December weather forecastRiung, Indonesia

December

Weather in December

The first month of the summer, December, is still a warm month in Riung, Indonesia, with temperature in the range of an average high of 29.2°C (84.6°F) and an average low of 26.7°C (80.1°F).

Temperature

Riung's average high-temperature marks a still warm 29.2°C (84.6°F) with the advent of December, closely mirroring that of the preceding month. Riung consistently logs a low temperature averaging a still warm 26.7°C (80.1°F) during December, a modest drop from daytime temperatures.

Heat index

For most parts of December, the heat index is estimated at a hot 34°C (93.2°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to 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 Riung, the average relative humidity in December is 75%.

Rainfall

In December, the rain falls for 26.6 days. Throughout December, 156mm (6.14") of precipitation is accumulated. Throughout the year, there are 190.3 rainfall days, and 1021mm (40.2") of precipitation is accumulated.

Sea temperature

With an average sea temperature of 30.7°C (87.3°F), December is the month with the warmest seawater.
Note: Water temperatures exceeding 30°C (86°F) can be viewed as uncomfortable, especially when the primary intention is to cool down from intense heat.

Daylight

With an average of 12h and 36min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:27 and sunset at 18:02. On the last day of December, sunrise is at 05:40 and sunset at 18:17 WITA.

Sunshine

December has the most sunshine of the year, with an average of 10.7h of sunshine.

UV index

The months with the highest UV index in Riung are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 7 suggests these recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.

Updated: Jul 12, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Riung, is 29.2°C (84.6°F) and the average low-temperature is 26.7°C (80.1°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in December is estimated at 34°C (93.2°F).

In December, the average relative humidity is 75%.

In Riung, in December, it is raining for 26.6 days, with typically 156mm (6.14") of accumulated precipitation.

The month with the warmest seawater is December, with an average sea temperature of 30.7°C (87.3°F).

In Riung, in December, the average water temperature is 30.7°C (87.3°F). The surface water temperatures above 30°C (86°F) are arguably considered as unpleasant for swimming, and any intense water activity, as the refreshing effect of water is missing.

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 37min.

On the first day of December, sunrise is at 05:27 and sunset at 18:02. On the last day of the month, sunrise is at 05:40 and sunset at 18:17 WITA.

With an average of 10.7h of sunshine, December has the most sunshine of the year.

In Riung, the average sunshine duration in December is 10.7h.

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

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

The average daily maximum UV index in December is 7. A UV Index estimate of 6 to 7 represents a high health threat 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

29.3°C

29.2°C

28.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7km/h

7.8km/h

10.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

17.7

26.6

26.3

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

7.2

2.7

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Riung, Indonesia

Average high temperature in December: 29.2°C

The warmest month (with the highest average high temperature) is November (29.3°C).
The month with the lowest average high temperature is July (26.7°C).

Average low temperature in December: 26.7°C

The month with the highest average low temperature is December (26.7°C).
The coldest month (with the lowest average low temperature) is August (24°C).

Average pressure in December
Riung, Indonesia

Average pressure in December: 1007.9mbar

The month with the highest atmospheric pressure is August (1012.1mbar).
The months with the lowest atmospheric pressure are January and December (1007.9mbar).

Average wind speed in December
Riung, Indonesia

Average wind speed in December: 7.2km/h

The windiest month (with the highest average wind speed) is July (10.7km/h).
The calmest month (with the lowest average wind speed) is November (6.2km/h).

Average humidity in December
Riung, Indonesia

Average humidity in December: 75%

The months with the highest relative humidity are January and May (78%).
The months with the lowest relative humidity are August and October (74%).

Average rainfall in December
Riung, Indonesia

Average rainfall in December: 156mm

The wettest month (with the highest rainfall) is January (204mm).
The driest month (with the least rainfall) is August (8mm).

Average rainfall days in December
Riung, Indonesia

Average rainfall days in December: 26.6 days

The month with the highest number of rainy days is December (26.6 days).
The month with the least rainy days is August (5.5 days).

Average sea temperature in December
Riung, Indonesia

Average sea temperature in December: 30.7°C

The best month for swimming (with the highest average sea temperature) is December (30.7°C).
The coldest month (with the lowest average sea temperature) is July (27.6°C).

Average daylight in December /
Average sunshine in December
Riung, 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 36min).

Average sunshine in December: 10h and 42min

The month with the most sunshine is December (Average sunshine: 10h and 42min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).

Average sunshine days in December
Riung, Indonesia

Average sunshine days in December: 2 days

The month with the most sunshine days is August (22.1 days).
The month with the least sunshine days is December (2 days).

Average UV index in December
Riung, 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
Riung, Indonesia

Average cloud cover in December: 33

The month with the most cloud cover is January (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 12).

Average visibility in December
Riung, Indonesia

Average visibility in December: 10km

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