December weather forecast
Surakarta, Indonesia

December, the first month of the summer in Surakarta, is still a warm month, with an average temperature fluctuating between 28.9°C (84°F) and 22.1°C (71.8°F).

Temperature

The initiation of December sees an average high-temperature of a still moderately hot 28.9°C (84°F), showing minor variations from the previous month. During the nights in December, the temperature in Surakarta averages to a pleasant 22.1°C (71.8°F).

Heat index

December's mean heat index is estimated at a fiery hot 35°C (95°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In Surakarta, the average relative humidity in December is 83%.

Rainfall

In Surakarta, Indonesia, in December, it is raining for 29 days, with typically 230mm (9.06") of accumulated precipitation. Throughout the year, in Surakarta, there are 276.6 rainfall days, and 2049mm (80.67") of precipitation is accumulated.

Daylight

With an average of 12h and 36min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:09 and sunset at 17:41. On the last day of the month, sunrise is at 05:23 and sunset at 17:56 WIB.

Sunshine

The months with the least sunshine in Surakarta are January and December, with an average of 7h of sunshine.

UV index

The months with the lowest UV index in Surakarta, Indonesia, are January through August, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.