January weather forecast
Renggam, Malaysia

January, the same as December, in Renggam, Malaysia, is another hot winter month, with an average temperature fluctuating between 30.1°C (86.2°F) and 22.7°C (72.9°F).

Temperature

Upon the onset of January, Renggam witnesses an average high-temperature of a still tropical 30.1°C (86.2°F), showing a close resemblance to the prior month. In Renggam, January is marked by an average low-temperature of 22.7°C (72.9°F).

Heat index

Throughout January, the heat index is estimated at a torrid 39°C (102.2°F). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.
It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In January, the average relative humidity is 84%.

Rainfall

In January, the rain falls for 20.6 days. Throughout January, 64mm (2.52") of precipitation is accumulated. In Renggam, Malaysia, during the entire year, the rain falls for 277.1 days and collects up to 1113mm (43.82") of precipitation.

Daylight

The average length of the day in January is 12h and 2min.
On the first day of the month, sunrise is at 7:09 am and sunset at 7:10 pm. On the last day of January, sunrise is at 7:18 am and sunset at 7:20 pm +08.

Sunshine

In Renggam, the average sunshine in January is 6.5h.

UV index

January and December, with an average maximum UV index of 6, are months with the lowest UV index in Renggam. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 6 in January leads to these recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.