sai Shan, Hong Kong
- Average UV index in May: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in May
Sai Shan, Hong Kong
- Average cloud cover in May: 49
The month with the most cloud cover is March (Cloud cover 61).
The months with the least cloud cover are September and October (Cloud cover 35).
Average visibility in May
Sai Shan, Hong Kong
- Average visibility in May: 9km
The months with the highest visibility are September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July and August (9km).
