May weather forecast
Sastra, Indonesia

The last month of the autumn, May, is another hot month in Sastra, Indonesia, with an average temperature ranging between min 24.3°C (75.7°F) and max 30.4°C (86.7°F).

Temperature

As Sastra, Indonesia, steps into May, the average high-temperature is a still tropical 30.4°C (86.7°F), identical to April. Sastra throughout May, records an average low-temperature of 24.3°C (75.7°F).

Heat index

For most parts of May, the heat index is appraised at a torrid 38°C (100.4°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. 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.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

The average relative humidity in May in Sastra is 77%.

Rainfall

In May, the rain falls for 19.6 days. Throughout May, 66mm (2.6") of precipitation is accumulated. In Sastra, Indonesia, during the entire year, the rain falls for 222.3 days and collects up to 950mm (37.4") of precipitation.

Daylight

In Sastra, the average length of the day in May is 11h and 49min.
On the first day of May, sunrise is at 05:46 and sunset at 17:39. On the last day of the month, sunrise is at 05:51 and sunset at 17:36 WIB.

Sunshine

The average sunshine in May is 9.2h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Sastra. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum daily UV index of 7 during May morphs into the following directions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.