December weather forecast
Blitar, Indonesia

The first month of the summer, December, is also a moderately hot month in Blitar, Indonesia, with an average temperature fluctuating between 23.3°C (73.9°F) and 29°C (84.2°F).

Temperature

As Blitar welcomes December, the average high-temperature records at a still warm 29°C (84.2°F), marking an insignificant deviation from the prior month. In the month of December, the temperature generally rests at an average low of 23.3°C (73.9°F).

Heat index

During December, the heat index is evaluated at a torrid 35°C (95°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. 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.
Evaporating sweat is a key way the human body dispels excessive warmth, all thanks to the process of perspiration. 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 surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

The average relative humidity in December is 82%.

Rainfall

In Blitar, in December, during 28.2 rainfall days, 193mm (7.6") of precipitation is typically accumulated. In Blitar, Indonesia, during the entire year, the rain falls for 274.4 days and collects up to 1518mm (59.76") of precipitation.

Daylight

With an average of 12h and 36min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:03 and sunset at 17:37. On the last day of December, sunrise is at 05:16 and sunset at 17:52 WIB.

Sunshine

The average sunshine in December in Blitar, Indonesia, is 7.6h.

UV index

January through March, May through August and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index, 6 in December, converts into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.