December weather forecast
Bojonegoro, Indonesia

December, the first month of the summer in Bojonegoro, is also a hot month, with an average temperature ranging between min 24.2°C (75.6°F) and max 31.1°C (88°F).

Temperature

December is marked by an average high-temperature of a still tropical 31.1°C (88°F), almost identical to the preceding month. During December, the temperature in Bojonegoro tends to dip to an average of 24.2°C (75.6°F) at night.

Heat index

The heat index value during December is appraised at a blisteringly hot 42°C (107.6°F). Use additional protective measures, heat cramps and heat exhaustion are possible outcomes. Continuous activity might lead to heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. With body temperatures on the rise, inefficient heat shedding can lead to dehydration and its associated complications.

Humidity

In December, the average relative humidity is 82%.

Rainfall

In December, the rain falls for 27.5 days. Throughout December, 162mm (6.38") of precipitation is accumulated. In Bojonegoro, during the entire year, the rain falls for 232.5 days and collects up to 1054mm (41.5") of precipitation.

Daylight

December has the longest days of the year in Bojonegoro, Indonesia, with an average of 12h and 30min of daylight.
On the first day of December, sunrise is at 05:06 and sunset at 17:36. On the last day of the month, sunrise is at 05:19 and sunset at 17:51 WIB.

Sunshine

In December, the average sunshine in Bojonegoro is 7.5h.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index in Bojonegoro. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: During December, 7 as the daily maximum UV index converts into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.