Weather in Surat Thani

Find out everything about the current weather in the city of Surat Thani to ensure your trip goes perfectly. Below are the latest data, detailed charts, and forecasts for the near future.

Surat Thani is located in a hot tropical climate zone, typical of southern Thailand, so it is warm here all year round. Temperature fluctuations between seasons are minimal, creating an atmosphere of eternal summer. Proximity to the equator ensures a stable temperature regime: average figures even in the "coolest" months (December and January) do not drop below 26°C.

Throughout the year, distinct dry and wet periods can be identified. From January to March, the weather is clearest with minimal rainfall, making this time popular among tourists. April is traditionally the hottest month, with the average temperature reaching 29.5°C and daily highs exceeding 33°C. This is the transition period from the dry season to the wetter one.

A feature of Surat Thani's climate is the prolonged rainy season, which begins in May and peaks in autumn. October and November are the wettest months, when precipitation can occur almost daily (up to 29 days a month). However, even during the monsoon season, the rains are often short and refreshing, and the air remains warm and comfortable for walking, provided you are prepared for high humidity.

The climate in Surat Thani is characterized by consistently high temperatures throughout the year, which is typical for southern Thailand. The hottest month is April, when the average temperature reaches 29.5°C, and daytime figures often exceed the 33°C mark. Conversely, the "coolest" period is December, when average values drop to a comfortable 26.1°C, making the end of the year a particularly pleasant time to visit the region.

In the summer months (June to August), the weather remains hot, with an average temperature of around 28°C. At this time of year, the heat feels quite intense but is often tempered by cloud cover and rainfall. The winter season, which is quite nominal here, is distinguished by its mildness: during the day the air warms up to 28–30°C, and the nights bring a pleasant freshness requiring no warm clothing.

Daily temperature fluctuations in Surat Thani are moderate but noticeable, allowing for a break from the daytime heat. The difference between the daily maximum and nightly minimum is usually about 5–8 degrees. For example, in February, the air can warm up to 31.2°C during the day and cool down to 23.5°C by night. Such a variation ensures comfortable sleep and allows you to enjoy evening walks at a more gentle temperature.

The weather in Surat Thani is dictated by a tropical monsoon climate, which means a clear division of the year into drier and wetter periods. Precipitation here falls exclusively in the form of rain. If you are looking for a time with the lowest probability of rainfall, it is worth considering the beginning of the year: February and March are statistically the driest months. During this period, the number of rainy days is minimal (about 8–9 per month), making it ideal for beach holidays and excursions.

With the arrival of spring, humidity begins to rise. Already in April, the number of rainy days increases to 16, and from May to September, a stable wet season sets in. During these months, it rains quite often — from 21 to 25 days monthly. However, it is worth remembering that tropical downpours are often intense but short-lived, bringing pleasant freshness on hot days.

The peak of the rainy season in this region falls in autumn. The wettest months are October and November, when the highest amount of precipitation and a record number of rainy days (up to 29 days in October) are recorded. In December, the rains begin to gradually recede, giving way to drier and more comfortable weather, characteristic of the high tourist season.

Surat Thani welcomes travellers with a warm tropical climate all year round, so the basis of your wardrobe should be light and breathable clothing. Prefer natural fabrics such as cotton and linen, which will help you tolerate the heat and high humidity more easily, as the average daytime temperature often hovers around 28–30°C. Do not forget to take comfortable shoes for long walks and excursions, as well as light sandals for beach relaxation. Essential accessories include sunglasses and a hat, as the sun here is very active even in cloudy weather.

When packing, it is important to consider the seasonality of rainfall. If your trip is planned for the period from May to December, and especially for the rainiest months — October and November, be sure to put a light raincoat or a compact umbrella in your suitcase. At this time, rains can be frequent, but the air remains warm, so you will not need heavy jackets. However, a light long-sleeved cardigan will be useful for protection against the chill in air-conditioned buses or shopping centres, as well as for comfortable evenings when the temperature may drop to 23–24°C.

In addition to clothing, take care of practical small items. In tropical conditions, strong sunscreen and reliable insect repellent will be indispensable. It is also recommended to take a waterproof case for documents and electronics, which is especially relevant during sea trips or sudden downpours. If you plan to visit temples, remember local etiquette: bring clothes that cover your shoulders and knees, or a large scarf that can be quickly draped over yourself before entering a shrine.