December weather forecast
Kalicari, Indonesia

The first month of the summer, December, is also a hot month in Kalicari, Indonesia, with temperature in the range of an average low of 25.1°C (77.2°F) and an average high of 31°C (87.8°F).

Temperature

With the arrival of December, Kalicari's average high-temperature registers at a still tropical 31°C (87.8°F), indicating a subtle variation from the previous month. During December nights, Kalicari witnesses a consistent average temperature of 25.1°C (77.2°F).

Heat index

Throughout December, the heat index is estimated at a scorching 40°C (104°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Heat-related disorders may develop if heat gain in the body overshadows its cooling capacity, leading to elevated temperatures.

Humidity

In December, the average relative humidity in Kalicari is 76%.

Rainfall

In Kalicari, in December, during 24.8 rainfall days, 128mm (5.04") of precipitation is typically accumulated. In Kalicari, during the entire year, the rain falls for 226.7 days and collects up to 1000mm (39.37") of precipitation.

Daylight

With an average of 12h and 30min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:12 and sunset at 17:42. On the last day of December, in Kalicari, sunrise is at 05:25 and sunset at 17:56 WIB.

Sunshine

With an average of 8.2h of sunshine, December has the least sunshine of the year.

UV index

The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 7 in December transforms into this advice:
Prevent overexposure. Protection from the sun's harmful effects is needed. 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. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.