December weather forecast
Wonokalang, Indonesia

The first month of the summer, December, is still a tropical month in Wonokalang, Indonesia, with an average temperature ranging between min 24.1°C (75.4°F) and max 31.5°C (88.7°F).

Temperature

Wonokalang experiences a transition to a still tropical 31.5°C (88.7°F) in average high-temperatures with the arrival of December, not greatly differing from November's 33.5°C (92.3°F). Throughout December, Wonokalang registers a consistent average low-temperature of 24.1°C (75.4°F).

Heat index

During December, the heat index is estimated 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.
Observations indicate that the heat index values are for shady locations with light wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of 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. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

The average relative humidity in December in Wonokalang is 77%.

Rainfall

In Wonokalang, Indonesia, in December, during 28.5 rainfall days, 193mm (7.6") of precipitation is typically accumulated. In Wonokalang, during the entire year, the rain falls for 218.3 days and collects up to 1409mm (55.47") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:02 and sunset at 17:34. On the last day of December, sunrise is at 05:16 and sunset at 17:49 WIB.

Sunshine

The average sunshine in December in Wonokalang is 7.9h.

UV index

February, April through December, with an average maximum UV index of 7, are months with the highest UV index in Wonokalang. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum daily UV index of 7 during December morphs into the following directions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.