Last Updated on October 10, 2026 by Jeff Tomas
CHIANG MAI – Winter is making an early and beautiful appearance on Doi Inthanon in the northern region of Thailand this year. On the crisp morning of October 9, the highest summit of Doi Inthanon recorded a brisk 10 degrees Celsius.
Early risers were generously treated to a stunning view of morning dew completely whitening the mountain grass. This sudden and refreshing temperature drop officially signals the highly anticipated arrival of the cool season.
Tourists wrapped tightly in heavy winter jackets flocked to the mountain peak well before dawn. They gathered eagerly along the ridges to watch the first light break through a thick sea of mist.
The crisp morning air offered a very welcoming escape from the usual tropical heat found below. Local park authorities happily noted that the pristine, pollution-free air quality made the colorful sunrise even more spectacular.
Key Takeaways
- Doi Inthanon’s summit temperature dropped to a chilly 10°C on October 9.
- Glistening morning dew and a thick sea of mist greeted eager tourists at sunrise.
- This sudden cold snap officially marks the busy start of the northern tourism season.
A Stunning Start to the Tourist Season
This sudden chill brings very exciting news for the local tourism industry operating in Chiang Mai. Visitors frequently travel from across the entire country just to experience this rare freezing weather.However, the somewhat challenging drive was entirely worth the breathtaking mountain views waiting at the top.
Down in the bustling city of Chiang Mai, temperatures still remain much warmer during the daytime. Yet, the mountain’s high altitude creates a completely different and magical world for nature lovers. The cool climate supports unique dewy evergreen forests and a wide variety of rare wild bird species. Soon, the famous wild Himalayan cherry blossoms will also begin to paint the lush landscape bright pink.
What to Know Before You Visit Doi Inthanon
If you plan to visit the summit soon, packing adequate warm clothing is absolutely essential for comfort. Popular viewing spots like the Kew Mae Pan viewpoint offer incredible morning sights, but the mountain wind is sharp.
The weather changes quite quickly, and early morning temperatures can feel incredibly cold to unprepared travelers.
National park officials strongly advise all drivers to use extreme caution when navigating the winding roads. The misty conditions can easily reduce driving visibility to just a few meters, requiring very slow speeds.
The arrival of the cool season breathes fresh, vibrant energy into the northern provinces. Thailand’s highest peak is officially ready to welcome winter explorers once again.
