December weather forecastMangasa, Indonesia

December

Weather in December

December, the first month of the summer in Mangasa, is also a moderately hot month, with an average temperature fluctuating between 29.9°C (85.8°F) and 25.1°C (77.2°F).

Temperature

Mangasa, Indonesia, records an average high-temperature of a warm 29.9°C (85.8°F) as December arrives, nearly mirroring the previous month's climate. A consistent average low-temperature of 25.1°C (77.2°F), with a minor variance from the daytime highs, is noted during the nights of December.

Heat index

The heat index value during December is computed to be a sweltering 36°C (96.8°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Overheating and dehydration threats arise when heat gain goes beyond what the body can comfortably shed.

Humidity

In December, the average relative humidity in Mangasa is 76%.

Rainfall

In Mangasa, in December, it is raining for 22.5 days, with typically 106mm (4.17") of accumulated precipitation. Throughout the year, there are 193.7 rainfall days, and 839mm (33.03") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 24min of daylight.
On the first day of the month, sunrise is at 05:39 and sunset at 18:03. On the last day of December, sunrise is at 05:52 and sunset at 18:17 WITA.

Sunshine

With an average of 10.1h of sunshine, December has the most sunshine of the year.

UV index

February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 7 translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

Mangasa in December has an average high-temperature of 29.9°C (85.8°F) and an average low-temperature of 25.1°C (77.2°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in December is computed to be 36°C (96.8°F).

In December, the average relative humidity in Mangasa is 76%.

In Mangasa, during December, the rain falls for 22.5 days and regularly aggregates up to 106mm (4.17") of precipitation.

With an average of 12h and 24min of daylight, December has the longest days of the year.

In December, the average day length is 12h and 25min.

In December, on the first day of the month, sunrise is at 05:39 and sunset at 18:03. On the last day of the month, sunrise is at 05:52 and sunset at 18:17 WITA.

The month with the most sunshine is December, with an average of 10.1h of sunshine.

In December, the average sunshine duration is 10.1h.

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

In December, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents 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
Mangasa, Indonesia

  • Average high temperature in December: 29.9°C

The warmest month (with the highest average high temperature) is October (32.2°C).
The month with the lowest average high temperature is January (29.1°C).

  • Average low temperature in December: 25.1°C

The month with the highest average low temperature is November (25.5°C).
The coldest month (with the lowest average low temperature) is August (23°C).

Average pressure in December
Mangasa, Indonesia

  • Average pressure in December: 1008.3mbar

The month with the highest atmospheric pressure is August (1010.8mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).

Average wind speed in December
Mangasa, Indonesia

  • Average wind speed in December: 7.3km/h

The windiest month (with the highest average wind speed) is January (8.7km/h).
The calmest month (with the lowest average wind speed) is May (6.1km/h).

Average humidity in December
Mangasa, Indonesia

  • Average humidity in December: 76%

The months with the highest relative humidity are April and May (79%).
The month with the lowest relative humidity is October (66%).

Average rainfall in December
Mangasa, Indonesia

  • Average rainfall in December: 106mm

The wettest month (with the highest rainfall) is January (159mm).
The driest month (with the least rainfall) is September (9mm).

Average rainfall days in December
Mangasa, Indonesia

  • Average rainfall days in December: 22.5 days

The month with the highest number of rainy days is March (23.8 days).
The month with the least rainy days is August (4.9 days).

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

  • Average daylight in December: 12h and 24min

The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).

  • Average sunshine in December: 10h and 6min

The month with the most sunshine is December (Average sunshine: 10h and 6min).
The month with the least sunshine is May (Average sunshine: 6h and 48min).

Average sunshine days in December
Mangasa, Indonesia

  • Average sunshine days in December: 6.8 days

The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is March (4.1 days).

Average UV index in December
Mangasa, Indonesia

  • Average UV index in December: 7

The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).

Average cloud cover in December
Mangasa, Indonesia

  • Average cloud cover in December: 40

The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 15).

Average visibility in December
Mangasa, Indonesia

  • Average visibility in December: 10km

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