May signifies the onset of early summer heat, with average highs reaching up to 27.2°C (81°F). Sharp upticks in precipitation figures are noted, standing at 37mm (1.46"), demonstrating the commencement of the region’s rainy season. Sun-soaked afternoons and retreating winds characterize this phase. Longer days and an increase in the duration of sunshine highlight the presence of progressively strenuous weather conditions. Hovering around 57%, the city's relative humidity level sees a slight increase to counterbalance the summer warmth.
Temperature
An upsurge in temperatures occurs in
Shijiazhuang as
April gives way to May, with average highs shifting from an agreeable 21.5°C (70.7°F) to a warm 27.2°C (81°F). Shijiazhuang registers a prominent dip from daytime highs, with an average of 14.7°C (58.5°F) during the nights of May.
Heat index
In May, the average heat index is computed to be 28°C (82.4°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In May, the average relative humidity is 57%.
Rainfall
In May, the rain falls for 6.2 days. Throughout May, 37mm (1.46") of precipitation is accumulated. In Shijiazhuang, during the entire year, the rain falls for 71.3 days and collects up to 517mm (20.35") of precipitation.
Daylight
In Shijiazhuang,
China, the average length of the day in May is 14h and 14min.
On the first day of the month, sunrise is at 05:25 and sunset at 19:12. On the last day of May, in Shijiazhuang, sunrise is at 05:01 and sunset at 19:38 CST.
Sunshine
With an average of 8.6h of sunshine, May has the most sunshine of the year in Shijiazhuang, China.
UV index
In Shijiazhuang, China, the average daily maximum UV index in May is 8. A UV Index reading of 8 to 10 represents a very high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 8 during May translates into the following directions:
Emphasize protection. Neglecting it can lead to swift damage to the skin and eyes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. During bright days, sunglasses that offer UVA and UVB defense are recommended.