January weather forecast
Jerudong, Brunei

January invites a new year with a relatively high range of humidity, registering at 81%. The occurrence of rainfall dominates most days of the month, making outdoor activities a bit challenging. Expect overcast skies as the maximum cloud percentage hovers around 42%. Despite these conditions, the coastal breeze keeps the weather tolerable. The afternoons shed some light with an average daylight of around 11.9 hours.

Temperature

Jerudong sees its lowest temperatures during January and February, with an average high-temperature of 29.2°C (84.6°F).

Heat index

The heat index value for January is calculated to be a torrid 36°C (96.8°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Realize that the values for the heat index are set for shaded places and light winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

January through March, with an average relative humidity of 81%, are the most humid months in Jerudong, Brunei.

Rainfall

In Jerudong, during January, the rain falls for 26.8 days and regularly aggregates up to 144mm (5.67") of precipitation. Throughout the year, in Jerudong, there are 310.9 rainfall days, and 1693mm (66.65") of precipitation is accumulated.

Daylight

In January, the average length of the day is 11h and 52min.
On the first day of the month, sunrise is at 06:28 and sunset at 18:19. On the last day of January, in Jerudong, sunrise is at 06:36 and sunset at 18:31 +08.

Sunshine

January has the least sunshine of the year in Jerudong, Brunei, with an average of 8.2h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Jerudong. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 7 during January translates into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. 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. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.