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Bangkok park exhibition traces 71 years of Thai rainmaking

A 10-zone public exhibition at Suan Rot Fai in Chatuchak runs through 21 November, looking at how Thailand developed and uses its rainmaking programme.

A paved path curves alongside a green lawn and shade trees in an urban park.
AI-generated editorial image of a generic Bangkok public park.

What you need to know

Update topicEvents
Where it appliesBangkok
Last verified15 Nov 2026
Where to verify2 linked sources

What has changed

Bangkok's Suan Rot Fai is hosting an exhibition about Thailand's royal rainmaking programme through Saturday 21 November. The Department of Royal Rainmaking and Agricultural Aviation has brought its annual exhibition to Wachirabenchathat Park, the formal name for Suan Rot Fai, in Chatuchak. The eight-day run opened on 14 November.

What visitors can see

The exhibition is laid out in 10 zones. The Agriculture Ministry says it follows the programme from the original idea to today's operations. Topics include how agencies study the weather before a flight, what crews do in the air, how the programme addresses drought and what role community volunteers play. The display also covers advances in weather monitoring and the department's work on smoke and air pollution.

One thread of the exhibition is the gap between an idea and an operational programme. Thai Data traces the idea to a 1955 journey by King Bhumibol Adulyadej through the Northeast, where he observed drought conditions. The first airborne trials followed in 1969. The annual observance remembers the initiative, while the park displays show how investigators and flight crews have developed the work since.

Planning a park visit

Search for Suan Rot Fai or Wachirabenchathat Park when setting your route. That is the venue named by the ministry in the Chatuchak park district. The programme runs outdoors, so check the organiser's updates before setting out if you are making a special trip for a particular activity. Park opening hours and the times when individual exhibition activities operate may differ.

Where this update applies

Bangkok

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Sources and verification

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Last verified 15 November 2026 · 00:04.

Source information

Ministry of Agriculture and Cooperativeshttps://www.moac.go.th/db-news-preview-482891791331 Thai Datahttps://thaidata.co.th/history/royal-rainmaking-day-2569-71-years-suan-rot-fai/

Update history

15 November 2026 · 00:04Last verified

15 November 2026 · 00:04Article updated

15 November 2026 · 00:04First published

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