May weather forecast
Sibolga, Indonesia

May arrives with a rise in temperature, alluding to the onset of summer. The registration of rainfall drops notably to 105mm (4.13"), indicating drier conditions compared to the previous months. Sibolga's weather in May supports a range of outdoor activities, making it an ideal time for beach excursions. May stands out as a transition month leading to drier, sunnier days ahead. The changing weather breathes a different rhythm into the city's vibrant lifestyle.

Temperature

May is the month when Sibolga's temperatures reach their peak, with averages of 28.9°C (84°F) and lows of 22.5°C (72.5°F).

Heat index

The heat index in May is calculated to be a hot 34°C (93.2°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
In the scope of the heat index, its values resonate with shade and light wind conditions. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a numerical representation of warmth when taking temperature and moisture levels into account. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. 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.

Humidity

In Sibolga, Indonesia, the average relative humidity in May is 80%.

Rainfall

In Sibolga, during May, the rain falls for 22.4 days and regularly aggregates up to 105mm (4.13") of precipitation. Throughout the year, in Sibolga, Indonesia, there are 285.3 rainfall days, and 1792mm (70.55") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature in Sibolga, Indonesia, is 29.8°C (85.6°F).
Note: A water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm and enjoyable, allowing water activities to be pleasant for extended periods without irritation.

Daylight

In Sibolga, Indonesia, the average length of the day in May is 12h and 12min.
On the first day of the month, sunrise is at 06:16 and sunset at 18:27. On the last day of May, sunrise is at 06:16 and sunset at 18:29 WIB.

Sunshine

The average sunshine in May in Sibolga is 8.6h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index in Sibolga, Indonesia. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 6 in May translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. During bright days, sunglasses that offer UVA and UVB defense are recommended. Alert! The Sun's UV rays are heightened by the reflection of sand and water.