May weather forecastRejeni, Indonesia

Weather in May

The last month of the autumn, May, is another tropical month in Rejeni, Indonesia, with an average temperature ranging between max 31.2°C (88.2°F) and min 23.3°C (73.9°F).

Temperature

The shift into May uncovers an average high-temperature of a still hot 31.2°C (88.2°F), subtly different from the previous month. May nights in Rejeni are marked by an average low-temperature of 23.3°C (73.9°F).

Heat index

May's heat index is appraised at a blisteringly hot 41°C (105.8°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

In Rejeni, the average relative humidity in May is 78%.

Rainfall

In Rejeni, during May, the rain falls for 16.8 days and regularly aggregates up to 72mm (2.83") of precipitation. In Rejeni, during the entire year, the rain falls for 218.3 days and collects up to 1409mm (55.47") of precipitation.

Daylight

The average length of the day in May in Rejeni is 11h and 47min.
On the first day of the month, sunrise is at 05:31 and sunset at 17:21. On the last day of May, sunrise is at 05:35 and sunset at 17:18 WIB.

Sunshine

The average sunshine in May is 9.1h.

UV index

February, April through December, with an average maximum UV index of 7, are months with the highest UV index in Rejeni. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In May, the UV index of 7 transforms into the following advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. 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.