Monsoon Season Brings Heavy Rainfall to India and Thailand
Monsoon Season Brings Heavy Rainfall to India and Thailand
IN · Published Jun 9, 2026
The 2026 monsoon season has officially begun in parts of Asia, with India declaring its onset on June 4 in the southwestern Kerala region, three days later than the usual start date of June
The monsoon has since advanced into Karnataka and Andhra Pradesh. Kerala's western-facing coast recorded up to 280mm (11 inches) of rain between June 4 and June 7, equivalent to half of London’s annual rainfall. Forecasts predict an additional 200-250mm of rain this week, prompting red warnings for extremely heavy rainfall, flash flooding, and landslides. Meanwhile, Thailand's monsoon season, which began on May 15, has already brought up to 1,000mm of rain in the southwest, with another 300mm expected in the coming week. Despite the early intensity, the Indian Meteorological Department forecasts below-normal rainfall for the season, estimating totals at 90% of the long-period average due to the anticipated strengthening of El Niño conditions.

Why It's Important?

The heavy rainfall in Kerala and surrounding regions poses significant risks, including flash flooding, landslides, and disruptions to daily life. Red warnings have been issued for these areas, urging caution. In Thailand, strong monsoon winds over the Andaman Sea are generating waves of 2–3 meters, leading to advisories for small vessels to remain ashore. The below-normal seasonal rainfall forecast could impact agriculture, particularly for rain-fed crops like rice and cotton, which rely on consistent monsoon rains. Farmers may face challenges in planting and sustaining crops if dry periods occur.

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