December weather forecastTegal, Indonesia

December

Weather in December

The first month of the summer, December, is also a moderately hot month in Tegal, Indonesia, with an average temperature fluctuating between 24°C (75.2°F) and 28.3°C (82.9°F).

Temperature

As November transitions into December, the average high-temperature rests at a still moderately hot 28.3°C (82.9°F), maintaining a close resemblance to the previous month. Throughout December, Tegal reports a steady low-temperature average of 24°C (75.2°F), slightly lower than its daytime counterpart.

Heat index

For December, the heat index is computed to be a tropical 33°C (91.4°F). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

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

Rainfall

In December, the rain falls for 26.7 days. Throughout December, 147mm (5.79") of precipitation is accumulated. In Tegal, Indonesia, during the entire year, the rain falls for 291.6 days and collects up to 1452mm (57.17") of precipitation.

Sea temperature

The month with the warmest seawater is December, with an average sea temperature of 30.2°C (86.4°F).
Note: Many would say that diving into waters above 30°C (86°F) is not as refreshing.

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 05:17 and sunset at 17:47. On the last day of December, sunrise is at 05:31 and sunset at 18:02 WIB.

Sunshine

With an average of 7.9h of sunshine, December has the least sunshine of the year.

UV index

January, June through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 6 during December leads to these instructions:
Ward off overexposure. Defence against solar harm is crucial. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be on guard! The reflective nature of sand and water boosts UV exposure.

Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, in Tegal, the average high-temperature is 28.3°C (82.9°F), and the average low-temperature is 24°C (75.2°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in December is computed to be 33°C (91.4°F).

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

The average relative humidity in December in Tegal is 80%.

In Tegal, in December, during 26.7 rainfall days, 147mm (5.79") of precipitation is typically accumulated.

With an average sea temperature of 30.2°C (86.4°F), December is the month with the warmest seawater.

In Tegal, Indonesia, in December, the average water temperature is 30.2°C (86.4°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.

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

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

In December, on the first day of the month, sunrise is at 05:17 and sunset at 17:47. On the last day of the month, in Tegal, sunrise is at 05:31 and sunset at 18:02 WIB.

With an average of 7.9h of sunshine, December has the least sunshine of the year in Tegal.

In Tegal, Indonesia, the average sunshine duration in December is 7.9h.

The months with the lowest UV index in Tegal are January, June 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 of 6 to 7 symbolizes a high health threat from unsafe 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

28.4°C

28.3°C

28.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.4km/h

8.7km/h

9.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

27.5

26.7

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

1.3

2.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Tegal, Indonesia

Average high temperature in December: 28.3°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°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
Tegal, Indonesia

Average pressure in December: 1009.2mbar

The months with the highest atmospheric pressure are August and September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in December
Tegal, 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
Tegal, 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 and December (80%).

Average rainfall in December
Tegal, Indonesia

Average rainfall in December: 147mm

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
Tegal, Indonesia

Average rainfall days in December: 26.7 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 sea temperature in December
Tegal, Indonesia

Average sea temperature in December: 30.2°C

The best month for swimming (with the highest average sea temperature) is December (30.2°C).
The coldest month (with the lowest average sea temperature) is August (27.9°C).

Average daylight in December /
Average sunshine in December
Tegal, 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 month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 54min).

Average sunshine days in December
Tegal, Indonesia

Average sunshine days in December: 2.8 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
Tegal, 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
Tegal, Indonesia

Average cloud cover in December: 46

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

Average visibility in December
Tegal, 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).