December weather forecastKotagede, Indonesia

December

Weather in December

The first month of the summer, December, is still a warm month in Kotagede, Indonesia, with an average temperature ranging between min 23.2°C (73.8°F) and max 28.7°C (83.7°F).

Temperature

Kotagede's weather in December, with an average high-temperature of a still warm 28.7°C (83.7°F), subtly shifts from November's 29°C (84.2°F). An average low-temperature of 23.2°C (73.8°F) is observed during December nights.

Heat index

In December, the average heat index is computed to be a hot 34°C (93.2°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Data suggests that the heat index is set for environments in shade and with a light wind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

The average relative humidity in December in Kotagede is 82%.

Rainfall

In Kotagede, in December, during 29.4 rainfall days, 189mm (7.44") of precipitation is typically accumulated. In Kotagede, during the entire year, the rain falls for 293.9 days and collects up to 1749mm (68.86") of precipitation.

Daylight

The month with the longest days is December, with an average of 12h and 36min of daylight.
On the first day of the month, sunrise is at 05:11 and sunset at 17:43. On the last day of December, sunrise is at 05:24 and sunset at 17:58 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 in Kotagede are January, April 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 exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 6 during December, leads to the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Updated: Aug 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in December, in Kotagede, is 28.7°C (83.7°F), while the average low-temperature is 23.2°C (73.8°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in December is computed to be 34°C (93.2°F).

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

In December, the rain falls for 29.4 days. Throughout December, 189mm (7.44") of precipitation is accumulated.

With an average of 12h and 36min of daylight, December has the longest days of the year.

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

On the first day of December, sunrise is at 05:11 and sunset at 17:43. On the last day of the month, sunrise is at 05:24 and sunset at 17:58 WIB.

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

In December, the average sunshine duration is 7.4h.

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

The average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.

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
Kotagede, 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
Kotagede, 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
Kotagede, 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
Kotagede, 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
Kotagede, 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
Kotagede, 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
Kotagede, 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
Kotagede, 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
Kotagede, 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
Kotagede, 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
Kotagede, 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).