December weather forecastRowosari, Indonesia

December

Weather in December

December, the first month of the summer in Rowosari, is also a moderately hot month, with temperature in the range of an average high of 28.5°C (83.3°F) and an average low of 24.2°C (75.6°F).

Temperature

December denotes an average high-temperature of a still moderately hot 28.5°C (83.3°F), identical to November. Rowosari's nocturnal readings in December exhibit minimal variation from the daytime temperatures, averaging at a still warm 24.2°C (75.6°F).

Heat index

The heat index in December is estimated at a tropical 33°C (91.4°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', joins air temperature with relative humidity to produce a temperature perception for humans. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

The months with the lowest humidity are January, March, October and December, with an average relative humidity of 80%.

Rainfall

In Rowosari, in December, during 27.3 rainfall days, 158mm (6.22") of precipitation is typically accumulated. Throughout the year, there are 292.6 rainfall days, and 1477mm (58.15") of precipitation is accumulated.

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 05:13 and sunset at 17:43. On the last day of December, sunrise is at 05:27 and sunset at 17:58 WIB.

Sunshine

With an average of 7.7h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January, June through September, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during December translates into these guidelines:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Updated: Aug 22, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during December are 28.5°C (83.3°F) and 24.2°C (75.6°F) respectively. In December, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 33°C (91.4°F).

January, March, October and December, with an average relative humidity of 80%, are the least humid months in Rowosari.

The average relative humidity in December is 80%.

In Rowosari, in December, it is raining for 27.3 days, with typically 158mm (6.22") of accumulated precipitation.

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

In December, the average day length is 12h and 31min.

In December, on the first day of the month, sunrise is at 05:13 and sunset at 17:43. On the last day of the month, sunrise is at 05:27 and sunset at 17:58 WIB.

With an average of 7.7h of sunshine, December has the least sunshine of the year.

In Rowosari, the average sunshine duration in December is 7.7h.

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

The average daily maximum UV index in December is 6. A UV Index of 6 to 7 symbolizes 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

28.5°C

28.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.5km/h

8.8km/h

9.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

1.5

2.6

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Rowosari, Indonesia

Average high temperature in December: 28.5°C

The warmest months (with the highest average high temperature) are February, March and April (29°C).
The month with the lowest average high temperature is July (27°C).

Average low temperature in December: 24.2°C

The month with the highest average low temperature is April (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.7°C).

Average pressure in December
Rowosari, Indonesia

Average pressure in December: 1009.1mbar

The months with the highest atmospheric pressure are August and September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).

Average wind speed in December
Rowosari, Indonesia

Average wind speed in December: 7.7km/h

The windiest month (with the highest average wind speed) is August (13km/h).
The calmest month (with the lowest average wind speed) is March (7.1km/h).

Average humidity in December
Rowosari, Indonesia

Average humidity in December: 80%

The months with the highest relative humidity are June and July (83%).
The months with the lowest relative humidity are January, March, October and December (80%).

Average rainfall in December
Rowosari, Indonesia

Average rainfall in December: 158mm

The wettest months (with the highest rainfall) are January and March (185mm).
The driest month (with the least rainfall) is August (28mm).

Average rainfall days in December
Rowosari, Indonesia

Average rainfall days in December: 27.3 days

The month with the highest number of rainy days is January (28 days).
The month with the least rainy days is August (18.2 days).

Average daylight in December /
Average sunshine in December
Rowosari, 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 42min

The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 42min).

Average sunshine days in December
Rowosari, Indonesia

Average sunshine days in December: 2.6 days

The month with the most sunshine days is July (5.5 days).
The month with the least sunshine days is February (1.2 days).

Average UV index in December
Rowosari, Indonesia

Average UV index in December: 6

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

Average cloud cover in December
Rowosari, Indonesia

Average cloud cover in December: 47

The months with the most cloud cover are January and December (Cloud cover 47).
The months with the least cloud cover are May, June and August (Cloud cover 36).

Average visibility in December
Rowosari, Indonesia

Average visibility in December: 10km

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