December weather forecast
Palu, Indonesia

December marks the return to characteristic averages, with both highs and lows rounding out the year on a familiar note. Rainfall matches November’s showers at 199mm (7.83"), perpetuating a tropical feel within the city. Warm sea temperatures of 29.4°C (84.9°F) continue to attract water thrill-seekers. Despite the onset of the rainy season, daylight hours stretch up to 12.2 hours. Compared to November, December maintains a similar weather pattern, limited mostly by the consistent rainfall and pleasant sea temperatures.

Temperature

The introduction of December brings an average high temperature of a still moderately hot 28.4°C (83.1°F), mirroring the readings of the previous month. In Palu, the December nights cool down to an average low of 22.5°C (72.5°F).

Heat index

Throughout December, the heat index is appraised at a hot 34°C (93.2°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. 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 particularly important for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Palu, during December, the rain falls for 29.5 days and regularly aggregates up to 199mm (7.83") of precipitation. Throughout the year, there are 347.3 rainfall days, and 2504mm (98.58") of precipitation is accumulated.

Sea temperature

In Palu, the average seawater temperature in December is 29.4°C (84.9°F).
Note: Water temperature ranging between 25°C (77°F) and 29°C (84.2°F) is considered very warm and pleasing for everyone. It allows for enjoyable water activities over extended periods without discomfort.

Daylight

With an average of 12h and 12min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:44 and sunset at 17:54. On the last day of the month, sunrise is at 05:58 and sunset at 18:08 WITA.

Sunshine

In December, the average sunshine is 8.8h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 6 in December transforms into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Beware! Reflections from sand and water can intensify the Sun's UV radiation.