December weather forecast
Kopeng, Indonesia

December, the first month of the summer in Kopeng, is also a moderately hot month, with an average temperature ranging between min 22.1°C (71.8°F) and max 28.7°C (83.7°F).

Temperature

The commencement of December brings an average high-temperature of a still warm 28.7°C (83.7°F), marking an inconsequential divergence from November. Throughout December, Kopeng registers a consistent average low-temperature of 22.1°C (71.8°F).

Heat index

The heat index value for December is estimated at a very hot 35°C (95°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Note that heat index values are valued for light wind and location in the shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. 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 is 84%.

Rainfall

In Kopeng, during December, the rain falls for 29.5 days and regularly aggregates up to 219mm (8.62") of precipitation. In Kopeng, Indonesia, during the entire year, the rain falls for 290.8 days and collects up to 2049mm (80.67") of precipitation.

Daylight

December has the longest days of the year, with an average of 12h and 30min of daylight.
On the first day of December in Kopeng, sunrise is at 05:11 and sunset at 17:43. On the last day of the month, sunrise is at 05:24 and sunset at 17:57 WIB.

Sunshine

December has the least sunshine of the year, with an average of 7.1h of sunshine.

UV index

The months with the lowest UV index in Kopeng are January through September, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 6 in December translates into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.