December weather forecastSumber Lor, Indonesia

December

Weather in December

December, the first month of the summer in Sumber Lor, is still a warm month, with temperature in the range of an average high of 28.7°C (83.7°F) and an average low of 23.2°C (73.8°F).

Temperature

The unfolding of December shows an average high-temperature of a still moderately hot 28.7°C (83.7°F), indicating a slight variance from November's 29°C (84.2°F). The average low-temperature of 23.2°C (73.8°F) is witnessed during December.

Heat index

In December, the heat index is calculated to be a tropical 34°C (93.2°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', quantifies the warmth felt when relative humidity is considered. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

The average relative humidity in December is 82%.

Rainfall

In Sumber Lor, during December, the rain falls for 29.4 days and regularly aggregates up to 189mm (7.44") of precipitation. In Sumber Lor, Indonesia, during the entire year, the rain falls for 293.9 days and collects up to 1749mm (68.86") 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 December, sunrise is at 05:10 and sunset at 17:42. On the last day of the month, sunrise is at 05:23 and sunset at 17:57 WIB.

Sunshine

December has the least sunshine of the year, with an average of 7.4h of sunshine.

UV index

The months with the lowest UV index are January, April through September, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 6 during December, leads to the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Updated: Aug 23, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Sumber Lor, records 28.7°C (83.7°F), while the low-temperature is 23.2°C (73.8°F). In December, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 34°C (93.2°F).

In Sumber Lor, the average relative humidity in December is 82%.

In Sumber Lor, during December, the rain falls for 29.4 days and regularly aggregates up to 189mm (7.44") of precipitation.

The month with the longest days is December, with an average of 12h and 36min of daylight.

In December, the average day length is 12h and 34min.

In December, on the first day of the month, sunrise is at 05:10 and sunset at 17:42. On the last day of the month, sunrise is at 05:23 and sunset at 17:57 WIB.

The month with the least sunshine is December, with an average of 7.4h of sunshine.

The average sunshine duration in December is 7.4h.

January, April through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index.

In December, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

29°C

28.7°C

28.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.6km/h

9.7km/h

10.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

0.8

0.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Sumber Lor, Indonesia

Average high temperature in December: 28.7°C

The warmest month (with the highest average high temperature) is October (29.3°C).
The month with the lowest average high temperature is July (27.7°C).

Average low temperature in December: 23.2°C

The months with the highest average low temperature are January and November (23.3°C).
The coldest month (with the lowest average low temperature) is August (21°C).

Average pressure in December
Sumber Lor, Indonesia

Average pressure in December: 1009mbar

The month with the highest atmospheric pressure is September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009mbar).

Average wind speed in December
Sumber Lor, Indonesia

Average wind speed in December: 8.5km/h

The windiest month (with the highest average wind speed) is August (11.6km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).

Average humidity in December
Sumber Lor, Indonesia

Average humidity in December: 82%

The months with the highest relative humidity are May and June (84%).
The months with the lowest relative humidity are September and October (80%).

Average rainfall in December
Sumber Lor, Indonesia

Average rainfall in December: 189mm

The wettest month (with the highest rainfall) is March (236mm).
The driest month (with the least rainfall) is August (29mm).

Average rainfall days in December
Sumber Lor, Indonesia

Average rainfall days in December: 29.4 days

The month with the highest number of rainy days is January (30.3 days).
The month with the least rainy days is August (13.8 days).

Average daylight in December /
Average sunshine in December
Sumber Lor, Indonesia

Average daylight in December: 12h and 36min

The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).

Average sunshine in December: 7h and 24min

The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in December
Sumber Lor, Indonesia

Average sunshine days in December: 0.8 days

The month with the most sunshine days is August (11.1 days).
The months with the least sunshine days are January and February (0.4 days).

Average UV index in December
Sumber Lor, Indonesia

Average UV index in December: 6

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

Average cloud cover in December
Sumber Lor, Indonesia

Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July and August (Cloud cover 38).

Average visibility in December
Sumber Lor, Indonesia

Average visibility in December: 9km

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