December weather forecast
Kalijudan, Indonesia

The first month of the summer, December, is also a hot month in Kalijudan, Indonesia, with an average temperature ranging between min 26.3°C (79.3°F) and max 31.2°C (88.2°F).

Temperature

The average high-temperature for December is a still hot 31.2°C (88.2°F), closely aligning with the temperature of the preceding month. In December, Kalijudan's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 26.3°C (79.3°F).

Heat index

The heat index in December is calculated to be a sweltering 39°C (102.2°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In Kalijudan, the average relative humidity in December is 74%.

Rainfall

In Kalijudan, during December, the rain falls for 24.7 days and regularly aggregates up to 102mm (4.02") of precipitation. In Kalijudan, during the entire year, the rain falls for 187.8 days and collects up to 839mm (33.03") of precipitation.

Daylight

With an average of 12h and 30min of daylight, December has the longest days of the year in Kalijudan.
On the first day of December, sunrise is at 05:02 and sunset at 17:33. On the last day of the month, sunrise is at 05:15 and sunset at 17:48 WIB.

Sunshine

In Kalijudan, the average sunshine in December is 8.6h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Kalijudan. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Kalijudan. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 7 during December leads to these advisories:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.