December weather forecastColo, Indonesia

December

Weather in December

The first month of the summer, December, is still a tropical month in Colo, Indonesia, with temperature in the range of an average high of 31°C (87.8°F) and an average low of 24.7°C (76.5°F).

Temperature

Colo starts December with an average high-temperature of a still tropical 31°C (87.8°F), a minor shift from November's 31.8°C (89.2°F). An average low-temperature of 24.7°C (76.5°F) is recorded during the nights in December.

Heat index

For most parts of December, the heat index is computed to be a scorching 41°C (105.8°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In December, the rain falls for 25.5 days. Throughout December, 135mm (5.31") of precipitation is accumulated. In Colo, during the entire year, the rain falls for 238.8 days and collects up to 1049mm (41.3") 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 December, sunrise is at 05:11 and sunset at 17:39. On the last day of the month, sunrise is at 05:24 and sunset at 17:54 WIB.

Sunshine

The average sunshine in December is 7.7h.

UV index

The months with the highest UV index are February 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 average individuals.
Note: In December, the UV index of 7 transforms into the following advice:
Ward off overexposure. Defence against solar harm is crucial. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.

Updated: Aug 28, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Colo, in December, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 24.7°C (76.5°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in December is computed to be 41°C (105.8°F).

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

In Colo, during December, the rain falls for 25.5 days and regularly aggregates up to 135mm (5.31") of precipitation.

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

In December, the average day length in Colo is 12h and 30min.

In December, on the first day of the month, sunrise is at 05:11 and sunset at 17:39. On the last day of the month, sunrise is at 05:24 and sunset at 17:54 WIB.

In December, the average sunshine duration is 7.7h.

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

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

31.8°C

31°C

30°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.5km/h

8km/h

11.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

4.1

4.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Colo, Indonesia

Average high temperature in December: 31°C

The warmest month (with the highest average high temperature) is October (32.9°C).
The month with the lowest average high temperature is February (29.9°C).

Average low temperature in December: 24.7°C

The month with the highest average low temperature is November (25°C).
The coldest month (with the lowest average low temperature) is August (23°C).

Average pressure in December
Colo, Indonesia

Average pressure in December: 1008.8mbar

The months with the highest atmospheric pressure are August and September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).

Average wind speed in December
Colo, Indonesia

Average wind speed in December: 7.3km/h

The windiest month (with the highest average wind speed) is January (10.3km/h).
The calmest month (with the lowest average wind speed) is April (6km/h).

Average humidity in December
Colo, Indonesia

Average humidity in December: 80%

The months with the highest relative humidity are February and April (82%).
The month with the lowest relative humidity is September (67%).

Average rainfall in December
Colo, Indonesia

Average rainfall in December: 135mm

The wettest month (with the highest rainfall) is January (158mm).
The driest month (with the least rainfall) is August (20mm).

Average rainfall days in December
Colo, Indonesia

Average rainfall days in December: 25.5 days

The month with the highest number of rainy days is March (26.3 days).
The month with the least rainy days is August (10.4 days).

Average daylight in December /
Average sunshine in December
Colo, 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 months with the most sunshine are August and September (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 7h and 30min).

Average sunshine days in December
Colo, Indonesia

Average sunshine days in December: 4 days

The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is February (3.4 days).

Average UV index in December
Colo, Indonesia

Average UV index in December: 7

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

Average cloud cover in December
Colo, Indonesia

Average cloud cover in December: 48

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 25).

Average visibility in December
Colo, Indonesia

Average visibility in December: 10km

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