May weather forecastCilacap, Indonesia

Weather in May

May in Cilacap is a period of transition when rainfall decreases but the overall balance of the weather characteristics remains on the warmer side. The city observes a slightly lower average low temperature relative to April, marking a noticeable dip from the weather highs of the past months. On the brighter side, sunshine hours maintain a steady 8.5h, unaffected by the fluctuating rainfall patterns. The UV index of seven advises precautions against excessive sun exposure during outdoor activities. Meanwhile, the wind picks up the pace, stirring the warm humid air and making for slightly windier days.

Temperature

May begins with an average high-temperature of a still warm 29.1°C (84.4°F), reflecting close similarity to the preceding month. In Cilacap, the nighttime temperature shows a slight difference from the daytime high, averaging to a still moderately hot 25.4°C (77.7°F) during May.

Heat index

May's mean heat index is evaluated 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.
In the scope of the heat index, its values resonate with shade and light wind conditions. 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 'apparent temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

The average relative humidity in May is 81%.

Rainfall

In Cilacap, in May, during 25.5 rainfall days, 143mm (5.63") of precipitation is typically accumulated. Throughout the year, there are 280.3 rainfall days, and 1371mm (53.98") of precipitation is accumulated.

Daylight

In Cilacap, the average length of the day in May is 11h and 46min.
On the first day of the month, sunrise is at 05:45 and sunset at 17:36. On the last day of May, sunrise is at 05:50 and sunset at 17:32 WIB.

Sunshine

In Cilacap, the average sunshine in May is 8.5h.

UV index

January through June, October through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 7 in May translates into this advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.