May weather forecast
Hà Hiệu, Vietnam

May, the last month of the spring in Hà Hiệu, is also a moderately hot month, with temperature in the range of an average low of 21.3°C (70.3°F) and an average high of 29.8°C (85.6°F).

Temperature

In May, Hà Hiệu notes an average high-temperature of a still warm 29.8°C (85.6°F), hardly different from the preceding month. During May, the temperature is averaged to a low of 21.3°C (70.3°F) at night.

Heat index

The heat index for May is estimated at a fiery hot 38°C (100.4°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. 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. 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 are essentially critical for children. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

In May, the average relative humidity is 83%.

Rainfall

In Hà Hiệu, Vietnam, in May, during 25.2 rainfall days, 168mm (6.61") of precipitation is typically accumulated. Throughout the year, in Hà Hiệu, there are 248.4 rainfall days, and 1317mm (51.85") of precipitation is accumulated.

Daylight

The average length of the day in May is 13h and 13min.
On the first day of the month, sunrise is at 05:24 and sunset at 18:23. On the last day of May, sunrise is at 05:11 and sunset at 18:36 +07.

Sunshine

In Hà Hiệu, the average sunshine in May is 7.6h.

UV index

April through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 6 during May, leads to the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.