Solor and Alor Archipelagos

Islands Remote eastern Indonesian archipelagos with diverse cultures

The Solor and Alor archipelagos in East Nusa Tenggara are remote chains where reefs and steep islands draw experienced divers and sailors; expect village homestays and strong currents.

The Solor and Alor archipelagos are groups of islands in East Nusa Tenggara in eastern Indonesia, forming part of the eastern Lesser Sunda Islands. The area includes Solor and nearby islands off Flores and the Alor group to the northeast, which contains Alor and Pantar as the largest islands.

The region is known for a combination of cultural diversity and marine resources - visitors are drawn to traditional maritime communities, local ikat weaving traditions and world-class snorkeling and diving on fringing and patch reefs. Sea crossings connect the islands; many islands have limited infrastructure and are served by inter-island boats or small regional air links.

Historically these islands were on regional trading routes and were influenced by early European and Asian contacts; local communities have long-standing seafaring and artisanal textile traditions. The landscape ranges from volcanic highlands to low coral atolls depending on the island.

Geographically the archipelagos lie east of Flores and north of Timor, separated by regional straits such as the Ombai and Alor Straits, and are part of the chain of islands between Flores and the western edge of the Banda Sea.

  • Region: The combined archipelagos lie in East Nusa Tenggara and are part of the eastern Lesser Sunda Islands, with a mix of volcanic and coral islands.

What to See #

  • Solor group: Solor and nearby islands form a small island cluster off the eastern end of Flores with historical ties to early European contact and regional trading routes.
  • Alor and Pantar: Pantar and Alor are the largest islands in the Alor archipelago, noted for strong local cultures, traditional ikat weaving and reef-rich waters used by divers and fishers.
Solor and Alor Archipelagos
Solor and Alor archipelagos, East Nusa Tenggara, Indonesia
-8.4167, 123.5000

Tips for Visiting Solor and Alor Archipelagos #

  • Best time: visit early mornings during the dry season (roughly April-November) when seas are calmer and visibility for diving/snorkeling is at its best.
  • Use established transport gateways rather than trying to island-hop ad hoc-Alor has regular flights to Kalabahi and there are scheduled and charter ferries from Flores; arrange boat transfers in advance because inter-island services are limited.
  • What most visitors miss: spend time in small local villages to see traditional skills and markets-book a local guide to access cultural sites and remote dive/snorkel spots that larger tour operators bypass.

Best Time to Visit Solor and Alor Archipelagos #

Visit during the dry season (roughly May-October) for the sunniest weather and calmer seas ideal for boat travel and diving.

Dry season (best time)
May-October · 24-31°C
Generally drier, sunnier weather and calmer seas - the best months for boat travel, snorkeling/diving and island-hopping.
Wet season
November-April · 24-30°C
More frequent heavy showers and rougher seas that can disrupt boat services; expect higher humidity and more cloud cover.

Weather & Climate near Solor and Alor Archipelagos #

Climate

Solor and Alor Archipelagos's climate is classified as Tropical Savanna - Tropical Savanna climate with consistently warm temperatures year-round. Temperatures range from 20°C to 32°C. Abundant rainfall (1297 mm/year), wettest in January with a pronounced dry season.

Air Quality: AQI 42 Good
Best Time to Visit
AugustSeptemberJuly
Temperature & Rainfall
Temperature Range
33°
Warmest Month
23°
Coldest Month
Monthly Conditions

January

January is warm with stifling humidity (dew point 24°C). The wettest month with heavy rain (275 mm) and mostly overcast skies.

65 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
23° 29°
81%
Humidity
Very Humid

Weather

275 mm
Rainfall
2.6 m/s
Wind
Calm
2.6
UV Index
Extreme
12.4h daylight

February

February is warm with stifling humidity (dew point 24°C). Heavy rain (242 mm) and mostly overcast skies.

65 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 29°
82%
Humidity
Very Humid

Weather

242 mm
Rainfall
2.7 m/s
Wind
Calm
2.7
UV Index
Extreme
12.3h daylight

March

March is warm with stifling humidity (dew point 24°C). Heavy rain (208 mm) and partly cloudy skies.

73 Very Good

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 30°
80%
Humidity
Very Humid

Weather

208 mm
Rainfall
1.6 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 (108 mm).

81 Excellent

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 30°
76%
Humidity
Very Humid

Weather

108 mm
Rainfall
1.6 m/s
Wind
Calm
2.5
UV Index
Extreme
11.8h daylight

May

May is warm with muggy conditions (dew point 23°C). Moderate rainfall (51 mm) and mostly sunny skies.

89 Excellent

Comfort

26°
Feels Like Warm
26°C
Temperature
22° 30°
74%
Humidity
Very Humid

Weather

51 mm
Rainfall
2.1 m/s
Wind
Calm
2.1
UV Index
Extreme
11.6h daylight

June

June is warm with highs of 30°C and lows of 21°C. Light rainfall and mostly sunny skies.

93 Ideal

Comfort

25°
Feels Like Warm
25°C
Temperature
21° 30°
72%
Humidity
Very Humid

Weather

29 mm
Rainfall
2.4 m/s
Wind
Calm
1.9
UV Index
Very High
11.5h daylight

July

July is warm with highs of 30°C and lows of 20°C. Light rainfall and mostly sunny skies.

96 Ideal

Comfort

25°
Feels Like Warm
25°C
Temperature
20° 30°
70%
Humidity
Humid

Weather

17 mm
Rainfall
4.0 m/s
Wind
Light Breeze
2.0
UV Index
Very High
11.6h daylight

August

August is warm with highs of 30°C and lows of 20°C. The driest month with just 6 mm and clear sunny skies.

99 Ideal

Comfort

25°
Feels Like Warm
25°C
Temperature
20° 30°
67%
Humidity
Humid

Weather

6 mm
Rainfall
2.5 m/s
Wind
Calm
2.4
UV Index
Extreme
11.7h daylight

September

September is warm with highs of 31°C and lows of 20°C. The driest month with just 6 mm and clear sunny skies.

97 Ideal

Comfort

26°
Feels Like Warm
26°C
Temperature
21° 31°
68%
Humidity
Humid

Weather

6 mm
Rainfall
2.9 m/s
Wind
Calm
2.7
UV Index
Extreme
11.9h daylight

October

October is warm with muggy conditions (dew point 22°C). Moderate rainfall (33 mm) and mostly sunny skies.

93 Ideal

Comfort

27°
Feels Like Warm
27°C
Temperature
22° 32°
69%
Humidity
Humid

Weather

33 mm
Rainfall
2.1 m/s
Wind
Calm
2.8
UV Index
Extreme
12.2h daylight

November

November is the hottest month, feeling like 29°C due to high humidity. Significant rainfall (114 mm).

81 Excellent

Comfort

29°
Feels Like Hot
27°C
Temperature
23° 32°
71%
Humidity
Very Humid

Weather

114 mm
Rainfall
2.2 m/s
Wind
Calm
2.8
UV Index
Extreme
12.4h daylight

December

December is warm with stifling humidity (dew point 24°C). Heavy rain (208 mm) and mostly overcast skies.

65 Good

Comfort

26°
Feels Like Warm
26°C
Temperature
23° 30°
77%
Humidity
Very Humid

Weather

208 mm
Rainfall
1.9 m/s
Wind
Calm
2.5
UV Index
Extreme
12.5h daylight

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