January weather forecast
Thailand

January is nestled in the heart of Thailand's winter season, marking one of the most pleasant months in terms of weather. The entire country enjoys a reprieve from the intense heat and heavy rainfall experienced in the preceding months. Northern regions, especially those bordering Myanmar and Laos, experience relatively cooler temperatures. Here, the climate is temperate, and it's not uncommon for morning temperatures to descend to their lowest annual figures, although they rarely approach freezing.

Bangkok and its surrounding areas, while still warm, maintain more moderate temperatures, averaging between 31°C (87.8°F) to 32°C (89.6°F) during the day. In contrast to December's slightly cooler atmosphere, January sees a mild rise in temperatures, setting the stage for the progressively warmer months ahead.

January remains mostly dry, with sporadic showers but nothing compared to the deluge of the rainy season. It's also a month where the skies are often clear, offering brilliant sunshine and fewer clouds compared to November or February. The eastern coast near the Gulf of Thailand, including locations like Pattaya, remains a favored destination during January due to its consistent and pleasant weather patterns.

It's worth noting that while January doesn't hold the record for the absolute coldest temperatures, places like Sakon Nakhon have registered their chilliest temperatures in this month, notably -1.4°C (29.5°F) in 1974. However, such extreme cold is an exception rather than the norm for the country. As the month progresses, one can anticipate a gradual rise in temperatures, hinting at the approaching summer season in the subsequent months.

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• Bangkok - January »
  The month with the coldest seawater in Bangkok is January, with an average sea temperature of 26.7°C (80.1°F). With an average sea temperature of 26.7°C (80.1°F), January is the month with the coldest seawater in Bangkok.
• Chiang Mai - January »
  In Chiang Mai during January, the rain falls for 1 days and regularly aggregates up to 4mm (0.16") of precipitation. The average heat index, which takes the relative humidity and factors it into the air temperature reading, in January is evaluated at 34°C (93.2°F).
• Pattaya - January »
  The month with the coldest seawater in Pattaya is January, with an average sea temperature of 27.2°C (81°F). In January, the average heat index, which factors the actual air temperature with the relative humidity, is appraised at 37°C (98.6°F).
• Phuket - January »
  January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Phuket. In January, the average heat index, which takes the relative humidity and factors it into the air temperature reading, is estimated at 43°C (109.4°F).
• Nakhon Ratchasima - January »
  In January, in Nakhon Ratchasima the rain falls for 1 days. In January, in Nakhon Ratchasima the rain falls for 1 days.
• Udon Thani - January »
  The month with the least rainfall in Udon Thani is January, when the rain falls for 1 days and typically collects 6mm (0.24") of precipitation. January's arrival in Udon Thani brings an average high-temperature of a hot 30°C (86°F), demonstrating subtle variation from the preceding month.
• Hua Hin - January »
  In January, the average heat index, which represents the influence of relative humidity on air temperature, is computed to be 35°C (95°F). January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Hua Hin.
• Krabi - January »
  January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Krabi. The months with the most sunshine in Krabi, Thailand, are January through March, with an average of 9h of sunshine.
• Hat Yai - January »
  In January, the average heat index, which factors the actual air temperature with the relative humidity, is evaluated at 41°C (105.8°F). January heralds a respite from the tropical heat in Hat Yai with temperatures sinking to the lively lows of 22°C (71.6°F).
• Surat Thani - January »
  January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Surat Thani, Thailand. January, February and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Surat Thani.
• Chiang Rai - January »
  In Chiang Rai, during January, the rain falls for 2 days and regularly aggregates up to 8mm (0.31") of precipitation. On the last day of January, in Chiang Rai, sunrise is at 06:56 and sunset at 18:11 +07.
• Khon Kaen - January »
  The month with the most sunshine in Khon Kaen is January, with an average of 9h of sunshine. The month with the most sunshine in Khon Kaen is January, with an average of 9h of sunshine.