Can I only buy it in season?
It is listed as a fruit harvested all year. Even so, the varieties and stock each seller carries differ. Look at whole fruit and prepared fruit separately.
Watermelon · แตงโม
In Thailand, enjoy watermelon as a drink as well. Besides chilled slices, there is taeng mo pan, blended with ice. It is worth choosing on a day you crave a cold drink while walking. If you only want the fruit, buy cut watermelon and share it with your companion.

Harvested all year
Listed as harvested all year
Use the main season, or the harvest period of a regional fruit, as a guide. Actual harvests can vary with the growing area, the variety and the weather.
It is a crunchy, juicy fruit. Fresh fruit and taeng mo pan, blended with ice, give you different textures.
The Tourism Authority of Thailand introduces the watermelon shake as a signature fruit drink. Even a familiar fruit can be met in a different way on a trip, like taeng mo pan.
Bangkok retail prices · 14 October 2026
These are prices by variety and grade surveyed by Thailand's Department of Internal Trade. They do not apply at every street stall.
| Fruit and variety | Price | Unit |
|---|---|---|
| Watermelon · Kinnaree (กินรี) | 25–30 baht | 1 kg |
Look separately at the price of a bag or tray of cut fruit and the per-kg price of whole fruit. Bananas are priced per bunch in this survey.
It is listed as a fruit harvested all year. Even so, the varieties and stock each seller carries differ. Look at whole fruit and prepared fruit separately.
Separate the per-kg price of a whole watermelon, a bag of sliced watermelon and a cup of taeng mo pan. Even when the same watermelon is used, the preparation and the amount of drink differ.
If you want to read more about the food and the regions behind it, these sources are a good next step. Ingredients and cooking methods can differ from one place to the next.
Sharing image credit: Fred Hsu (Wikipedia:User:Fred Hsu on en.wikipedia) · CC BY-SA 3.0