Samut Songkhram

Planning your day in Samut Songkhram? Check out the latest weather updates and forecasts right here.

The climate in Samut Songkhram, Thailand, is classified as tropical monsoon. This means warm weather prevails year-round, with average monthly temperatures ranging from 25.9°C in December to 30.7°C in April. Even nighttime minimums rarely drop below 21°C, making this region an attractive destination at any time of year for those who enjoy the warmth.

Samut Songkhram has two distinct seasons: the dry season and the rainy season. The dry season typically lasts from December to March, when rainfall is minimal (0-1 mm) and the number of rainy days is low (2 to 5 days per month). This is considered the most comfortable time to visit. The rainy season begins in May and continues until approximately October or November. During this period, precipitation increases (up to 7 mm in September and October), and the number of rainy days can reach 25 per month, particularly from July to September. April and November serve as transitional months with moderate rainfall.

Despite the rainy season, air temperatures remain high and fairly stable throughout the year. The hottest months are April and May, when maximum temperatures can reach 35°C. The "coolest" months are December and January, but even then, daytime temperatures usually stay around 30°C. Overall, the weather in Samut Songkhram is predictable: hot and humid, with a pronounced rainy period during the summer and autumn months.

Samut Songkhram has a tropical climate characterized by high temperatures throughout the year. The annual range of average temperatures fluctuates from 25.9°C in December to 30.7°C in April. The hottest months are April and May. In April, the average daytime temperature is 30.7°C, with maximums reaching 35.1°C and nighttime minimums at 26.3°C. May is nearly as hot, with an average temperature of 30.6°C. The coolest months are December (average 25.9°C, minimum 21.9°C) and January (average 26.4°C, minimum 21.9°C), offering milder conditions.

The so-called "summer" period, spanning from March to October, is marked by consistently high temperatures. It is particularly hot from March to May, when average maximum temperatures regularly exceed 34°C. From May to October, despite the heat remaining (average temperatures around 29-30°C), the number of humid days increases significantly, creating a hot and muggy atmosphere. The "winter" or, more accurately, the cooler and drier season, occurs from November to February. During this time, daytime temperatures remain high, averaging between 29.8°C and 32.2°C, but nights become noticeably cooler, especially in December and January, when temperatures can drop to 21.9°C, providing comfortable conditions after the daytime heat.

Daily temperature fluctuations in Samut Songkhram are quite pronounced throughout the year. The difference between daytime highs and nighttime lows is usually between 6°C and 9°C. The most significant variations are observed during the dry and cool months—December, January, and February—when the nighttime chill is more noticeable. For example, in January, the difference between the average maximum (30.8°C) and the average minimum (21.9°C) is almost 9°C. In the wetter months (May to October), these fluctuations smooth out somewhat but remain noticeable, providing some relief from the daytime heat at night.

The city of Samut Songkhram experiences highly pronounced seasonality in its rainfall. The climate is characterized by a dry season and a rainy season. The dry period usually lasts from December to March, when rainfall is minimal and there are very few rainy days.

The driest months are January and December, when the average rainfall is 0 mm and the number of rainy days does not exceed 2-3. From February to April, rainfall gradually increases but remains insignificant (1-3 mm), while the number of rainy days rises from 4 to 9.

The rainy season in Samut Songkhram falls between May and October. During this time, precipitation increases, peaking in September and October (7 mm each). The highest number of rainy days occurs from July to September, when it can rain up to 24-25 days per month. Despite the frequent rain during this period, the total amount of precipitation remains relatively moderate, which may indicate a prevalence of regular but not overly intense showers. November is a transitional month, with rainfall decreasing to 3 mm and the number of rainy days dropping to 10.

When planning a trip to Samut Songkhram, it is important to consider its tropical climate with high temperatures and humidity throughout the year. The average annual temperature fluctuates between 26°C and 30°C, so your wardrobe should primarily consist of lightweight, breathable clothing made from natural fabrics such as cotton or linen. Don't forget sunscreen with a high SPF, sunglasses, and a hat to protect yourself from the intense sun. Comfortable walking shoes, such as sandals or light sneakers, will make your strolls around the city and its surroundings as pleasant as possible.

Samut Songkhram has two distinct main seasons, which influences what extra items you should pack. The dry season lasts roughly from November to April, with minimal precipitation, especially from December to March (0-1 mm). During this time, summer clothes will be sufficient, although a light sweater or shawl might be useful for the evenings (minimum temperatures in December-January are around 22°C) or for air-conditioned interiors. From May to October, the rainy season sets in, significantly increasing the number of rainy days (up to 25 per month) and monthly rainfall reaching 4-7 mm. During this period, be sure to bring a light raincoat or a compact umbrella. Fast-drying clothing will also be very practical.

While Samut Songkhram does not typically experience sharp daily temperature drops, the principle of layering can be useful in the form of a light wrap to throw on in air-conditioned spaces or during an evening walk. It's also a good idea to bring insect repellent, especially if you plan to spend time outdoors or near water, particularly during the rainy season. And, of course, don't forget your swimwear if your hotel has a pool or if you're planning trips to the coast.