January weather forecast
Mantingan, Indonesia

January, like December, is another tropical summer month in Mantingan, Indonesia, with an average temperature fluctuating between 23.3°C (73.9°F) and 30.1°C (86.2°F).

Temperature

January proves to be the coldest month, recording an average maximum temperature of 30.1°C (86.2°F) and a minimum temperature of 23.3°C (73.9°F).

Heat index

Throughout January, the heat index is calculated to be a sweltering 39°C (102.2°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. Elevated heat gain compared to the body's release capability poses risks of dehydration and potential overheating.

Humidity

The average relative humidity in January is 83%.

Rainfall

In Mantingan, during January, the rain falls for 28.2 days and regularly aggregates up to 193mm (7.6") of precipitation. Throughout the year, in Mantingan, there are 251.9 rainfall days, and 1387mm (54.61") of precipitation is accumulated.

Daylight

The average length of the day in January in Mantingan is 12h and 30min.
On the first day of January in Mantingan, Indonesia, sunrise is at 05:22 and sunset at 17:54. On the last day of the month, sunrise is at 05:35 and sunset at 18:01 WIB.

Sunshine

With an average of 7.6h of sunshine, January has the least sunshine of the year.

UV index

The month with the lowest UV index in Mantingan is January, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 6 in January translates into this advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Boost your sun resistance with garments that are densely woven yet spacious.