May weather forecast
Pak Tin, Hong Kong

The last month of the spring, May, is also a moderately hot month in Pak Tin, Hong Kong, with temperature in the range of an average high of 27.7°C (81.9°F) and an average low of 24.9°C (76.8°F).

Temperature

The start of May brings a subtle rise in the average high-temperature, moving from 24.5°C (76.1°F) in April to a still warm 27.7°C (81.9°F). Maintaining close parity with daytime warmth, the average nocturnal temperature in Pak Tin during May stays at a still warm 24.9°C (76.8°F).

Heat index

For most parts of May, the heat index is calculated to be a hot 32°C (89.6°F). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.
Bear in mind that the heat index values are determined for shaded areas and light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

May is the most humid month in Pak Tin, with an average relative humidity of 84%.

Rainfall

In Pak Tin, Hong Kong, during May, the rain falls for 22.9 days and regularly aggregates up to 171mm (6.73") of precipitation. Throughout the year, in Pak Tin, there are 224.5 rainfall days, and 1264mm (49.76") of precipitation is accumulated.

Daylight

In May, the average length of the day is 13h and 13min.
On the first day of May in Pak Tin, sunrise is at 05:50 and sunset at 18:49. On the last day of the month, sunrise is at 05:38 and sunset at 19:03 HKT.

Sunshine

The average sunshine in May in Pak Tin, Hong Kong, is 8.4h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index in Pak Tin. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 7 during May translates into the following directions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.