May weather forecast
Cao Kỳ, Vietnam

The last month of the spring, May, is also a moderately hot month in Cao Kỳ, Vietnam, with an average temperature fluctuating between 21.3°C (70.3°F) and 29.8°C (85.6°F).

Temperature

As May takes hold, the average high-temperature is a still warm 29.8°C (85.6°F), nearly mirroring that of the previous month. In the month of May, the nighttime temperature dips to a steady average of 21.3°C (70.3°F).

Heat index

The average heat index in May is evaluated at a fiery hot 38°C (100.4°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Increasing body temperatures can be a precursor to dehydration if the body can't shed the extra heat.

Humidity

In May, the average relative humidity is 83%.

Rainfall

In Cao Kỳ, during May, the rain falls for 25.2 days and regularly aggregates up to 168mm (6.61") of precipitation. Throughout the year, there are 248.4 rainfall days, and 1317mm (51.85") of precipitation is accumulated.

Daylight

In May, the average length of the day is 13h and 11min.
On the first day of the month, sunrise is at 05:24 and sunset at 18:22. On the last day of May, sunrise is at 05:12 and sunset at 18:35 +07.

Sunshine

In Cao Kỳ, the average sunshine in May is 7.6h.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.