SeasonalHigh Significance
Wet Monsoon Season (Indonesia)
Musim Hujan
Thursday, October 1, 2026 – Thursday, December 31, 2026
Details
- Country
- 🇮🇩 Indonesia
- Type
- Seasonal
- Gazetted
- No
Business Impact
- Impact Level
- Medium Impact
- Impact Description
- Outdoor construction slows, logistics delays common
- Planning Lead Time
- Start 2 months before
Notes
Heavy rainfall across Indonesia. Flash floods common in Java and Sumatra. Outdoor events affected. Construction slowdowns.