January weather forecast
Rengat, Indonesia

January, the same as December, in Rengat, Indonesia, is a hot summer month, with an average temperature fluctuating between 22.6°C (72.7°F) and 30.8°C (87.4°F).

Temperature

The dawn of January sees an average high-temperature of a still tropical 30.8°C (87.4°F), subtly contrasting with December's 30.7°C (87.3°F). Rengat's average low-temperature during January nights is observed to be an agreeable 22.6°C (72.7°F).

Heat index

For most parts of January, the heat index is computed to be a scorching 42°C (107.6°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Heat index specifics point out values are for conditions of shade and a slight breeze. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The average relative humidity in January is 85%.

Rainfall

In Rengat, during January, the rain falls for 27.3 days and regularly aggregates up to 170mm (6.69") of precipitation. In Rengat, during the entire year, the rain falls for 314.4 days and collects up to 1785mm (70.28") of precipitation.

Daylight

In January, the average length of the day is 12h and 8min.
On the first day of January in Rengat, Indonesia, sunrise is at 06:08 and sunset at 18:17. On the last day of the month, sunrise is at 06:19 and sunset at 18:27 WIB.

Sunshine

The month with the least sunshine is January, with an average of 6.1h of sunshine.

UV index

January, February, April, September, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 6 in January leads to these recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.