Ratchaburi Province in Thailand sees its peak temperatures in April (35°C (95°F)) and its coolest in December (29°C (84°F)). For a full breakdown of what to expect throughout the year, we've put together a climate overview based on data from Suan Phung, the region's most visited city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
Throughout the year, Ratchaburi Province, particularly Suan Phung, maintains high temperatures, with average maximums always over 29°C (84°F).
The peak of the heat usually falls in March, April and May.
When it comes to rainfall, Ratchaburi Province sees significant variations throughout the year. September tends to be the wettest, receiving 245 mm (9.6 in) of rain, while December is much drier with just 16 mm (0.6 in). Travelers should note that the rainy season falls during July, August, September and October, bringing substantial precipitation ranging from 209 mm (8.2 in) to 245 mm (9.6 in) monthly. For those seeking drier weather, December typically see minimal rainfall, never exceeding 16 mm (0.6 in).
December is the sunniest period, with ideal conditions for exploring the region and all it has to offer.