May weather forecast
Wong Chuk Hang, Hong Kong

May signals the oncoming of summer in Wong Chuk Hang, characterized by high temperatures and an increase in rainfall. During this month, the average rainfall peaks to 171mm (6.73"), almost double that of April. Increased rainfall coincides with higher humidity, and the city is enveloped in a slightly hazy, humid atmosphere most days. Despite these conditions, daylight hours extend as summer advances, making days longer. The pressure chart suggests a continued downward trend, typical of a warm, rainy season.

Temperature

Observing a slight rise in May, the average high-temperature in Wong Chuk Hang shifts from April's warm 24.5°C (76.1°F) to a still moderately hot 27.7°C (81.9°F). The temperature during May sees a subtle transition from day to night, averaging a low of 24.9°C (76.8°F).

Heat index

May's average heat index is evaluated at a hot 32°C (89.6°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', melds the effects of warmth and moisture to generate a feeling of heat. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

The most humid month is May, with an average relative humidity of 84%.

Rainfall

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

Daylight

In Wong Chuk Hang, the average length of the day in May is 13h and 12min.
On the first day of the month, sunrise is at 05:51 and sunset at 18:49. On the last day of May, in Wong Chuk Hang, sunrise is at 05:39 and sunset at 19:03 HKT.

Sunshine

The average sunshine in May in Wong Chuk Hang, Hong Kong, is 8.4h.

UV index

The months with the highest UV index in Wong Chuk Hang, Hong Kong, are May through September, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 7 translates into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Experience reduced UV exposure by about half when donning a wide-brim hat.