May weather forecast
Bolon, Indonesia

May, the last month of the autumn in Bolon, is also a moderately hot month, with an average temperature varying between 23.9°C (75°F) and 29.3°C (84.7°F).

Temperature

Bolon indicates an average high-temperature of a still moderately hot 29.3°C (84.7°F) in May, matching the previous month's conditions. Bolon temperatures generally rest at a low of 23.9°C (75°F) during the May nights.

Heat index

During May, the heat index is estimated at a sweltering 36°C (96.8°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', melds the effects of warmth and moisture to generate a feeling of heat. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The months with the highest humidity are May and June, with an average relative humidity of 82%.

Rainfall

In Bolon, in May, during 22.7 rainfall days, 94mm (3.7") of precipitation is typically accumulated. In Bolon, Indonesia, during the entire year, the rain falls for 245 days and collects up to 906mm (35.67") of precipitation.

Daylight

In Bolon, the average length of the day in May is 11h and 46min.
On the first day of May in Bolon, Indonesia, sunrise is at 05:38 and sunset at 17:29. On the last day of the month, sunrise is at 05:43 and sunset at 17:26 WIB.

Sunshine

The average sunshine in May in Bolon is 8.7h.

UV index

February through May, September through December, with an average maximum UV index of 7, are months with the highest UV index in Bolon. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 7 in May leads to these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.