January weather forecast
Miri, Malaysia

Transitioning from December, the Miri, Malaysia climate remains warm and humid. Hot daytime temperatures of 29.5°C, coupled with high relative humidity of 82%, make the city feel especially steamy. Rainfall rates remain substantial, marking the continuation of the wet season. The beginning of the year does not show drastic changes but sustains the established pattern. Wind speeds are on a moderate side, avoiding an addition of extreme variations to the weather.

Temperature

The shift from December to January is characterized by an average high-temperature of a moderately hot 29.5°C, not significantly different from the 30.2°C of December. A minimal decline in temperature from daytime highs is anticipated in Miri throughout the January nights, averaging 24.9°C.

Heat index

Throughout January, the heat index is estimated at a sweltering 37°C. Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. In high relative humidity, the body's ability to evaporate heat is diminished, resulting in a heightened feeling of warmth. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

January and February, with an average relative humidity of 82%, are the most humid months in Miri.

Rainfall

In January, the rain falls for 26.8 days. Throughout January, 186mm of precipitation is accumulated. In Miri, during the entire year, the rain falls for 280.5 days and collects up to 1574mm of precipitation.

Sea temperature

In Miri, the average seawater temperature in January is 27.8°C.
Note: For engaging in water activities including swimming and diving, temperatures from 25°C to 29°C are perceived as perfect, providing pleasure for extended durations.

Daylight

The average length of the day in January is 11h and 54min.
On the first day of January in Miri, sunrise is at 6:31 am and sunset at 6:23 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:35 pm +08.

Sunshine

The month with the least sunshine is January, with an average of 7.6h of sunshine.

UV index

The months with the highest UV index in Miri, Malaysia, are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Miri. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 7 during January translates into the following guidance:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.