December weather forecastIwul, Indonesia
December
Weather in December
The first month of the summer, December, is still a hot month in Iwul, Indonesia, with temperature in the range of an average low of 26.3°C (79.3°F) and an average high of 30.5°C (86.9°F).Temperature
The arrival of December is marked by an average high-temperature of a still hot 30.5°C (86.9°F), bearing a close resemblance to November. Iwul's average nighttime temperature in December modestly descends to a moderately hot 26.3°C (79.3°F).Heat index
December's average heat index is computed to be a very hot 37°C (98.6°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
In December, the average relative humidity is 73%.Rainfall
In December, the rain falls for 24.9 days. Throughout December, 128mm (5.04") of precipitation is accumulated. Throughout the year, there are 283.6 rainfall days, and 1323mm (52.09") of precipitation is accumulated.Daylight
The month with the longest days is December, with an average of 12h and 30min of daylight.On the first day of the month, sunrise is at 05:28 and sunset at 17:56. On the last day of December, sunrise is at 05:41 and sunset at 18:11 WIB.
Sunshine
In Iwul, the average sunshine in December is 9.4h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 7 in December translates into the following recommendations:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Iwul, Indonesia
- Average high temperature in December: 30.5°C
The warmest month (with the highest average high temperature) is October (31.3°C).
The month with the lowest average high temperature is January (29.6°C).
- Average low temperature in December: 26.3°C
The months with the highest average low temperature are October and November (26.5°C).
The coldest month (with the lowest average low temperature) is July (24.9°C).
Average pressure in December
Iwul, Indonesia
- Average pressure in December: 1009.2mbar
The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in December
Iwul, Indonesia
- Average wind speed in December: 11.8km/h
The windiest month (with the highest average wind speed) is January (12.6km/h).
The calmest month (with the lowest average wind speed) is September (8.6km/h).
Average humidity in December
Iwul, Indonesia
- Average humidity in December: 73%
The months with the highest relative humidity are February and March (76%).
The months with the lowest relative humidity are September and October (69%).
Average rainfall in December
Iwul, Indonesia
- Average rainfall in December: 128mm
The wettest month (with the highest rainfall) is February (162mm).
The driest month (with the least rainfall) is August (49mm).
Average rainfall days in December
Iwul, Indonesia
- Average rainfall days in December: 24.9 days
The month with the highest number of rainy days is March (28.1 days).
The month with the least rainy days is August (15.3 days).
Average daylight in December /
Average sunshine in December
Iwul, 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 48min).
- Average sunshine in December: 9h and 24min
The month with the most sunshine is March (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 7h and 12min).
Average sunshine days in December
Iwul, Indonesia
- Average sunshine days in December: 5.2 days
The month with the most sunshine days is August (10.5 days).
The month with the least sunshine days is March (1.8 days).
Average UV index in December
Iwul, Indonesia
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in December
Iwul, Indonesia
- Average cloud cover in December: 43
The month with the most cloud cover is January (Cloud cover 46).
The months with the least cloud cover are August and September (Cloud cover 22).
Average visibility in December
Iwul, 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).





