January weather forecast
Redang Island, Malaysia

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The rocky white sandy shores of the Marine Park in Redang Island, Malaysia
The rocky white sandy shores of the Marine Park in Redang Island, Malaysia

Weather in January

Redang Island's weather in January is marked by substantial rainfall with the month's total reaching 297mm (11.69"). Warm and balmy sea temperatures make the coastal waters near the island attractive for divers. The region's tropical climate ensures an all year warm spell, albeit with significant wetter periods. While the skies are often cloudy, sunshine-adorned hours provide adequate opportunities for sightseeing and outdoor indulgence. January's weather should not deter holiday planning, as it maintains a comforting balance of sunshine, warmth, and refreshing showers.

Temperature

The lowest level of Redang Island's temperatures is noted during January and December, averaging a high-temperature of 28°C (82.4°F).

Rainfall

In Redang Island, in January, it is raining for 13 days, with typically 297mm (11.69") of accumulated precipitation. Throughout the year, there are 181 rainfall days, and 3099mm (122.01") of precipitation is accumulated.

Sea temperature

January, February and December, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater in Redang Island.
Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 25°C (77°F) to 29°C (84.2°F), without any unpleasant sensations for prolonged durations.

Daylight

The average length of the day in January is 11h and 50min.
On the first day of January, sunrise is at 7:17 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:17 pm +08.

Sunshine

The average sunshine in January is 6h.

UV index

The months with the highest UV index are January through May, July through November, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an extreme health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 12 in January translates into the following recommendations:
Put into effect every essential safeguard, as unprotected skin and eyes might burn instantly. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. One must apply and reapply generously an SPF 30+ broad-spectrum sunscreen every two hours or after an outdoor workout or swim. Alert! UV radiation becomes sharper due to reflections from sand and water.

Frequently asked questions

What time of the year is the coldest?

Redang Island's average lowest temperatures are recorded in January and December, reaching a high of 28°C (82.4°F).

How hot does it get in January?

January temperatures vary between a high-temperature of 28°C (82.4°F) and a low-temperature of 22°C (71.6°F).

How much does it rain in January?

In January, the rain falls for 13 days. Throughout January, 297mm (11.69") of precipitation is accumulated.

What months are the sea coldest?

January, February and December, with an average sea temperature of 27°C (80.6°F), are months with the coldest seawater.

What is the sea water temperature in January?

In Redang Island, the average seawater temperature in January is 27°C (80.6°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 average length of the day in January?

The average day length in January is 11h and 50min.

When are sunrise and sunset in January in Redang Island?

On the first day of January, sunrise is at 7:17 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:17 pm +08.

How many hours of sunshine does Redang Island have in January?

In January, the average sunshine duration is 6h.

What are the months with the highest UV index?

The months with the highest UV index are January through May, July through November, with an average maximum UV index of 12.

What is the UV index intensity in January?

In Redang Island, the average daily maximum UV index in January is 12. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in January
Redang Island, Malaysia

Average temperature in January - Redang Island, Malaysia
  • Average high temperature in January: 28°C

The warmest months (with the highest average high temperature) are April, May and June (32°C).
The months with the lowest average high temperature are January and December (28°C).

  • Average low temperature in January: 22°C

The month with the highest average low temperature is May (24°C).
The coldest month (with the lowest average low temperature) is January (22°C).

Average rainfall in January
Redang Island, Malaysia

Average rainfall in January - Redang Island, Malaysia
  • Average rainfall in January: 297mm

The wettest month (with the highest rainfall) is December (661mm).
The driest month (with the least rainfall) is April (93mm).

Average rainfall days in January
Redang Island, Malaysia

Average rainfall days in January - Redang Island, Malaysia
  • Average rainfall days in January: 13 days

The month with the highest number of rainy days is November (24 days).
The months with the least rainy days are February and March (9 days).

Average sea temperature in January
Redang Island, Malaysia

Average sea temperature in January - Redang Island, Malaysia
  • Average sea temperature in January: 27°C

The best months for swimming (with the highest average sea temperature) are May and June (30°C).
The coldest months (with the lowest average sea temperature) are January, February and December (27°C).

Average daylight in January /
Average sunshine in January
Redang Island, Malaysia

Average daylight in January / Average sunshine in January - Redang Island, Malaysia
  • Average daylight in January: 11h and 5min

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).

  • Average sunshine in January: 6h

The months with the most sunshine are March and April (Average sunshine: 8h).
The month with the least sunshine is December (Average sunshine: 4h).

Average UV index in January
Redang Island, Malaysia

Average UV index in January - Redang Island, Malaysia
  • Average UV index in January: 12

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

Redang Island, Malaysia

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