December weather forecastKlaten, Indonesia

Weather in December

December in Klaten exhibits a surge in precipitation, marking the peak of the wet season. The climate is characterized by high relative humidity and frequent bouts of rainfall. Wind speed drops to average values while the length of daylight peaks. A considerable increase in cloud cover indicates lesser sunshine duration and decreased visibility. The monsoonal influence pushes the rainfall up to 243mm (9.57"), second only to January's record high.

Temperature

The weather in Klaten during December records an average high-temperature of a still tropical 30.7°C (87.3°F), closely mirroring the preceding month. Klaten records an average nighttime low-temperature of 23.8°C (74.8°F) throughout December.

Heat index

In December, the average heat index is evaluated at a scorching 41°C (105.8°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Klaten, in December, during 28.7 rainfall days, 243mm (9.57") of precipitation is typically accumulated. In Klaten, during the entire year, the rain falls for 256 days and collects up to 1649mm (64.92") of precipitation.

Daylight

December has the longest days of the year in Klaten, with an average of 12h and 36min of daylight.
On the first day of the month, sunrise is at 05:10 and sunset at 17:42. On the last day of December, sunrise is at 05:23 and sunset at 17:57 WIB.

Sunshine

The average sunshine in December in Klaten, Indonesia, is 7.2h.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 7 during December translates into the following directions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.