December weather forecastCimahi, Indonesia

Weather in December

December's weather in Cimahi is characterized by substantial rainfall, recording a higher average of 79mm (3.11"). Consistent with the previous month, the weather remains warm and a bit heavy on humidity. The city slips into a cyclic routine of warm days and cool nights. With the increase in showers, the pressure records a downward trend to 1009.2mb. The visibility remains unaffected, illuminating the city's intricate architecture and lively streets.

Temperature

The onset of December notes an average high-temperature of a still tropical 31.1°C (88°F), subtly shifted from November's 32.3°C (90.1°F). December sees the temperature falling to a mean low of 24.3°C (75.7°F).

Heat index

The heat index in December is estimated at a very hot 39°C (102.2°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

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

Rainfall

In Cimahi, in December, during 18.1 rainfall days, 79mm (3.11") of precipitation is typically accumulated. Throughout the year, there are 139.1 rainfall days, and 518mm (20.39") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:24 and sunset at 17:53. On the last day of December, sunrise is at 05:37 and sunset at 18:08 WIB.

Sunshine

In Cimahi, the average sunshine in December is 9h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 7 transforms into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.