January weather forecast
Jurong East, Singapore

Starting the year, Jurong East, Singapore experiences typical tropical climate with high humidity and plenty of rainfall. A notable characteristic of this month is the relative humidity which averages at 80%. The days are relatively short, yet with a substantial amount of sunshine, making outdoor activities a viable option. The weather tends to be predictable with only minor fluctuations in temperature. January witnesses calming breezes, with the wind speed averaging at around 11.8km/h (7.3mph).

Temperature

January and December, when the average high-temperature in Jurong East reaches 29.5°C (85.1°F), are the coldest months.

Heat index

January's mean heat index is computed to be a fiery hot 36°C (96.8°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
For clarity, heat index numbers account for light winds and areas under shade. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. 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. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In Jurong East, the average relative humidity in January is 80%.

Rainfall

In Jurong East, Singapore, during January, the rain falls for 27.4 days and regularly aggregates up to 165mm (6.5") of precipitation. In Jurong East, during the entire year, the rain falls for 327.3 days and collects up to 1631mm (64.21") of precipitation.

Daylight

In Jurong East, the average length of the day in January is 12h and 4min.
On the first day of January in Jurong East, sunrise is at 07:06 and sunset at 19:09. On the last day of the month, sunrise is at 07:16 and sunset at 19:20 +08.

Sunshine

The average sunshine in January is 7.6h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Jurong East, Singapore. The months with the lowest UV index in Jurong East are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 7 in January leads to these recommendations:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.