Sulu Islands

Islands Tropical archipelago in the southern Philippines' Sulu Sea

An archipelago in the far southwest Philippines, the Sulu Islands offer remote diving, traditional Sama and Tausug seafaring culture and white-sand islands; travel requires local arrangements and attention to security advisories.

The Sulu Islands are an archipelago in the southwestern Philippines forming a chain between the Zamboanga Peninsula (Mindanao) and the northern coast of Borneo. The group comprises hundreds of islands and is a distinct maritime region in the southern Philippines.

The archipelago contains extensive coral reef systems, seagrass meadows and a mix of inhabited and uninhabited islands; common activities include inter-island transport, fishing, seaweed farming and diving at select sites. Distances between principal islands can range from a few kilometres up to several tens of kilometres, making boat travel the dominant mode of inter-island movement.

Historically the Sulu Islands were the core territory of the Sultanate of Sulu and a crossroads of trade and culture in the region; they were gradually incorporated into the modern Philippine state during the colonial and early republican periods.

Geographically the Sulu Archipelago sits between the Sulu Sea to the northwest and the Celebes Sea to the southeast, southwest of mainland Mindanao and northeast of Sabah, Malaysia.

  • Security advisory: Certain areas of the archipelago are subject to security advisories; travellers should consult current government guidance before planning travel.
  • Access and transport: Primary transport hubs are the towns of Jolo and Bongao (Tawi-Tawi); inter-island travel is mostly by ferry and by small regional aircraft to island airports.

What to See #

  • Major island groups: The island chain includes the main island of Jolo, Tawi-Tawi and numerous smaller islands and islets that form an arc between Mindanao and Borneo.
  • Marine habitat: Coral reefs, seagrass beds and deep channel waters support diving and fisheries across the archipelago.
Sulu Islands
6.0000, 121.0000

Tips for Visiting Sulu Islands #

  • Check national and international travel advisories and coordinate with Philippine authorities or a trusted local operator before planning a trip-parts of the Sulu archipelago are subject to security restrictions and special requirements.
  • Plan sea travel during the dry season (roughly November-April) when boat crossings are more reliable and sea conditions are calmer.
  • Expect very limited tourist infrastructure on many islands; arrange transport, accommodation and a local guide in advance and travel with operators who have up-to-date local knowledge.

Best Time to Visit Sulu Islands #

For the Sulu Islands, plan visits in the dry season (November-April) for the most reliable weather and sea travel.

Best (dry season)
November-April · 24-32°C
Generally the most comfortable period for travel between islands, beach time and outdoor activities.
Wet/monsoon
May-October · 24-31°C
Wetter months bring heavy rainfall and potentially rough seas; inter-island travel can be affected.
Lower typhoon risk (southern Philippines)
Year-round note · 24-32°C
The Sulu Islands lie well to the south of where most Philippine typhoons track, so they typically see fewer direct typhoon hits, though heavy rain can still occur during the monsoon.

Weather & Climate near Sulu Islands #

Climate

Sulu Islands's climate is classified as Tropical Rainforest - Tropical Rainforest climate with consistently warm temperatures year-round. Temperatures range from 22°C to 31°C. Abundant rainfall (1908 mm/year), wettest in June.

Air Quality: AQI 55 Moderate
Best Time to Visit
FebruaryMarchApril
Temperature & Rainfall
Temperature Range
32°
Warmest Month
25°
Coldest Month
Monthly Conditions

January

January is warm with muggy conditions (dew point 24°C). Significant rainfall (126 mm) and mostly overcast skies.

69 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 30°
82%
Humidity
Very Humid

Weather

126 mm
Rainfall
2.0 m/s
Wind
Calm
2.1
UV Index
Extreme
11.7h daylight

February

February is warm with muggy conditions (dew point 24°C). Regular rainfall (93 mm) and partly cloudy skies.

77 Very Good

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 30°
81%
Humidity
Very Humid

Weather

93 mm
Rainfall
2.2 m/s
Wind
Calm
2.4
UV Index
Extreme
11.8h daylight

March

March is warm with muggy conditions (dew point 24°C). Regular rainfall (92 mm) and partly cloudy skies.

77 Very Good

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 31°
79%
Humidity
Very Humid

Weather

92 mm
Rainfall
2.0 m/s
Wind
Calm
2.7
UV Index
Extreme
12.0h daylight

April

April is warm with muggy conditions (dew point 24°C). Significant rainfall (140 mm) and partly cloudy skies.

77 Very Good

Comfort

27°
Feels Like Warm
27°C
Temperature
23° 31°
77%
Humidity
Very Humid

Weather

140 mm
Rainfall
1.6 m/s
Wind
Calm
2.7
UV Index
Extreme
12.1h daylight

May

May is the hottest month, feeling like 30°C due to high humidity. Heavy rain (218 mm) and partly cloudy skies.

61 Good

Comfort

30°
Feels Like Hot
27°C
Temperature
23° 31°
79%
Humidity
Very Humid

Weather

218 mm
Rainfall
1.7 m/s
Wind
Calm
2.4
UV Index
Extreme
12.3h daylight

June

June is hot, feeling like 30°C with oppressive humidity. The wettest month with heavy rain (229 mm) and mostly overcast skies.

65 Good

Comfort

30°
Feels Like Hot
27°C
Temperature
23° 31°
81%
Humidity
Very Humid

Weather

229 mm
Rainfall
1.4 m/s
Wind
Calm
2.2
UV Index
Extreme
12.3h daylight

July

July is hot, feeling like 30°C with oppressive humidity. Significant rainfall (159 mm) and mostly overcast skies.

59 Acceptable

Comfort

30°
Feels Like Hot
27°C
Temperature
23° 31°
82%
Humidity
Very Humid

Weather

159 mm
Rainfall
1.4 m/s
Wind
Calm
2.2
UV Index
Extreme
12.3h daylight

August

August is hot, feeling like 30°C with oppressive humidity. Significant rainfall (152 mm) and mostly overcast skies.

59 Acceptable

Comfort

30°
Feels Like Hot
27°C
Temperature
23° 31°
82%
Humidity
Very Humid

Weather

152 mm
Rainfall
1.5 m/s
Wind
Calm
2.4
UV Index
Extreme
12.2h daylight

September

September is warm with stifling humidity (dew point 24°C). Significant rainfall (177 mm) and mostly overcast skies.

67 Good

Comfort

27°
Feels Like Warm
27°C
Temperature
23° 31°
81%
Humidity
Very Humid

Weather

177 mm
Rainfall
1.6 m/s
Wind
Calm
2.4
UV Index
Extreme
12.0h daylight

October

October is warm with stifling humidity (dew point 24°C). Heavy rain (223 mm) and partly cloudy skies.

69 Good

Comfort

27°
Feels Like Warm
27°C
Temperature
23° 31°
81%
Humidity
Very Humid

Weather

223 mm
Rainfall
1.6 m/s
Wind
Calm
2.2
UV Index
Extreme
11.9h daylight

November

November is warm with stifling humidity (dew point 24°C). Significant rainfall (170 mm) and partly cloudy skies.

71 Very Good

Comfort

27°
Feels Like Warm
27°C
Temperature
23° 30°
81%
Humidity
Very Humid

Weather

170 mm
Rainfall
1.4 m/s
Wind
Calm
2.1
UV Index
Extreme
11.8h daylight

December

December is warm with stifling humidity (dew point 24°C). Significant rainfall (129 mm) and mostly overcast skies.

69 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
23° 30°
82%
Humidity
Very Humid

Weather

129 mm
Rainfall
1.6 m/s
Wind
Calm
2.0
UV Index
Extreme
11.7h daylight

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