January weather forecastBelawan, Indonesia

Weather in January

January, like December, in Belawan, Indonesia, is a moderately hot winter month, with temperature in the range of an average low of 24.1°C (75.4°F) and an average high of 29.9°C (85.8°F).

Temperature

Belawan registers an average high-temperature of a still moderately hot 29.9°C (85.8°F) at the commencement of January, closely related to the preceding month. Belawan in January anticipates an average nighttime temperature of 24.1°C (75.4°F).

Heat index

For most parts of January, the heat index is estimated at a very hot 37°C (98.6°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In Belawan, the average relative humidity in January is 79%.

Rainfall

In January, the rain falls for 25 days. Throughout January, 100mm (3.94") of precipitation is accumulated. Throughout the year, in Belawan, there are 317.8 rainfall days, and 1437mm (56.57") of precipitation is accumulated.

Sea temperature

January is the month with the coldest seawater, with an average sea temperature of 28.8°C (83.8°F).
Note: For water activities like swimming, diving, and more, temperatures ranging between 25°C (77°F) and 29°C (84.2°F) offer superior comfort and enjoyment for lengthy durations.

Daylight

In January, the average length of the day is 11h and 56min.
On the first day of January, sunrise is at 06:31 and sunset at 18:25. On the last day of the month, sunrise is at 06:39 and sunset at 18:37 WIB.

Sunshine

In January, the average sunshine in Belawan is 8.6h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 7 in January suggests the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Stay cautious! Sand and water reflections increase UV radiation potency.