December weather forecastWatesari, Indonesia

December

Weather in December

The first month of the summer, December, is still a tropical month in Watesari, Indonesia, with temperature in the range of an average low of 24.1°C (75.4°F) and an average high of 31.5°C (88.7°F).

Temperature

Entering December, Watesari's average high-temperature reads a still tropical 31.5°C (88.7°F), indicating a close resemblance to the previous month's climate. In December, the average low-temperature records at a warm 24.1°C (75.4°F) during the nights.

Heat index

During December, the heat index is evaluated at a blistering 41°C (105.8°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Always consider that heat index estimations are for light winds and places in the shade. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In Watesari, the average relative humidity in December is 77%.

Rainfall

In Watesari, in December, it is raining for 28.5 days, with typically 192mm (7.56") of accumulated precipitation. In Watesari, during the entire year, the rain falls for 218.1 days and collects up to 1410mm (55.51") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:03 and sunset at 17:34. On the last day of December, in Watesari, sunrise is at 05:16 and sunset at 17:49 WIB.

Sunshine

In December, the average sunshine is 7.9h.

UV index

February, April 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 threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 7 during December translates into these guidelines:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Enhance your sun protection with tightly woven, yet airy clothing.

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

Frequently asked questions

The high-temperature, in December, in Watesari, records 31.5°C (88.7°F), while the low-temperature is 24.1°C (75.4°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in December is evaluated at 41°C (105.8°F).

In December, the average relative humidity is 77%.

In Watesari, in December, it is raining for 28.5 days, with typically 192mm (7.56") of accumulated precipitation.

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

In Watesari, Indonesia, the average day length in December is 12h and 33min.

In December, on the first day of the month, sunrise is at 05:03 and sunset at 17:34. On the last day of the month, sunrise is at 05:16 and sunset at 17:49 WIB.

In December, the average sunshine duration is 7.9h.

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

In Watesari, the average daily maximum UV index in December is 7. A UV Index of 6 to 7 symbolizes 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

33.5°C

31.5°C

30.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.7km/h

7km/h

8.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

4.4

1.4

0.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Watesari, Indonesia

Average high temperature in December: 31.5°C

The warmest month (with the highest average high temperature) is October (34.6°C).
The month with the lowest average high temperature is February (30.1°C).

Average low temperature in December: 24.1°C

The month with the highest average low temperature is November (24.9°C).
The coldest months (with the lowest average low temperature) are July and August (21.8°C).

Average pressure in December
Watesari, Indonesia

Average pressure in December: 1008.7mbar

The months with the highest atmospheric pressure are August and September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).

Average wind speed in December
Watesari, Indonesia

Average wind speed in December: 6.3km/h

The windiest month (with the highest average wind speed) is September (7.7km/h).
The calmest month (with the lowest average wind speed) is April (5.4km/h).

Average humidity in December
Watesari, Indonesia

Average humidity in December: 77%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are September and October (62%).

Average rainfall in December
Watesari, Indonesia

Average rainfall in December: 192mm

The wettest month (with the highest rainfall) is February (273mm).
The driest month (with the least rainfall) is August (6mm).

Average rainfall days in December
Watesari, Indonesia

Average rainfall days in December: 28.5 days

The month with the highest number of rainy days is January (30.1 days).
The month with the least rainy days is August (4 days).

Average daylight in December /
Average sunshine in December
Watesari, 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: 7h and 54min

The months with the most sunshine are August, September and October (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).

Average sunshine days in December
Watesari, Indonesia

Average sunshine days in December: 1.4 days

The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is February (0.3 days).

Average UV index in December
Watesari, Indonesia

Average UV index in December: 7

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

Average cloud cover in December
Watesari, Indonesia

Average cloud cover in December: 44

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are August and September (Cloud cover 17).

Average visibility in December
Watesari, Indonesia

Average visibility in December: 9km

The months with the highest visibility are June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and March (8km).