January weather forecastBoyolali, Indonesia
January weather forecast for Boyolali, Indonesia: In January, the average heat index, which represents the influence of relative humidity on air temperature, is evaluated at 37°C (98.6°F). January, the same as December, is another warm summer month in Boyolali, Indonesia, with an average temperature ranging between min 24.8°C (76.6°F) and max 29.8°C (85.6°F).
January
Weather in January
January, the same as December, is another warm summer month in Boyolali, Indonesia, with an average temperature ranging between min 24.8°C (76.6°F) and max 29.8°C (85.6°F).Temperature
January and February bring Boyolali's lowest average temperatures, reaching a high of 29.8°C (85.6°F).Heat index
Throughout January, the heat index is evaluated at a fiery hot 37°C (98.6°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.The standards for the heat index are set for locations in shade and under light breezes. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.
Humidity
In Boyolali, the average relative humidity in January is 81%.Rainfall
The month with the most rainfall is January, when the rain falls for 27.7 days and typically aggregates up to 192mm (7.56") of precipitation.Daylight
In Boyolali, the average length of the day in January is 12h and 30min.On the first day of January, sunrise is at 05:24 and sunset at 17:57. On the last day of the month, sunrise is at 05:37 and sunset at 18:04 WIB.
Sunshine
In January, the average sunshine is 8h.UV index
The months with the highest UV index in Boyolali, Indonesia, are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 7 during January morphs into the following directions:
Inhibit overexposure. Warding off sun damage is of utmost importance. 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. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Boyolali, Indonesia
- Average high temperature in January: 29.8°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 January: 24.8°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 January
Boyolali, Indonesia
- Average pressure in January: 1009.3mbar
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 January
Boyolali, Indonesia
- Average wind speed in January: 10.5km/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 January
Boyolali, Indonesia
- Average humidity in January: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is September (66%).
Average rainfall in January
Boyolali, Indonesia
- Average rainfall in January: 192mm
The wettest month (with the highest rainfall) is January (192mm).
The driest month (with the least rainfall) is August (16mm).
Average rainfall days in January
Boyolali, Indonesia
- Average rainfall days in January: 27.7 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 January /
Average sunshine in January
Boyolali, Indonesia
- Average daylight in January: 12h and 30min
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 January: 8h and 0min
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 January
Boyolali, Indonesia
- Average sunshine days in January: 2.1 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 January
Boyolali, Indonesia
- Average UV index in January: 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 January
Boyolali, Indonesia
- Average cloud cover in January: 50
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 January
Boyolali, Indonesia
- Average visibility in January: 9km
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).





