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In terms of precipitation, rainfall in Surat Thani ranges from 0.0 - 11.8 inches per month. November is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Surat Thani when rainfall is around 0.0 in.
If weather is an important factor for your trip to Surat Thani, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).