December weather forecastGerem, Indonesia
December
Weather in December
December, the first month of the summer in Gerem, is still a tropical month, with an average temperature ranging between min 26.1°C (79°F) and max 30.3°C (86.5°F).Temperature
The arrival of December is marked by an average high-temperature of a still hot 30.3°C (86.5°F), bearing a close resemblance to November. Gerem's nocturnal December readings average at a moderately hot 26.1°C (79°F), showing little variation from the daytime temperatures.Heat index
December's average heat index is computed to be a torrid 37°C (98.6°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.
Humidity
In Gerem, the average relative humidity in December is 74%.Rainfall
In Gerem, in December, during 25.3 rainfall days, 108mm (4.25") of precipitation is typically accumulated. In Gerem, Indonesia, during the entire year, the rain falls for 245 days and collects up to 1088mm (42.83") 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 the month, sunrise is at 05:31 and sunset at 17:58. On the last day of December, in Gerem, sunrise is at 05:45 and sunset at 18:12 WIB.
Sunshine
In December, the average sunshine is 8.7h.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 estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 7 in December transforms into this advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gerem, Indonesia
- Average high temperature in December: 30.3°C
The warmest month (with the highest average high temperature) is October (31.5°C).
The month with the lowest average high temperature is January (29.5°C).
- Average low temperature in December: 26.1°C
The month with the highest average low temperature is May (26.5°C).
The coldest month (with the lowest average low temperature) is August (25°C).
Average pressure in December
Gerem, Indonesia
- Average pressure in December: 1009.2mbar
The month with the highest atmospheric pressure is September (1011mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in December
Gerem, Indonesia
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).
Average humidity in December
Gerem, Indonesia
- Average humidity in December: 74%
The months with the highest relative humidity are February and March (77%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in December
Gerem, Indonesia
- Average rainfall in December: 108mm
The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the least rainfall) is August (21mm).
Average rainfall days in December
Gerem, Indonesia
- Average rainfall days in December: 25.3 days
The month with the highest number of rainy days is March (26.3 days).
The month with the least rainy days is August (9.8 days).
Average daylight in December /
Average sunshine in December
Gerem, 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: 8h and 42min
The months with the most sunshine are September and October (Average sunshine: 9h and 6min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).
Average sunshine days in December
Gerem, Indonesia
- Average sunshine days in December: 3.3 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is February (1.4 days).
Average UV index in December
Gerem, 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
Gerem, Indonesia
- Average cloud cover in December: 50
The months with the most cloud cover are January and December (Cloud cover 50).
The months with the least cloud cover are August and September (Cloud cover 26).
Average visibility in December
Gerem, 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).
