May weather forecast
Pemalang, Indonesia

The last month of the autumn, May, is another hot month in Pemalang, Indonesia, with an average temperature ranging between max 30.6°C (87.1°F) and min 25.3°C (77.5°F).

Temperature

With the onset of May, the average high-temperature registers at a still hot 30.6°C (87.1°F), subtly different from April's 30.3°C (86.5°F). An average low-temperature of 25.3°C (77.5°F) is recorded during the nights in May.

Heat index

The heat index value during May is computed to be a very hot 38°C (100.4°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

The average relative humidity in May is 74%.

Rainfall

In Pemalang, in May, it is raining for 19.7 days, with typically 63mm (2.48") of accumulated precipitation. In Pemalang, during the entire year, the rain falls for 234.1 days and collects up to 892mm (35.12") of precipitation.

Sea temperature

In May, the average sea temperature in Pemalang is 29.7°C (85.5°F).
Note: For engaging in any water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) are viewed as outstanding and exceptionally pleasing for prolonged durations.

Daylight

The average length of the day in May is 11h and 48min.
On the first day of May, sunrise is at 05:43 and sunset at 17:35. On the last day of the month, sunrise is at 05:47 and sunset at 17:32 WIB.

Sunshine

In Pemalang, the average sunshine in May is 9.2h.

UV index

The months with the highest UV index in Pemalang are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 7 in May translates into this advice:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take note! Sand and water reflections strengthen the Sun's UV exposure.