Climate and monthly weather forecast
Redang Island, Malaysia

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

The climate of Redang Island

Redang Island, nestled off the coast of Malaysia, thrives in a tropical rainforest climate, as defined by the Köppen Climate Classification. Its geographical attributes greatly contribute to the overall weather conditions, coupled with being located near the equator, ensuring consistently warm temperatures throughout the year.

An analysis of the climate data unveils that maximum temperatures tend to hover between 32°C and 28°C, while the minimum temperatures steadily align around 23 to 24°C, portraying a minor seasonal fluctuations in temperature. Meanwhile, daylight hours demonstrate slight variations, fluctuating from 11.8 hours to 12.5 hours across the course of the year.

Rainfall in Redang Island showcases remarkable contrasts, with volumes escalating from a yearly low of 93mm in April to a high of 661mm in December. The number of rainfall days follows a similar pattern, amounting to 9 days around February and March before peaking to 24 days in November. Significantly, the sun shines for roughly 4 to 8 hours per day, and the UV index remains consistently high around 11 to 12 all year, indicating the necessity for sun protective measures.

The best time to visit Redang Island

The optimal time to venture to Redang Island coincides with a dip in rainfall and an increasing duration of sunshine. This period, extending from February to April, brings the island's lowest average rainfall, ranging from 93mm to 133mm, with fewer rainy days from 9 to 11 days, offering ample opportunities to explore outdoors.

Simultaneously, daylight averages peak at about 12.3 hours, and the sun shines brightly for about 8 hours per day, very conducive for beach activities or exploration. The sea stays invitingly warm from 27°C to 29°C, encouraging a myriad of water sports. However, ultraviolet radiation remains high with an index of 12, mandating sun safety precautions.

The worst time to visit Redang Island

The period from November to December arguably represents the least favourable time to visit Redang Island, mainly characterized by affluent rainfall. Average monthly precipitation measures skyrocket to 606mm and 661mm, with 24 and 23 rainy days, respectively, potentially disrupting outdoor activities.

The sun shines for the shortest duration, a mere 4 to 5 hours per day, amidst declining daylight hours from 12 to 11.9 hours. Despite temperatures being warm, from 23°C to 28°C, and the sea's temperature at an inviting 27°C to 29°C, constant precipitation might deter beach activities.

Spring weather in Redang Island

Spring weather on Redang Island, from February to April, is moderately dry compared to the rest of the year. Average monthly rainfall is between 93mm and 127mm, with rainy days ranging from 9 to 11 days. During this season, the sun shines brightly for about 7 to 8 hours a day.

Sea temperatures warm up from 27°C to 29°C, perfect for marine activities. Daily temperatures range between 23°C and 30°C-32°C, while daylight extends from 11.9 to 12.3 hours. However, the UV index remains at 12, accentuating the necessity for sun safety measures.

Summer weather in Redang Island

In Redang Island's summer spanning May to August, temperatures maintain a warm average from 23°C to 32°C. Rainfall gradually intensifies with volumes ranging from 137mm in May to 195mm in August, and the number of rainy days incrementally rises from 13 days to 15 days.

Daylight still shines from 12.4 hours to 12.3 hours, with the sun gracing for around 7 hours per day. Sea temperatures peak at 30°C before dropping to 29°C by August, perfect for water-based recreation. Parallely, high ultraviolet radiation persisting at 12 in May and July to 11 in August, necessitates continued sun protection.

Autumn weather in Redang Island

Autumn in Redang Island, extending September to November, sees an increase in rainfall from 235mm to 606mm, and the rainy days expand from 18 to 24 days. Despite this, temperatures remain fairly consistent from 23°C to 31°C.

Daylight diminishes from 12.2 hours to 11.9 hours, and the hours of sunshine decrease from 6 hours to 5 hours per day. Meanwhile, the sea maintains a warm 29°C, and a UV index of 12, subsiding to 11 in November, highlights continuous sun care precautions.

Winter weather in Redang Island

Winter months on Redang Island, encompassing December and January sees the highest rainfall. Precipitation surges to 661mm in December and recedes to 297mm in January. Correspondingly, the number of rainy days peak at 23 days in December before tapering off to 13 days in January.

The sun shines for 4 to 6 hours daily, amidst the slightly decreasing daylight hours from 11.8 hours to 11.9 hours. The average temperature stays from 23°C to 28°C, and the sea temperature cools down to 27°C in January, after a warm 29°C in December. A UV index of 11 to 12 signals the need for ongoing application of sun protection.

