Samut Songkhram Weather & Climate: Best Time to Visit

The climate in Samut Songkhram remains fairly constant, offering very warm temperatures throughout the year. Typically, average maximum daytime temperatures range from a very hot 36°C (97°F) in April to a very warm 32°C (90°F) in the coolest month, January.

Nights vary from 28°C (82°F) in April to around 23°C (73°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Samut Songkhram is known for its substantial rainfall, with annual precipitation reaching 1148 mm (45 in). The climate in Samut Songkhram shows significant variation throughout the year. Expect heavy rainfall in October, the wettest month, with an average of 221 mm (8.7 in) of precipitation over 16 rainy days.

In contrast, the driest month December offers drier and sunnier days, with around 13 mm (0.5 in) of rainfall over a single rainy day. For more details, please visit our Samut Songkhram Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Samut Songkhram serves as an ideal destination. Expect longer, more sun-filled days in January with an average of 9.1 hours of sunshine daily, and embrace the darker days in September, offering only 5.2 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Samut Songkhram.

The city experiences its highest humidity in September, reaching 79%. In January, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year