Thunderstorm warning for northern Thailand: heat and storms are imminent!

Thunderstorm warning for northern Thailand: heat and storms are imminent!

In Chiang Mai and the surrounding regions today, October 11, 2025, the weather will be characterized by changeable weather conditions. The Northern Meteorological Center reports possible thunderstorms in up to 30% of northern Thailand, particularly in Mae Hong Son, Chiang Mai, Chiang Rai and Phayao. Despite this tendency for thunderstorms, meteorologists expect cool temperatures on the higher peaks. Temperatures in the Upper North range between 23 and 25 degrees Celsius at night and climb to 34 to 35 degrees Celsius during the day.

As the weather experts also report, the Lower North is not entirely spared from the weather. Thunderstorms are expected in about 40% of the regions, especially in Tak, Kamphaeng Phet, Phichit, Phitsanulok and Phetchabun. The temperatures here vary between 24 and 26 degrees Celsius at night and reach a maximum of 35 to 36 degrees Celsius during the day. There will be light winds with speeds of 5 to 10 km/h.

Impacts on the weather and climate in northern Thailand

The climate in northern Thailand is characterized by warm and sometimes hot weather, with an average annual temperature of 27 degrees Celsius. On average during the day you can expect maximum temperatures of around 33 degrees Celsius. What is particularly noticeable is that most precipitation falls between May and October. The best time to travel is between November and April, when there is significantly less rain and the temperatures are more pleasant.

An interesting fact: According to laenderdaten.info, February is the sunniest month of the year, with an average of nine hours of sunshine per day. In contrast, August has the most rainy days, and relative humidity peaks in September at 83%, which many find unpleasant. The average humidity during these months is consistently above the pleasant value of 40-60%.

Comfortable temperatures and humidex

Another interesting point are the Humidex values, which reflect well-being in the warm months. Values ​​from 20 to 29 are considered pleasant, while anything above that is considered slightly unpleasant and values ​​above 40 are described as very unpleasant. In September, humidity levels can reach dangerously high levels. Information on climatic conditions in northern Thailand can be found at worlddata.info, which confirms these trends.

In summary, the region is showing a mixed weather pattern today - between heat and possible thunderstorms. The next few days could be an exciting challenge for anyone who wants to hike in the mountains or take part in outdoor activities. So stay alert and enjoy the varied weather in northern Thailand!