May reflects steadiness in
Taipei's sky, notably with temperatures nearing 30°C (86°F). The transition into this month indicates a slight dip in humidity but is precariously offset by increased rainfall, the highest observed so far in the year. Relative to
April, an incremental increase in daylight hours promotes longer outdoor sojourns for local citizens and tourists alike. The month of May embodies a light-hearted joy of Taipei's blossoming summers, not to forget the fortified sunshine hours that come with it. Despite this, the month sees maximum UV radiation, making it integral to double up on suncare measures.
Temperature
With the onset of May, Taipei's average high-temperature experiences a slight rise, moving from April's 25.7°C (78.3°F) to a still warm 29.2°C (84.6°F). The average temperature during May nights is registered at an agreeable 22.3°C (72.1°F).
Heat index
The heat index value during May is estimated at a sweltering 35°C (95°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Heat index data is primarily for areas with shade and subjected to light winds. 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 an indicator that blends the effects of temperature and humidity to depict perceived warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to 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.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
In Taipei, the average relative humidity in May is 76.6%.
Rainfall
In May, in Taipei, the rain falls for 14.8 days. Throughout May, 235mm (9.25") of precipitation is accumulated. In Taipei,
Taiwan, during the entire year, the rain falls for 165.5 days and collects up to 2405mm (94.69") of precipitation.
Daylight
The average length of the day in May is 13h and 22min.
On the first day of the month, sunrise is at 05:17 and sunset at 18:23. On the last day of May, sunrise is at 05:03 and sunset at 18:39 CST.
Sunshine
The average sunshine in May is 3.7h.
UV index
The months with the highest UV index in Taipei are May through
August, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 12 translates into the following recommendations:
Undertake all critical precautions. Protection from sun harm is vital. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Even if the day is cloudy, sunscreen with SPF of at least 30 should be applied generously and reapplied often, particularly after swimming or outdoor exercise.