May weather forecastRangkasbitung, Indonesia
May
Weather in May
May, the last month of the autumn in Rangkasbitung, is another hot month, with an average temperature ranging between min 24.8°C (76.6°F) and max 31.1°C (88°F).Temperature
The average high-temperature during May registers at a still tropical 31.1°C (88°F), maintaining a close resemblance to the previous month. An average nighttime temperature of 24.8°C (76.6°F) is observed during May.Heat index
In May, the average heat index is appraised at a blisteringly hot 41°C (105.8°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
In May, the average relative humidity is 78%.Rainfall
In May, in Rangkasbitung, the rain falls for 26.5 days. Throughout May, 118mm (4.65") of precipitation is accumulated. In Rangkasbitung, during the entire year, the rain falls for 291.3 days and collects up to 1460mm (57.48") of precipitation.Daylight
The average length of the day in May is 11h and 50min.On the first day of the month, sunrise is at 05:55 and sunset at 17:48. On the last day of May, sunrise is at 05:59 and sunset at 17:46 WIB.
Sunshine
In Rangkasbitung, the average sunshine in May is 8.9h.UV index
The months with the highest UV index in Rangkasbitung are February through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: In May, a daily maximum UV index of 7 leads to the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rangkasbitung, Indonesia
- Average high temperature in May: 31.1°C
The warmest month (with the highest average high temperature) is October (32.1°C).
The month with the lowest average high temperature is January (29.8°C).
- Average low temperature in May: 24.8°C
The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is August (23.1°C).
Average pressure in May
Rangkasbitung, Indonesia
- Average pressure in May: 1009.7mbar
The month with the highest atmospheric pressure is September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).
Average wind speed in May
Rangkasbitung, Indonesia
- Average wind speed in May: 5.7km/h
The windiest month (with the highest average wind speed) is January (9.4km/h).
The calmest month (with the lowest average wind speed) is August (5km/h).
Average humidity in May
Rangkasbitung, Indonesia
- Average humidity in May: 78%
The months with the highest relative humidity are February and March (80%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in May
Rangkasbitung, Indonesia
- Average rainfall in May: 118mm
The wettest month (with the highest rainfall) is March (189mm).
The driest month (with the least rainfall) is August (45mm).
Average rainfall days in May
Rangkasbitung, Indonesia
- Average rainfall days in May: 26.5 days
The month with the highest number of rainy days is January (29.4 days).
The month with the least rainy days is August (14.3 days).
Average daylight in May /
Average sunshine in May
Rangkasbitung, Indonesia
- Average daylight in May: 11h and 48min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in May: 8h and 54min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The months with the least sunshine are June and July (Average sunshine: 7h and 0min).
Average sunshine days in May
Rangkasbitung, Indonesia
- Average sunshine days in May: 2.6 days
The month with the most sunshine days is August (14 days).
The month with the least sunshine days is February (0.7 days).
Average UV index in May
Rangkasbitung, Indonesia
- Average UV index in May: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in May
Rangkasbitung, Indonesia
- Average cloud cover in May: 34
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in May
Rangkasbitung, Indonesia
- Average visibility in May: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).





