Monsoon Tracker: Kathmandu 2025

Nepal Monsoon 2025: An Early Start on Pause

An interactive analysis of the 2025 monsoon's early arrival and subsequent stalled progression towards Kathmandu.

Current Status at a Glance

The monsoon arrived ahead of schedule in Eastern Nepal, but its advance has temporarily halted.

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2025 Onset (East Nepal)

May 29

15 days earlier than the normal date of June 13.

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Current Progression

Stalled

Advance towards Kathmandu is paused due to atmospheric blocks.

Forecasted Revival

Mid-June

Progression expected to restart around June 12-18.

The Timeline: An Early Start, A Sudden Stop

This chart compares the 2025 monsoon onset in Nepal to the normal schedule and historical records. While 2025 saw one of the earliest arrivals, this visual context helps understand that the current issue is one of progression, not initial timing.

Why the Delay? Unpacking the Atmospheric Gridlock

The monsoon's current pause is not due to a single cause, but a combination of interacting atmospheric factors. Click on each factor below to understand its specific role in stalling the monsoon's advance towards Kathmandu.

🌬️ Dry Air Intrusion
💨 Westerly Winds
🌊 Weak Bay of Bengal Branch
🌪️ Ineffective Arabian Sea Branch
🌡️ Neutral ENSO & IOD
📉 Stalled Monsoon Trough

What's Next? Outlook & Regional Impacts

Despite the delay, the overall forecast predicts an above-normal monsoon season for most of Nepal. This brings both benefits and risks. Select a province to see its specific forecast and potential implications.

Chance of Above-Normal Rain

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