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 »
  January is the month with the coldest seawater with an average sea temperature of 26.7°C (80.1°F). In Bangkok in January, the average water temperature is 26.7°C (80.1°F).
• Chiang Mai - January »
  The month with the least rainfall in Chiang Mai is January, when the rain falls for 1 days and typically collects 4mm (0.16") of precipitation. The average heat index, which factors the actual air temperature with the relative humidity, in January is estimated at 34°C (93.2°F).
• Pattaya - January »
  January is the month with the coldest seawater in Pattaya, with an average sea temperature of 27.2°C (81°F). In Pattaya during January, the rain falls for 1 days and regularly aggregates up to 16mm (0.63") of precipitation.
• 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, Thailand. In January, the average heat index, which combines relative humidity and air temperature, is calculated to be 43°C (109.4°F).
• Nakhon Ratchasima - January »
  On the first day of January in Nakhon Ratchasima sunrise is at 06:37 and sunset at 17:52. In Nakhon Ratchasima, Thailand, the average relative humidity in January is 64%.
• Udon Thani - January »
  Thus, the weather in Udon Thani in January is characterized by moderately warm temperatures, low rainfall, and clear skies, offering an optimal climate for tourists and inhabitants alike. January, February and December, with an average of 9h of sunshine, are months with the most sunshine in Udon Thani, Thailand.
• Hua Hin - January »
  The average heat index, which represents the influence of relative humidity on air temperature, in January is calculated 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, Thailand.
• 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, Thailand. In Krabi during January, the rain falls for 5 days and regularly aggregates up to 53mm (2.09") of precipitation.
• Hat Yai - January »
  In January, the average heat index, which calculates the temperature value influenced by the moisture in the air, is computed to be 41°C (105.8°F). January heralds a respite from the tropical heat in Hat Yai, Thailand, with temperatures sinking to the lively lows of 22°C (71.6°F).
• Surat Thani - January »
  On the first day of January in Surat Thani, Thailand, sunrise is at 06:37 and sunset at 18:14. An average minimum temperature of 21.1°C (70°F) marks the month of January in Surat Thani.
• Chiang Rai - January »
  In Chiang Rai in January, during 2 rainfall days, 8mm (0.31") of precipitation is typically accumulated. The new year in Chiang Rai offers an enjoyable ambience in January, where residents and tourists get to experience mellow weather.
• 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.