January weather forecast
Bandung, Indonesia

Stepping into the year, Bandung witnesses a high amount of rainfall, measured at 280mm (11.02"), signaling a substantial monsoon influence. Commensurate temperature fluctuations prevail, keeping the city comfortably warm and encouraging lush vegetative growth. Predominantly cloudy skies and moderate wind speeds make outdoor activities a resounding delight. Deeming the UV index, clear visibility and constant atmospheric pressure under consideration, January offers a distinctive tropical ambiance. The dew-enriched mornings and late evening misty gloom provide a picturesque setting to the city.

Temperature

Bandung, Indonesia, records a slight change with January's average high-temperatures adjusting to a still moderately hot 28.4°C (83.1°F) from December's 28.5°C (83.3°F). Bandung in January experiences a low-temperature average of 21.8°C (71.2°F).

Heat index

January's heat index is calculated to be a hot 33°C (91.4°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.

Humidity

In January, the average relative humidity is 82%.

Rainfall

In Bandung, in January, it is raining for 30.3 days, with typically 280mm (11.02") of accumulated precipitation. Throughout the year, in Bandung, Indonesia, there are 305 rainfall days, and 2154mm (84.8") of precipitation is accumulated.

Daylight

In Bandung, the average length of the day in January is 12h and 28min.
On the first day of January, sunrise is at 05:37 and sunset at 18:08. On the last day of the month, sunrise is at 05:50 and sunset at 18:15 WIB.

Sunshine

The average sunshine in January in Bandung is 8.3h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 6. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 6 in January suggests the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.