🌧️ Global Monsoon Tracker: Where Heavy Rain Will Hit Next [August 2025]

From India to Indonesia, monsoon rains are essential to agriculture—but they can also bring flash floods, landslides, and travel disruption. Here’s what to expect in August 2025.

Monsoon season is in full swing across the tropics and subtropics. With climate shifts causing more intense rainfall and unpredictable patterns, it’s more important than ever to track where heavy rain is heading next.

In this post, we break down monsoon forecasts for key regions around the world in August 2025, based on data from leading meteorological agencies.

📍 Southeast Asia: Thailand, Vietnam, Indonesia, Philippines

• Forecast: Intermittent heavy downpours with isolated storm surges.
• Hotspots:
  • Southern Vietnam and Central Thailand (Aug 10–20): Flooding risk.
  • Jakarta: Afternoon thunderstorms and poor drainage may lead to local urban flooding.
• Philippines: Typhoon activity in the Pacific may enhance monsoon rain by late August.

🌐 PAGASA (Philippines Weather Agency)

📍 East Asia: China, Taiwan, South Korea, Japan

• Forecast: Monsoon retreat begins in Northern China, but South remains wet.
• Key Zones:
  • Southern China (Guangxi, Guangdong): Persistent showers.
  • Japan (Kyushu, Shikoku): Potential for landslides following saturated soil.

📍 West Africa: Nigeria, Ghana, Ivory Coast

• Forecast: Peak monsoon rainfall in the Sahel region.
• Concerns:
  • Niger River basin at risk of overflow.
  • Urban flooding expected in Lagos and Accra.

📍 North America: Mexico & US Southwest

• Forecast: Moisture from Pacific monsoon brings daily thunderstorms.
• Watch Areas:
  • Arizona & New Mexico (USA): Flash flood warnings likely during afternoon storms.
  • Western Mexico: Sinaloa and Sonora at risk of river flooding.

🌐 NOAA – National Weather Service

📍 Australia & Pacific Islands

• Note: Australia’s dry season continues, but Papua New Guinea and Solomon Islands may see heavy tropical showers during mid-to-late August due to ITCZ movement (Intertropical Convergence Zone).

🧠 What’s Driving August’s Monsoon Activity?

• El Niño conditions have weakened slightly but are still influencing global rainfall distribution.
• The Indian Ocean Dipole is neutral, which limits excessive rainfall in East Africa and Australia.
• Sea surface temperatures around the Philippines and Bay of Bengal remain warm, fueling stronger monsoon troughs.

🗺️ Monsoon Safety Tips

• Monitor local weather warnings daily.
• Avoid rivers and low-lying roads during rainfall peaks.
• Carry rain gear and power backups if traveling through affected regions.