December weather forecast
Boncong, Indonesia

The first month of the summer, December, is still a hot month in Boncong, Indonesia, with an average temperature ranging between max 30.7°C (87.3°F) and min 23.8°C (74.8°F).

Temperature

December's average high-temperature stands at a still hot 30.7°C (87.3°F), showing little deviation from November's 32.1°C (89.8°F). Throughout the month of December, Boncong witnesses an average temperature of 23.8°C (74.8°F).

Heat index

December's average heat index is computed to be an extremely hot 41°C (105.8°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Consider that heat index readings are for situations in the shade and light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. 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. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.

Humidity

In Boncong, the average relative humidity in December is 83%.

Rainfall

In December, in Boncong, Indonesia, the rain falls for 28.7 days. Throughout December, 243mm (9.57") of precipitation is accumulated. In Boncong, during the entire year, the rain falls for 256 days and collects up to 1649mm (64.92") of precipitation.

Sea temperature

With an average sea temperature of 30.2°C (86.4°F), December is the month with the warmest seawater.
Note: It is often said that swimming in waters above 30°C (86°F) can feel less revitalizing.

Daylight

The month with the longest days is December, with an average of 12h and 30min of daylight.
On the first day of December, sunrise is at 05:07 and sunset at 17:36. On the last day of the month, sunrise is at 05:20 and sunset at 17:51 WIB.

Sunshine

The average sunshine in December is 7.2h.

UV index

The months with the highest UV index in Boncong are February through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 7 translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Caution! The Sun's UV intensity grows with reflections off sand and water.