By The Nation
The lowest temperature on Doi Inthanon mountaintop and Kew Mae Pan nature trail was 2 degrees Celsius. The national park has seen frost for five successive days.
The Thailand Meteorological Department on Sunday forecast the weather in the northern region to be cool with fog in the morning and 1-3°C rise in temperature. The weather on the mountaintop is expected to be cold to very cold with a minimum temperature of 4-12°C.