May weather forecast
Palu, Indonesia

The last month of the autumn, May, is also a moderately hot month in Palu, Indonesia, with an average temperature ranging between min 22.3°C (72.1°F) and max 28.7°C (83.7°F).

Temperature

In Palu, the average high-temperature in May is practically the same as in April - a still warm 28.7°C (83.7°F). In Palu, the average low-temperature is 22.3°C (72.1°F).

Heat index

In May, the average heat index is computed to be a very hot 35°C (95°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, differences in body mass, height, and shape, wind). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

The average relative humidity in May in Palu, Indonesia, is 86%.

Rainfall

In Palu, it is raining for 29.9 days, with typically 276mm (10.87") of accumulated precipitation. Throughout the year, there are 347.3 rainfall days, and 2504mm (98.58") of precipitation is accumulated.

Sea temperature

May and June, with an average sea temperature of 29.9°C (85.8°F), are months with the warmest seawater in Palu.
Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

The average length of the day in May is 12h and 5min.
On the first day of the month, sunrise is at 05:55 and sunset at 18:00. On the last day of May, sunrise is at 05:55 and sunset at 18:00 WITA.

Sunshine

The average sunshine in May is 8.1h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index in Palu. The months with the lowest UV index in Palu, Indonesia, are January through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 6 in May interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.