May weather forecast
Tsim Sha Tsui, Hong Kong

The weather in Tsim Sha Tsui undergoes a marked transition in May, as this month marks the onset of Hong Kong's hot, humid summer. Significant rises in temperature go hand in hand with the highest recorded rainfall of 171mm (6.73"). The increase in precipitation leads to higher humidity levels, altering the atmosphere considerably. Despite this, visitors may find solace in an increase in daylight hours and the likelihood of longer sunshine duration. The weather forecast signals the city heading for hotter months ahead.

Temperature

As Tsim Sha Tsui welcomes May, the average high-temperature displays a subtle shift, adjusting from a warm 24.5°C (76.1°F) in April to a still moderately hot 27.7°C (81.9°F). Tsim Sha Tsui, during May nights, witnesses an average temperature marginally cooler than its daytime highs, at a still warm 24.9°C (76.8°F).

Heat index

Throughout May, the heat index is appraised at a tropical 32°C (89.6°F). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.

Humidity

With an average relative humidity of 84%, May is the most humid month in Tsim Sha Tsui.

Rainfall

In Tsim Sha Tsui, during May, the rain falls for 22.9 days and regularly aggregates up to 171mm (6.73") of precipitation. In Tsim Sha Tsui, during the entire year, the rain falls for 224.5 days and collects up to 1264mm (49.76") of precipitation.

Daylight

The average length of the day in May is 13h and 13min.
On the first day of the month, sunrise is at 05:50 and sunset at 18:49. On the last day of May, in Tsim Sha Tsui, Hong Kong, sunrise is at 05:38 and sunset at 19:03 HKT.

Sunshine

The average sunshine in May in Tsim Sha Tsui is 8.4h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 7 translates into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.