January weather forecast
Ciawijapura, Indonesia

January, like December, in Ciawijapura, Indonesia, is a moderately hot summer month, with temperature in the range of an average low of 24.7°C (76.5°F) and an average high of 29.6°C (85.3°F).

Temperature

Ciawijapura's shift into January sets the average high-temperature at a moderately hot 29.6°C (85.3°F), a figure that deviates only slightly from December's 30.2°C (86.4°F). Ciawijapura records a negligible downturn from daytime temperatures, averaging a low of 24.7°C (76.5°F) in the month of January.

Heat index

In January, the heat index is estimated at a fiery hot 36°C (96.8°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Heat index determinations are made taking into account the shade and light air movements. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

In January, the average relative humidity is 79%.

Rainfall

In January, in Ciawijapura, the rain falls for 28.3 days. Throughout January, 188mm (7.4") of precipitation is accumulated. Throughout the year, in Ciawijapura, there are 244.1 rainfall days, and 1216mm (47.87") of precipitation is accumulated.

Daylight

In January, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 05:33 and sunset at 18:04. On the last day of January, in Ciawijapura, sunrise is at 05:46 and sunset at 18:11 WIB.

Sunshine

The average sunshine in January in Ciawijapura is 9.1h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Ciawijapura. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: In January, a regular UV index of 7 translates into these guidelines:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.