December weather forecastMelakasari, Indonesia

December weather forecast for Melakasari, Indonesia: The first month of the summer, December, is still a tropical month in Melakasari, Indonesia, with an average temperature fluctuating between 30.2°C (86.4°F) and 25.2°C (77.4°F). January through December, with an average maximum UV index of 7, are months with the highest UV index in Melakasari.

December

Weather in December

The first month of the summer, December, is still a tropical month in Melakasari, Indonesia, with an average temperature fluctuating between 30.2°C (86.4°F) and 25.2°C (77.4°F).

Temperature

With the start of December, Melakasari measures an average high-temperature of a still hot 30.2°C (86.4°F), not significantly differing from November's 30.9°C (87.6°F). Melakasari in December experiences a minor decline in temperature, with an average low of 25.2°C (77.4°F) at night.

Heat index

The heat index value during December is appraised at a sweltering 37°C (98.6°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

In December, the average relative humidity is 76%.

Rainfall

In December, in Melakasari, the rain falls for 27.5 days. Throughout December, 173mm (6.81") of precipitation is accumulated. In Melakasari, during the entire year, the rain falls for 244.1 days and collects up to 1216mm (47.87") of precipitation.

Daylight

With an average of 12h and 30min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:19 and sunset at 17:48. On the last day of December, sunrise is at 05:32 and sunset at 18:03 WIB.

Sunshine

With an average of 8.3h of sunshine, December has the least sunshine of the year.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 7 during December translates into these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

December temperatures vary between a high-temperature of 30.2°C (86.4°F) and a low-temperature of 25.2°C (77.4°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in December is appraised at 37°C (98.6°F).

In December, the average relative humidity is 76%.

In December, in Melakasari, the rain falls for 27.5 days. Throughout December, 173mm (6.81") of precipitation is accumulated.

December has the longest days of the year in Melakasari, with an average of 12h and 30min of daylight.

The average day length in December is 12h and 31min.

In December, on the first day of the month, sunrise is at 05:19 and sunset at 17:48. On the last day of the month, sunrise is at 05:32 and sunset at 18:03 WIB.

The month with the least sunshine is December, with an average of 8.3h of sunshine.

The average sunshine duration in December is 8.3h.

January through December, with an average maximum UV index of 7, are months with the highest UV index in Melakasari.

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

In Melakasari, the average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Melakasari, Indonesia

  • Average high temperature in December: 30.2°C

The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is February (29.3°C).

  • Average low temperature in December: 25.2°C

The month with the highest average low temperature is December (25.2°C).
The coldest month (with the lowest average low temperature) is August (22.5°C).

Average pressure in December
Melakasari, Indonesia

  • Average pressure in December: 1009.2mbar

The month with the highest atmospheric pressure is September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in December
Melakasari, Indonesia

  • Average wind speed in December: 7.4km/h

The windiest month (with the highest average wind speed) is August (12.8km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).

Average humidity in December
Melakasari, Indonesia

  • Average humidity in December: 76%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are September and October (71%).

Average rainfall in December
Melakasari, Indonesia

  • Average rainfall in December: 173mm

The wettest month (with the highest rainfall) is February (207mm).
The driest month (with the least rainfall) is August (13mm).

Average rainfall days in December
Melakasari, Indonesia

  • Average rainfall days in December: 27.5 days

The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is August (7.2 days).

Average daylight in December /
Average sunshine in December
Melakasari, Indonesia

  • Average daylight in December: 12h and 30min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in December: 8h and 18min

The months with the most sunshine are July, August and September (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 8h and 18min).

Average sunshine days in December
Melakasari, Indonesia

  • Average sunshine days in December: 2.7 days

The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is February (0.9 days).

Average UV index in December
Melakasari, Indonesia

  • Average UV index in December: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in December
Melakasari, Indonesia

  • Average cloud cover in December: 47

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in December
Melakasari, Indonesia

  • Average visibility in December: 10km

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).