Whether you're visiting Samut Songkhram in Thailand during the peak of April (36°C (97°F)) or the cooler months around December (31°C (88°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Amphawa, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The climate in Samut Songkhram, particularly in Amphawa, is characterized by consistently high temperatures, with average maximums never falling below 31°C (88°F).
The peak heat season generally takes place in April, May and June.
When it comes to rainfall, Samut Songkhram sees significant variations throughout the year. September tends to be the wettest, receiving 217 mm (8.5 in) of rain, while December is much drier with just 12 mm (0.5 in). Travelers should note that the rainy season falls during September and October, bringing substantial precipitation ranging from 215 mm (8.5 in) to 217 mm (8.5 in) monthly. Rainfall in January, February and December is at its lowest, remaining under 14 mm (0.6 in).
For those seeking sunshine, January usually has the brightest skies, making it an excellent time for exploring the region.