Weather in January

Redang Island's weather in January is marked by substantial rainfall with the month's total reaching 297mm. 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. Weather in January »

Weather in February

In contrast to January, the weather in Redang Island improves greatly in February. The precipitation observed for this month is significantly less; a reported 133mm, making it considerably drier than its preceding month. The island experiences an increase in daylight hours, resulting in more time for beach activities and exploration. Weather in February »

Weather in March

The weather during March in Redang Island sees a slight improvement with somewhat drier conditions. The slight increase in the sea temperature gives visitors an opportunity to engage in water activities such as snorkeling or sailing. Weather in March »

Weather in April

April in Redang Island, Malaysia, denotes one of the warmest months, with peak temperatures reaching up to 32°C. Nonetheless, the climate remains enjoyable with balmy sea waters and longer daylight hours enhancing beachside activities. Weather in April »

Weather in May

Despite a marginal increase in rainfall, Redang Island's weather in May still endorses outdoor exploration and watersports. The sea temperature is wonderfully inviting for swimmers and divers, hitting peak values this time around. The consistent blend of rainfall and sunshine maintains the lush greenery and vibrant wildlife on the island, offering ample photo opportunities. Weather in May »

Weather in June

Compared to May, Redang Island's June weather has slightly heavier showers. Even then, 150mm of rainfall does not deter the charm of the island; the weather alternating between warm sunlit hours and refreshing rains. Underwater visibility is excellent, making diving activities a popular choice among tourists. Weather in June »

Weather in July

July on Redang Island, Malaysia sees a slight decrease in peak temperatures, with the highest recorded being 31°C. Despite the precipitation, the rainfall is mostly confined to short-lived downpours, allowing ample sunshine. Evenings are characterized by warm temperatures, perfect for alfresco dining or night beach parties. Weather in July »

Weather in August

August shares similar climatic features with July on Redang Island, providing a consistent tropical experience. The monotony of the weather enhances the island's predictability, making it a reliable destination for tourist activities. Weather in August »

Weather in September

September’s weather in Redang Island sees a significant increase in precipitation, recording a 235mm rainfall that marks the onset of wetter months. Despite this, the island retains its vibrant appeal amidst the rains, with the typically high sea temperatures ensuring ideal conditions for watersports. Weather in September »

Weather in October

October represents the wettest month on Redang Island, with rainfall averaging about 320mm. However, this does not imply a complete washout; the tropical showers intermingled with sunlit periods yield a unique allure. The warm sea temperatures remain intact, still inviting swimmers and divers with its pleasant waters. Weather in October »

Weather in November

November experiences a surge in rainfall on Redang Island, reaching a considerable 606mm. Even then, the island's tropical appeal is unwavering with warm sea temperatures enticing divers and swimmers alike. This month provides a distinct opportunity to experience the lush island landscape in its full glory, with its green aura enhanced by the frequent showers. Weather in November »

Weather in December

The last month of the year on Redang Island, Malaysia does not shy away from rainfall, recording the year’s high at 661mm. The climate retains its tropical charm, with warm sea temperatures that are perfect for diving or boating. Weather in December »


What part of the year is the coldest in Redang Island?

In Redang Island, the coldest period comes during January and December, when the average high-temperature touches 28°C.

How many days does it rain in Redang Island?

Throughout the year, in Redang Island, Malaysia, there are 181 rainfall days, and 3099mm of precipitation is accumulated.

What are the months with the coldest sea water in Redang Island?

The months with the coldest seawater in Redang Island, Malaysia, are January, February and December, with an average sea temperature of 27°C.

When is the highest UV index in Redang Island?

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

What is the month with the most sunshine in Redang Island?

The months with the most sunshine are March and April, with an average of 8h of sunshine.

What is the hottest time of year in Redang Island?

April through June represent the warmest period in Redang Island, with an average high-temperature of 32°C.

What is the driest month in Redang Island?

April is the month with the least rainfall in Redang Island, Malaysia. Rain falls for 11 days and accumulates 93mm of precipitation.

What months are the sea warmest in Redang Island?

May and June, with an average sea temperature of 30°C, are months with the warmest seawater.

When are the longest days in Redang Island?

June has the longest days of the year in Redang Island, Malaysia, with an average of 12h and 30min of daylight.

What are the months with the lowest UV index in Redang Island?

June and December, with an average maximum UV index of 11, are months with the lowest UV index in Redang Island, Malaysia.

What is the rainiest month in Redang Island?

The month with the most rainfall is December, when the rain falls for 23 days and typically aggregates up to 661mm of precipitation.

What is the month with the shortest days in Redang Island?

With an average of 11h and 48min of daylight, December has the shortest days of the year in Redang Island, Malaysia.

Is there Daylight Saving Time (DST) in Redang Island?

Redang Island does not utilize Daylight Saving Time (DST). +08 timezone is used throughout the entire year.

What is the month with the least sunshine in Redang Island?

With an average of 4h of sunshine, December has the least sunshine of the year in Redang Island, Malaysia.

Average rainfall
Redang Island, Malaysia

Average rainfall - Redang Island, Malaysia

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


Average rainfall days
Redang Island, Malaysia

Average rainfall days - Redang Island, Malaysia

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
Redang Island, Malaysia

Average sea temperature - Redang Island, Malaysia

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 / Average sunshine
Redang Island, Malaysia

Average daylight / Average sunshine - Redang Island, Malaysia

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).

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
Redang Island, Malaysia

Average UV index - Redang Island, Malaysia

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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