December weather forecast
Cokromenggalan, Indonesia

December, the first month of the summer in Cokromenggalan, is still a hot month, with an average temperature ranging between max 30.5°C (86.9°F) and min 23.6°C (74.5°F).

Temperature

The transition from November to December sees average high-temperatures adjusting to a still hot 30.5°C (86.9°F), from a not significantly different 32.1°C (89.8°F). Throughout December nights, Cokromenggalan experiences a consistent temperature average of 23.6°C (74.5°F).

Heat index

The heat index value for December is computed to be an extremely hot 40°C (104°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

In Cokromenggalan, the average relative humidity in December is 81%.

Rainfall

In December, the rain falls for 24.8 days. Throughout December, 141mm (5.55") of precipitation is accumulated. In Cokromenggalan, during the entire year, the rain falls for 223 days and collects up to 1083mm (42.64") of precipitation.

Daylight

With an average of 12h and 36min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:06 and sunset at 17:39. On the last day of December, sunrise is at 05:19 and sunset at 17:54 WIB.

Sunshine

In Cokromenggalan, the average sunshine in December is 7.7h.

UV index

April, June through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 7 in December interprets into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Experience reduced UV exposure by about half when donning a wide-brim hat.