May weather forecast
Sepang, Malaysia

May, the last month of the spring in Sepang, is another hot month, with temperature in the range of an average high of 31.5°C (88.7°F) and an average low of 25.7°C (78.3°F).

Temperature

The warmest month is May, with an average high-temperature of 31.5°C (88.7°F) and an average low-temperature of 25.7°C (78.3°F).

Heat index

The heat index value during May is estimated at a blistering 41°C (105.8°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. 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.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in May in Sepang, Malaysia, is 77%.

Rainfall

In Sepang, in May, it is raining for 26.3 days, with typically 106mm (4.17") of accumulated precipitation. Throughout the year, there are 311.5 rainfall days, and 1296mm (51.02") of precipitation is accumulated.

Daylight

In Sepang, the average length of the day in May is 12h and 14min.
On the first day of May in Sepang, Malaysia, sunrise is at 7:03 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 7:18 pm +08.

Sunshine

In May, the average sunshine in Sepang is 8.9h.

UV index

The months with the highest UV index in Sepang are February through October and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the UV index of 7 transforms into the following advice:
Deter overexposure. Protecting against the sun's effects is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.