Main image

Ruska Hadian (Volcanological Survey of Indonesia) CC BY-SA 4.0 Wikimedia Commons

Mount Iya

Mountain

On an island in East Nusa Tenggara, Mount Iya offers village treks and rugged coastal views; visits typically involve local guides and multi‑day walks.

Mount Iya Gili IslandsSenggigiMount RinjaniMount TamboraLakey BeachKomodoLabuan BajoBajawaKelimutuMaumereSumbaKupangAlorMount Iya
In this guide

Mount Iya essentials

Address: Mount Iya, East Nusa Tenggara, Indonesia
Hours: Open 24 hours
Admission: Free
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When to Go

Best Time to Visit Mount Iya

For Mount Iya, plan trips during the dry season (May-September) when trails are drier and conditions are more reliable for hiking.

Dry season (best for hiking)
May-September · 15-28°C
Drier weather and clearer trails make this the preferred time for visiting and climbing in East Nusa Tenggara.
Wet season (rainy, limited access)
October-April · 20-30°C with high humidity
Frequent heavy rains can make trails slippery and limit access; expect higher humidity and intermittent downpours.

Weather & Climate near Mount Iya

Climate

Tropical climate with consistently warm temperatures year-round. Temperatures range from 22°C to 32°C. Abundant rainfall (1125 mm/year), wettest in January with a pronounced dry season.

Air Quality: AQI 49 Good
Best Time to Visit
AugustSeptemberJuly
Temperature & Rainfall
Temperature Range
32°
Warmest Month
22°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Good 24° - 30° 30° 196 mm overcast 81% 2.6 m/s 2.5 extreme 12.4h
February Good 24° - 30° 27° 156 mm overcast 81% 2.3 m/s 2.7 extreme 12.3h
March Very Good 24° - 31° 30° 159 mm partly cloudy 80% 2.1 m/s 2.7 extreme 12.0h
April Very Good 24° - 31° 31° 95 mm partly cloudy 79% 1.9 m/s 2.4 extreme 11.8h
May Excellent 24° - 31° 30° 57 mm some cloud 79% 2.6 m/s 2.1 extreme 11.6h
June Ideal 23° - 30° 26° 39 mm some cloud 78% 3.6 m/s 1.8 very high 11.5h
July Ideal 22° - 29° 26° 42 mm mostly sunny 77% 3.3 m/s 1.9 very high 11.6h
August Ideal 22° - 30° 26° 13 mm mostly sunny 74% 3.8 m/s 2.3 extreme 11.7h
September Ideal 23° - 31° 27° 28 mm mostly sunny 74% 3.5 m/s 2.6 extreme 11.9h
October Excellent 24° - 32° 31° 66 mm mostly sunny 73% 2.4 m/s 2.7 extreme 12.2h
November Very Good 25° - 32° 32° 115 mm partly cloudy 74% 2.4 m/s 2.7 extreme 12.4h
December Good 24° - 31° 31° 159 mm overcast 79% 2.6 m/s 2.5 extreme 12.5h