Thailand’s temperatures rise slightly despite chilly mornings
The Thai Meteorological Department (TMD) forecasts a slight warming trend despite cold morning temperatures. The Gulf of Thailand and the Andaman Sea will experience waves of about 1 metre, prompting caution for seafarers yesterday, February 11.
An update for the next 24 hours highlights that while temperatures in upper Thailand are set to rise by 1 to 3 degrees Celsius, mornings will remain cold to chilly with fog, and it will be hot in the afternoon. Mountain peaks will continue to see cold to very cold conditions due to weakening high-pressure or cold air masses.
Residents are advised to take precautions due to the changing weather and the risk of fires from dry conditions.
In Bangkok, morning temperatures remain cold, and PM 2.5 levels are expected to rise. The weakening northeast monsoon over the Gulf of Thailand, the south, and the Andaman Sea is causing less intense winds, resulting in waves around 1 metre high.
Mariners in the lower Gulf should proceed with caution. Dust and haze accumulation in upper Thailand is moderate but expected to increase as the prevailing winds weaken. The weather forecast for the country extends from 6pm today to 6pm tomorrow.
In the north, cool weather with morning fog is expected, and temperatures will rise 1 to 2 degrees Celsius. The lowest temperatures will range from 16 to 19 degrees Celsius, while the highest will be 31 to 35 degrees Celsius.
Weather forecast
Mountain peaks will remain cold to very cold, with possible frost and lows of 6 to 15 degrees Celsius. Southwesterly winds will blow at 5 to 15 kilometres per hour.
In the northeast, similar conditions will prevail with a temperature rise of 1 to 3 degrees Celsius. The lowest temperatures will be 15 to 18 degrees Celsius and the highest 30 to 33 degrees Celsius, with east winds at 10 to 15 kilometres per hour. Highland areas will be cold with lows of 10 to 15 degrees Celsius.
In central Thailand, cool weather with light fog in the morning will give way to hot afternoons, with temperature increases of 1 to 2 degrees Celsius. Lows are expected to be 17 to 21 degrees Celsius and highs 32 to 35 degrees Celsius, with east winds at 10 to 15 kilometres per hour.
The eastern region will experience similar conditions, with lows of 19 to 23 degrees Celsius and highs of 33 to 35 degrees Celsius. Seas will have waves below 1 metre, with waves reaching about 1 metre offshore. East winds will blow at 10 to 30 kilometres per hour.
In the southern region (eastern coast), cool weather with light fog in the morning is anticipated. The lowest temperatures will be 20 to 23 degrees Celsius and the highest 31 to 34 degrees Celsius, with east winds at 15 to 30 kilometres per hour. Seas will have waves around 1 metre.
On the southern region (western coast), mornings will be cool, with lows of 22 to 24 degrees Celsius and highs of 34 to 35 degrees Celsius. East winds will blow at 10 to 30 kilometres per hour, with seas below 1 metre and offshore waves around 1 metre.
Bangkok and its vicinity will experience cool weather with light fog in the morning, followed by hot afternoons. Temperatures will range from 20 to 22 degrees Celsius to 33 to 35 degrees Celsius, with east winds at 10 to 15 kilometres per hour.
The summer season is expected to arrive two weeks later than usual, beginning at the end of February and lasting until mid-May. The weather will be intermittently hot and humid, with thunderstorms in some areas.
The highest average temperatures in upper Thailand will be around 35 to 36 degrees Celsius, close to the normal average of 35.4 degrees Celsius but lower than last year’s 37.5 degrees Celsius. Some areas may experience temperatures as high as 40 to 43 degrees Celsius.
Rainfall is expected to be 10 to 20% above normal levels. Summer storms, including thunderstorms, strong winds, and occasional hail, are common during this period.
Forecasts for accumulated rainfall over the next 15 days, from February 11 to February 25, indicate that the weakening cold air mass will lead to rising temperatures and hot afternoons, though not extremely hot. Light rain is expected in the lower northeast and eastern regions, with dust accumulation increasing.
From February 16 to February 25, wind patterns will become variable, with upper-level westerly and northwesterly winds affecting the north and upper northeast, while southerly and southeasterly winds cover the lower northeast, central, and eastern regions, reported KhaoSod.
A reinforcing cold air mass may cover the eastern northeast and South China Sea, causing easterly winds and light to moderate rain or thunderstorms. This period marks a seasonal transition, requiring close monitoring due to weather variability.
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