December weather forecastSelo, Indonesia

December

Weather in December

December, the first month of the summer in Selo, is still a warm month, with an average temperature ranging between max 28.9°C (84°F) and min 24.2°C (75.6°F).

Temperature

The arrival of December sees an average high-temperature of a still warm 28.9°C (84°F), hardly diverging from November's 29.1°C (84.4°F). In Selo, the December nights are characterized by an average low-temperature of 24.2°C (75.6°F), a minor dip from daytime readings.

Heat index

The average heat index in December is estimated at a tropical 34°C (93.2°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in December is 80%.

Rainfall

In Selo, during December, the rain falls for 23.2 days and regularly aggregates up to 94mm (3.7") of precipitation. Throughout the year, there are 245 rainfall days, and 906mm (35.67") of precipitation is accumulated.

Daylight

December has the longest days of the year, 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 17:57 WIB.

Sunshine

The month with the least sunshine is December, with an average of 7.4h of sunshine.

UV index

The months with the highest UV index are February through May, September through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 7 during December, leads to the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Enhance your sun protection with tightly woven, yet airy clothing.

Updated: Aug 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in Selo, is 28.9°C (84°F), while the low-temperature averages to 24.2°C (75.6°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in December is estimated at 34°C (93.2°F).

In Selo, the average relative humidity in December is 80%.

In Selo, Indonesia, during December, the rain falls for 23.2 days and regularly aggregates up to 94mm (3.7") of precipitation.

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

The average day length in December is 12h and 33min.

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 17:57 WIB.

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

The average sunshine duration in December is 7.4h.

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

In Selo, the average daily maximum UV index in December is 7. A UV Index estimate of 6 to 7 represents a high health risk 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

29.1°C

28.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.9km/h

11km/h

12.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

3.4

5.3

4.9

Average UV index

Average cloud cover

46%

49%

Average visibility

10km

Average temperature in December
Selo, Indonesia

Average high temperature in December: 28.9°C

The warmest month (with the highest average high temperature) is October (29.4°C).
The month with the lowest average high temperature is July (27.8°C).

Average low temperature in December: 24.2°C

The months with the highest average low temperature are January and November (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.9°C).

Average pressure in December
Selo, Indonesia

Average pressure in December: 1009.1mbar

The months with the highest atmospheric pressure are August and September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).

Average wind speed in December
Selo, Indonesia

Average wind speed in December: 9.7km/h

The windiest month (with the highest average wind speed) is August (14.5km/h).
The calmest month (with the lowest average wind speed) is March (8.4km/h).

Average humidity in December
Selo, Indonesia

Average humidity in December: 80%

The months with the highest relative humidity are May and June (82%).
The months with the lowest relative humidity are September and October (79%).

Average rainfall in December
Selo, Indonesia

Average rainfall in December: 94mm

The wettest month (with the highest rainfall) is January (126mm).
The driest month (with the least rainfall) is August (14mm).

Average rainfall days in December
Selo, Indonesia

Average rainfall days in December: 23.2 days

The months with the highest number of rainy days are January, March and November (24.7 days).
The month with the least rainy days is August (11.4 days).

Average daylight in December /
Average sunshine in December
Selo, 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 30min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in December
Selo, Indonesia

Average sunshine days in December: 5.3 days

The month with the most sunshine days is August (11.6 days).
The month with the least sunshine days is November (3.4 days).

Average UV index in December
Selo, Indonesia

Average UV index in December: 7

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

Average cloud cover in December
Selo, Indonesia

Average cloud cover in December: 49

The months with the most cloud cover are January and December (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 35).

Average visibility in December
Selo, Indonesia

Average visibility in December: 10km

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