May weather forecast
Ap Bac Lân, Vietnam

The last month of the spring, May, is another hot month in Ap Bac Lân, Vietnam, with an average temperature varying between 34.1°C (93.4°F) and 26.9°C (80.4°F).

Temperature

A minor adjustment in Ap Bac Lân's average high-temperature is noted with the start of May, touching a hot 34.1°C (93.4°F) from April's 35°C (95°F). May generally records an average low-temperature of 26.9°C (80.4°F).

Heat index

Throughout May, the heat index is calculated to be a blazing hot 48°C (118.4°F). Note: Heat exhaustion and heat cramps are probable. Heatstroke can follow with prolonged activity.
Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important 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.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

In May, the average relative humidity in Ap Bac Lân is 72%.

Rainfall

In Ap Bac Lân, in May, during 27.8 rainfall days, 139mm (5.47") of precipitation is typically accumulated. Throughout the year, there are 241.8 rainfall days, and 1283mm (50.51") of precipitation is accumulated.

Daylight

In Ap Bac Lân, the average length of the day in May is 12h and 37min.
On the first day of the month, sunrise is at 05:35 and sunset at 18:06. On the last day of May, sunrise is at 05:30 and sunset at 18:12 +07.

Sunshine

The average sunshine in May is 10.3h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 7 in May interprets into the following advice:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. 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. Boost your sun resistance with garments that are densely woven yet spacious.