December weather forecastCoprayan, Indonesia
December
Weather in December
The first month of the summer, December, is still a tropical month in Coprayan, Indonesia, with an average temperature fluctuating between 30°C (86°F) and 24.5°C (76.1°F).Temperature
December denotes a minimal variation in the average high-temperature to a still tropical 30°C (86°F) from November's 30.9°C (87.6°F). Coprayan's temperature tends to fall to an average low of 24.5°C (76.1°F) during the nights of December.Heat index
December's average heat index is computed to be a torrid 36°C (96.8°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The body's natural response to excessive warmth is perspiration, as it allows for cooling through sweat evaporation. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
In Coprayan, the average relative humidity in December is 75%.Rainfall
In Coprayan, in December, during 27.4 rainfall days, 180mm (7.09") of precipitation is typically accumulated. Throughout the year, in Coprayan, Indonesia, there are 252.6 rainfall days, and 1282mm (50.47") of precipitation is accumulated.Daylight
December has the longest days of the year in Coprayan, with an average of 12h and 30min of daylight.On the first day of the month, sunrise is at 05:15 and sunset at 17:45. On the last day of December, sunrise is at 05:28 and sunset at 18:00 WIB.
Sunshine
December has the least sunshine of the year in Coprayan, with an average of 7.8h of sunshine.UV index
February through December, with an average maximum UV index of 7, are months with the highest UV index in Coprayan. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 7 in December interprets into the following advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coprayan, Indonesia
- Average high temperature in December: 30°C
The warmest month (with the highest average high temperature) is October (31.3°C).
The month with the lowest average high temperature is February (29°C).
- Average low temperature in December: 24.5°C
The month with the highest average low temperature is November (24.8°C).
The coldest month (with the lowest average low temperature) is July (22.6°C).
Average pressure in December
Coprayan, Indonesia
- Average pressure in December: 1009.1mbar
The months with the highest atmospheric pressure are August and September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).
Average wind speed in December
Coprayan, Indonesia
- Average wind speed in December: 6.8km/h
The windiest month (with the highest average wind speed) is January (9.1km/h).
The calmest month (with the lowest average wind speed) is April (5.4km/h).
Average humidity in December
Coprayan, Indonesia
- Average humidity in December: 75%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are September and October (70%).
Average rainfall in December
Coprayan, Indonesia
- Average rainfall in December: 180mm
The wettest month (with the highest rainfall) is January (214mm).
The driest month (with the least rainfall) is August (13mm).
Average rainfall days in December
Coprayan, Indonesia
- Average rainfall days in December: 27.4 days
The month with the highest number of rainy days is January (28.8 days).
The month with the least rainy days is August (8.8 days).
Average daylight in December /
Average sunshine in December
Coprayan, 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 48min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 7h and 48min).
Average sunshine days in December
Coprayan, Indonesia
- Average sunshine days in December: 1.5 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is February (0.6 days).
Average UV index in December
Coprayan, 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
Coprayan, Indonesia
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Coprayan, Indonesia
- Average visibility in December: 9km
The months with the highest visibility are May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March, April and December (9km).





