December weather forecast
Denpasar, Indonesia

December ushers in the full-force rainy season in Denpasar, with rainfall reaching up to 100mm (3.94"). The month also sees a rise in sea temperatures, reaching an annual high of 29.3°C (84.7°F). A noticeable increase in daylight hours accompanies this shift, with Denpasar enjoying 12.6 hours of daylight on average every day. Despite the increased rainfall, December provides holidaymakers with ideal tropical beach weather. This mix of sun and rain creates a festive atmosphere, capping off a year of diverse weather experiences in Denpasar.

Temperature

Denpasar's shift into December sets the average high-temperature at a still moderately hot 28.5°C (83.3°F), a figure that deviates only slightly from November's 28.4°C (83.1°F). Denpasar's nighttime temperature in December consistently rests at a still moderately hot 25.8°C (78.4°F).

Heat index

During December, the heat index is evaluated at a hot 33°C (91.4°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. 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.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In December, the rain falls for 24 days. Throughout December, 100mm (3.94") of precipitation is accumulated. In Denpasar, Indonesia, during the entire year, the rain falls for 234.1 days and collects up to 717mm (28.23") of precipitation.

Sea temperature

With an average sea temperature of 29.3°C (84.7°F), December is the month with the warmest seawater.
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.

Daylight

The month with the longest days in Denpasar is December, with an average of 12h and 36min of daylight.
On the first day of December, sunrise is at 05:50 and sunset at 18:25. On the last day of the month, sunrise is at 06:03 and sunset at 18:40 WITA.

Sunshine

In December, the average sunshine is 9.5h.

UV index

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 7 during December translates into the following guidance:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Warning! Sand and water reflections boost the intensity of UV exposure.