Summer coming late, but it'll be a scorcherListen to this articleTourists use umbrellas to protect themselves from the sun, at Wat Phra Kaew in Bangkok's Phra Nakhon district. Late March to mid‑April: The hottest spell nationwide, with widespread sultry conditions and extreme heat in some provinces, where maximum temperatures may reach 42–43°C. Summer storms may also develop intermittently in the North. They also warned of potential heat‑related illnesses, especially during peak heat in late March to mid‑April. Vulnerable groups such as the elderly, young children and people with chronic illnesses are advised to avoid prolonged exposure to extreme heat and stay alert to symptoms of heat stress.

Source: Bangkok Post February 01, 2026 10:06 UTC