January weather forecast and climate
Johor Bahru, Malaysia

A view of the majestic grandeur of the Sultan Iskandar Mosque in Johor Bahru, Malaysia, with the surrounding parks and trees
A view of the majestic grandeur of the Sultan Iskandar Mosque in Johor Bahru, Malaysia, with the surrounding parks and trees
January, the same as December, in Johor Bahru, Malaysia, is another tropical winter month, with average temperature fluctuating between 21.9°C (71.4°F) and 31°C (87.8°F).

Temperature

In Johor Bahru, the average high-temperature in January is almost the same as in December - a still hot 31°C (87.8°F). The average low-temperature, in Johor Bahru, is 21.9°C (71.4°F).

Rainfall

In Johor Bahru, during January, the rain falls for 11 days and regularly aggregates up to 162.6mm (6.4") of precipitation. Throughout the year, there are 162 rainfall days, and 2355.5mm (92.74") of precipitation is accumulated.

Sea temperature

January is the month with the coldest seawater in Johor Bahru, Malaysia, with an average sea temperature of 27.7°C (81.9°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

Months with the shortest days in Johor Bahru are January and December, with an average of 12h of daylight.

Sunshine

In January, the average sunshine is 6h.

UV index

January through May, August through December, with an average maximum UV index of 12, are months with the highest UV index in Johor Bahru. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 12 in January transform into the following instructions:
Practice all essential precautions. Protection against sun damage is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in January in Johor Bahru?

The average high-temperature, in January, is 31°C (87.8°F), while the average low-temperature is 21.9°C (71.4°F).

How much does it rain in Johor Bahru in January?

In Johor Bahru, Malaysia, in January, it is raining for 11 days, with typically 162.6mm (6.4") of accumulated precipitation.

What is the month with the coldest sea water in Johor Bahru?

With an average sea temperature of 27.7°C (81.9°F), January is the month with the coldest seawater in Johor Bahru, Malaysia.

How warm is the water in January in Johor Bahru?

In Johor Bahru, Malaysia, in January, the average water temperature is 27.7°C (81.9°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the month with the shortest days in Johor Bahru?

Months with the shortest days in Johor Bahru, Malaysia, are January and December, with an average of 12h of daylight.

What is the average length of the day in January in Johor Bahru?

In January, the average length of the day in Johor Bahru is 12h.

How long on average sun shines in January in Johor Bahru?

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

What is the month with the highest UV index in Johor Bahru?

January through May, August through December, with an average maximum UV index of 12, are months with the highest UV index in Johor Bahru.

What is the UV index reading in January in Johor Bahru?

In Johor Bahru, Malaysia, the average daily maximum UV index in January is 12. A UV Index estimate of 11, and higher, represents an extreme health threat from unprotected exposure to the UV radiation.
Average temperature in January - Johor Bahru, Malaysia
  • Average high temperature in January: 31°C

The warmest month (with the highest average high temperature) is April (32.8°C).
The month with the lowest average high temperature is December (30.6°C).

  • Average low temperature in January: 21.9°C

The month with the highest average low temperature is May (23.1°C).
The coldest month (with the lowest average low temperature) is January (21.9°C).

Average rainfall in January - Johor Bahru, Malaysia
  • Average rainfall in January: 162.6mm

The wettest month (with the highest rainfall) is December (244.5mm).
The driest month (with the least rainfall) is February (139.8mm).

Average rainfall days in January - Johor Bahru, Malaysia
  • Average rainfall days in January: 11 days

The month with the highest number of rainy days is November (17 days).
The month with the least rainy days is February (9 days).

Average sea temperature in January - Johor Bahru, Malaysia
  • Average sea temperature in January: 27.7°C

The best months for swimming (with the highest average sea temperature) are May and June (30.2°C).
The coldest month (with the lowest average sea temperature) is January (27.7°C).

Average daylight in January / Average sunshine in January - Johor Bahru, Malaysia
  • Average daylight in January: 12h

Months with the longest days are April, May, June, July and August (Average daylight: 12.2h).
Months with the shortest days are January and December (Average daylight: 12h).

  • Average sunshine in January: 6h

Months with the most sunshine are February and March (Average sunshine: 7h).
The month with the least sunshine is December (Average sunshine: 4h).

Average UV index in January - Johor Bahru, Malaysia
  • Average UV index in January: 12

Months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 11).