May weather forecast
Mễ Xá, Vietnam

May, the last month of the spring in Mễ Xá, is a tropical month, with an average temperature ranging between max 31°C (87.8°F) and min 25.3°C (77.5°F).

Temperature

May's arrival signals a modest temperature shift, moving from a moderately hot 27.3°C (81.1°F) in April to a tropical 31°C (87.8°F). The average low-temperature, in May, is a moderately hot 25.3°C (77.5°F).

Heat index

May's mean heat index is estimated at a scorching 41°C (105.8°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', arises from combining readings of air temperature and relative moisture content. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.

Humidity

In May, the average relative humidity is 80%.

Rainfall

In Mễ Xá, during May, the rain falls for 20.4 days and regularly aggregates up to 103mm (4.06") of precipitation. Throughout the year, there are 205.9 rainfall days, and 966mm (38.03") of precipitation is accumulated.

Daylight

In May, the average length of the day is 13h and 8min.
On the first day of May, sunrise is at 05:23 and sunset at 18:18. On the last day of the month, sunrise is at 05:11 and sunset at 18:31 +07.

Sunshine

In Mễ Xá, the average sunshine in May is 9.9h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In May, the UV index of 7 transforms into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays.