January weather forecast
Johor Bahru, Malaysia

For Johor Bahru, Malaysia, January's conditions mark a distinguished starting point for the year with the seasonal changes monitoring a considerable deluge. There is an intriguing contrast between the high/low temperatures and the abundant rainfall. This month, with its noticeable drop in solar hours and the lowest UV index reading of 12, experiences 163mm (6.42") of precipitation spread over 11 rainfall days. The warmth of the seawaters, acting as the city's natural thermostat, helps maintain a stable coastal climate throughout this period. Indeed, the presence of sunlight allows tourists to enjoy daylight activities for up to 12 hours a day.

Temperature

Johor Bahru records a slight change with January's average high-temperatures adjusting to a still tropical 31°C (87.8°F) from December's 30.6°C (87.1°F). January's nights in Johor Bahru observe an average temperature of 21.9°C (71.4°F).

Rainfall

In Johor Bahru, in January, during 11 rainfall days, 163mm (6.42") of precipitation is typically accumulated. Throughout the year, in Johor Bahru, there are 162 rainfall days, and 2356mm (92.76") of precipitation is accumulated.

Sea temperature

January is the month with the coldest seawater, with an average sea temperature of 27.7°C (81.9°F).
Note: A water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm and enjoyable, allowing water activities to be pleasant for extended periods without irritation.

Daylight

The average length of the day in January in Johor Bahru is 12h and 3min.
On the first day of January in Johor Bahru, sunrise is at 7:07 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:20 pm +08.

Sunshine

In Johor Bahru, the average sunshine in January is 6h.

UV index

The months with the highest UV index are January through May, August through December, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an ultimate health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In January, the maximum UV index of 12 translates into these guidelines:
Employ every precaution of importance, unprotected skin and eyes could burn within moments. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Ensure the liberal application and reapplication of a broad-spectrum SPF 30+ sunscreen after each outdoor activity or swim, and every two hours. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.