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Thailand Weather Update: Cold Snap and Heavy Rains Expected from November 17-23, 2025

Step into the heart of nature at the Phu Khieo Wildlife Sanctuary in Chaiyaphum province where serenity resides, and mere footsteps promise adventure. Yet as dawn broke on Sunday morning, the tranquil scene was juxtaposed with serious weather news, as heralded by none other than the Meteorological Department. A sharp drop in temperatures is poised to blanket the country’s upper echelons from November 17 through November 23. While the entire region braces for the chill, it is the Northeast that must prepare for the most notable plunge, seeing mercury levels plummet by 4 to 7 degrees Celsius. Meanwhile, those residing in the bustling Central region, including the ever-vibrant Greater Bangkok, as well as the North and East, will experience a cooler dip by 2 to 4 degrees Celsius.

Thailand’s peak, Doi Inthanon, already set the stage with a bone-chilling 6 degrees Celsius on Sunday — the coldest thrill of the season thus far. Sukanyanee Yawiyacharn, the onto-it director-general of the Meteorological Department, broadcasted Announcement No. 3 indicating that a stern cold air mass bids its approach from China, set to blanket upper Thailand and the South China Sea, rendering weather whims aplenty in the ensuing days.

As this chilly affair unfolds, the weather is expected to have a wild opening act. Isolated thunderstorms are itching to debut, hitting the Northeast first with drama. Provinces like Ubon Ratchathani, Si Sa Ket, Surin, Buri Ram, and Nakhon Ratchasima may have to welcome these tempest guests before the real chill and gusty curtain call ensues. Soon after, the rest of the regions will follow suit, slipping into their own cool narrative.

Citizens, particularly the elderly, budding youth, and those with health sensitivities, are advised to bundle up as they brave the elements. Amidst this chilly tableau, the department also draws attention to an increased risk of fires — a mischievous mix of dry air and boisterous winds. Farmers are encouraged to gird themselves against potential impacts on crops, lest they be caught unawares.

While the north shivers, the Southern zone gears up for a hydrating dance with nature. Expect an uptick in rainfall, heavy to very heavy in spots, as a robust northeast monsoon and an impromptu easterly wind surge entrench over the Gulf of Thailand and the South. The marine scene is not to be outdone, with the Gulf’s waters predicted to rise and pace themselves at 2 to 3 meters, escalating to over 3 meters as thunderstorms crash the beachside soiree in the upper Andaman Sea.

Inhabitants along the east coast are advised to keep a watchful eye for the mischievous antics of flash floods, runoff, and waves that may flirt with the shore, particularly in the precarious foothill locales, waterways, and low-living zones. Mariners planning an aquatic jaunt in either the Gulf or the Andaman are counseled to exercise extreme caution, steering clear of storm-strewn territories. As for small boats dreamt of solitary voyages in the Gulf, it is advised to harbor aspirations and remain ashore between November 19-23.

26 Comments

  1. Joe November 17, 2025

    What is happening with the weather these days? One moment it’s blisteringly hot, the next it’s freezing cold! Makes me think climate change is getting serious.

    • grower134 November 17, 2025

      It’s definitely climate chaos, but weather extremes aren’t new. We’ve had cold snaps in the past, nothing out of the ordinary here.

      • Joe November 17, 2025

        But don’t you think we’ve never seen such rapid temperature changes before? My grandpa keeps telling me it’s not normal.

      • Larry D November 17, 2025

        I agree. I think this weird weather pattern highlights how much we’ve ignored experts about global warming.

  2. PattyB November 17, 2025

    This weather report is scaring me a bit. I’m glad they’re warning farmers and boaters, but what about the rest of us living in the Northeast?

    • Jaime November 17, 2025

      I think they’re assuming everyone will just know to prepare. Common sense should dictate that you bundle up and stay safe.

      • PattyB November 17, 2025

        Yeah, but not everyone has that ‘common sense’. We need more outreach for those less informed.

  3. Amir November 17, 2025

    As someone living on the coast, these warnings about flash floods are quite concerning. More needs to be done to prepare the community.

  4. Larry Davis November 17, 2025

    I think it’s irresponsible to scare people with these types of forecasts. The media loves to sensationalize everything.

  5. r0ckclimber November 17, 2025

    Every year around this time we deal with similar weather. If you’re not prepared by now, then what are you doing?

    • Millie November 17, 2025

      Some people may not have been living in Thailand for long. It’s new to them!

  6. Seeker42 November 17, 2025

    This is also a good reminder for us all to remember that wild weather can cause fires too. Not just a cold or wet problem!

  7. Tommy November 17, 2025

    I live inland, so the rain doesn’t bother me as much. But I feel for those by the coast.

  8. Lana J. November 17, 2025

    Does anybody have advice on how to protect crops during such weather? My garden has not fared well before.

    • grower134 November 17, 2025

      Cover your crops with frost cloth and ensure good irrigation. Keep an eye on the forecasts!

  9. BeachBumDave November 17, 2025

    I’m supposed to go deep sea fishing next week. This report is messing up my plans, what a bummer.

    • Seeker42 November 17, 2025

      Safety first, my friend. Those fish aren’t going anywhere!

    • Joe November 17, 2025

      Yeah, better safe than sorry, hurricanes come out of nowhere sometimes.

  10. Ella November 17, 2025

    It’s all well and good to know the weather, but does anyone know if schools will remain open?

  11. wheatfarmer77 November 17, 2025

    This could be just the opportunity my farm needs for a fresh drink – as long as it doesn’t all wash away.

  12. Nina November 17, 2025

    Why does it always seem like we get storms when it’s most inconvenient for those needing to travel?

  13. Larry D November 17, 2025

    I’m curious how cold it’ll really get in the south, sounds pretty wild compared to typical weather down there.

    • Amir November 17, 2025

      It’s unusual, but we’ve had weird seasons before; nothing too alarming yet.

  14. Sarah November 17, 2025

    Thinking of setting up a campfire during this cold snap. Should be fun as long as we’re careful about the wind.

  15. Erika November 17, 2025

    Is this rain going to impact farmer’s market supplies? I’ve got events planned and need to know.

  16. Leo November 17, 2025

    I think everyone just needs to calm down, dress warmly, and avoid risky areas – we got this!

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