Mount Batur Trekking Temperature
Complete temperature guide for Mount Batur. What to expect at summit and what to pack for sunrise trek.
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Average temperature at Mount Batur summit (50°F - 59°F)
Can feel colder with wind chill, especially before sunrise
Temperature by Elevation
Basecamp (Toya Bungkah)
Altitude: 1,117m
Temperature: 18°C - 22°C (64°F - 72°F)
Starting point, comfortable temperature, light jacket not needed yet
Mid Point (Pos 2)
Altitude: ~1,400m
Temperature: 14°C - 18°C (57°F - 64°F)
Cooler, wind starts to pick up, you may feel the drop
Summit (Crater Rim)
Altitude: 1,717m
Temperature: 10°C - 15°C (50°F - 59°F)
Coldest before sunrise, significant wind chill factor
Monthly Temperature Guide
Dry Season (April - October)
Summit temperature: 12°C - 15°C
Clear skies, colder mornings
Best visibility for sunrise
Wind can be stronger during July-August
Rainy Season (November - March)
Summit temperature: 10°C - 13°C
More clouds, possible rain
Bring rain poncho
Humidity makes it feel different
Important Temperature Tip
The trek itself will keep you warm while climbing (your body generates heat). You will feel coldest while waiting for sunrise at the summit (20-30 minutes of standing still). Bring a light jacket that is easy to carry during ascent and wear at the top. Layering is the best strategy.
What to Wear for Mount Batur Temperature
Recommended Clothing
- Light jacket or fleece (main layer)
- Long pants (not shorts, volcanic sand can be sharp)
- Closed hiking or running shoes
- Moisture-wicking base layer (optional but recommended)
- Small backpack for carrying layers
- Light gloves (optional for cold mornings)
What NOT to Bring
- Heavy winter coat (too bulky, unnecessary)
- Sandals or open shoes (dangerous on volcanic sand)
- Jeans (heavy when wet from sweat or rain)
- Cotton t-shirts (retains sweat, makes you colder)
- Too many layers (you will overheat during ascent)
Frequently Asked Questions About Temperature
Yes, a light jacket or fleece is essential. While the trek up will keep you warm, you will be stationary for 20-30 minutes waiting for sunrise at the summit. During this time, temperatures around 10-15°C combined with wind chill can feel much colder. Most trekkers regret not bringing a jacket.
July and August are the coldest months, with summit temperatures sometimes dropping to 8-10°C (46-50°F) before sunrise. The dry season wind makes it feel even colder. If trekking during these months, bring an extra layer or fleece. Rainy season months like January are warmer but more humid.
Yes, there are rental services at Toya Bungkah basecamp offering jackets for IDR 50,000-75,000. However, sizes and cleanliness vary. We recommend bringing your own light jacket for comfort and fit. We provide headlamps and trekking poles but not jackets.
Ready to Trek Despite the Cool Temperature?
Proper clothing and preparation make the sunrise experience unforgettable.
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