May weather forecastSandeyan, Indonesia

Weather in May

May, the last month of the autumn in Sandeyan, is another warm month, with temperature in the range of an average high of 28.7°C (83.7°F) and an average low of 22.8°C (73°F).

Temperature

Entering May, the average high-temperature is recorded at a still moderately hot 28.7°C (83.7°F), exhibiting a minimal shift from April's 29.1°C (84.4°F). During the month of May, the temperature in Sandeyan falls to an average of 22.8°C (73°F).

Heat index

The heat index for May is appraised at a very hot 35°C (95°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. 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. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

May and June, with an average relative humidity of 84%, are the most humid months in Sandeyan.

Rainfall

In Sandeyan, in May, during 25.9 rainfall days, 164mm (6.46") of precipitation is typically accumulated. In Sandeyan, during the entire year, the rain falls for 293.9 days and collects up to 1749mm (68.86") of precipitation.

Daylight

In May, the average length of the day in Sandeyan, Indonesia, is 11h and 46min.
On the first day of May, sunrise is at 05:40 and sunset at 17:30. On the last day of the month, sunrise is at 05:45 and sunset at 17:26 WIB.

Sunshine

In Sandeyan, Indonesia, the average sunshine in May is 8.5h.

UV index

January, April through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 6 in May translates into these instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.