December weather forecastBoyolali, Indonesia
December
Weather in December
The first month of the summer, December, is still a hot month in Boyolali, Indonesia, with an average temperature ranging between max 30.7°C (87.3°F) and min 25°C (77°F).Temperature
December's advent notes a subtle adjustment in average high-temperature to a still hot 30.7°C (87.3°F) from November. Throughout the month of December, Boyolali expects an average low of 25°C (77°F).Heat index
December's average heat index is evaluated at a blisteringly hot 40°C (104°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
In December, the average relative humidity is 79%.Rainfall
In December, the rain falls for 26.3 days. Throughout December, 159mm (6.26") of precipitation is accumulated. In Boyolali, during the entire year, the rain falls for 240.7 days and collects up to 1143mm (45") of precipitation.Daylight
The month with the longest days in Boyolali is December, with an average of 12h and 36min of daylight.On the first day of the month, sunrise is at 05:10 and sunset at 17:42. On the last day of December, sunrise is at 05:24 and sunset at 17:57 WIB.
Sunshine
With an average of 7.8h of sunshine, December has the least sunshine of the year.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Boyolali. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the UV index of 7 transforms into the following advice:
Resist overexposure. Safeguarding from solar damage is indispensable. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Boyolali, Indonesia
- Average high temperature in December: 30.7°C
The warmest month (with the highest average high temperature) is October (33.5°C).
The months with the lowest average high temperature are January and February (29.8°C).
- Average low temperature in December: 25°C
The month with the highest average low temperature is November (25.3°C).
The coldest months (with the lowest average low temperature) are July and August (23.3°C).
Average pressure in December
Boyolali, Indonesia
- Average pressure in December: 1008.9mbar
The months with the highest atmospheric pressure are August and September (1011.1mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in December
Boyolali, Indonesia
- Average wind speed in December: 7.1km/h
The windiest month (with the highest average wind speed) is January (10.5km/h).
The calmest month (with the lowest average wind speed) is April (5.9km/h).
Average humidity in December
Boyolali, Indonesia
- Average humidity in December: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is September (66%).
Average rainfall in December
Boyolali, Indonesia
- Average rainfall in December: 159mm
The wettest month (with the highest rainfall) is January (192mm).
The driest month (with the least rainfall) is August (16mm).
Average rainfall days in December
Boyolali, Indonesia
- Average rainfall days in December: 26.3 days
The month with the highest number of rainy days is January (27.7 days).
The month with the least rainy days is August (9.5 days).
Average daylight in December /
Average sunshine in December
Boyolali, 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 48min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 48min).
Average sunshine days in December
Boyolali, Indonesia
- Average sunshine days in December: 3.7 days
The month with the most sunshine days is August (19.6 days).
The month with the least sunshine days is January (2.1 days).
Average UV index in December
Boyolali, 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
Boyolali, Indonesia
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Boyolali, 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).
