Weather in Khon Kaen

Get the most up-to-date information about the weather in the city of Khon Kaen. Here you will find fresh data, detailed forecasts, and clear weather charts to help you plan your day.

The climate in Khon Kaen, located in Thailand, is characterized as tropical savanna. This means the city experiences hot weather year-round, with notable fluctuations in rainfall between seasons. Average annual temperatures remain high, making it a warm destination to visit at any time of the year; however, humidity and rainfall amounts can vary significantly.

Three main seasons are clearly distinguished in Khon Kaen. The dry and relatively cool season lasts roughly from November to February, when average temperatures range from 23°C to 26°C, and rainfall is minimal, sometimes reaching 0 mm. This is followed by the hot and dry season, usually from March to April, when temperatures can rise above 35°C, and the number of rainy days begins to gradually increase. This is followed by the rainy season, which continues from May to October. During this period, the highest amount of precipitation falls, especially from July to September, and the number of rainy days can reach 25 per month.

Despite seasonal changes in precipitation, the air temperature in Khon Kaen remains consistently high. Even during the "cool" season, daily highs rarely drop below 28-29°C. The rainy season brings relief from the intense heat but is accompanied by high humidity. Tourists should take these seasonal features into account when planning a trip, especially if they prefer to avoid peak rainfall or extreme heat.

The climate in Khon Kaen is tropical, with clearly defined temperature seasons throughout the year. The hottest month is April, when the average daily temperature reaches 30.7°C, and maximums can rise to an impressive 35.9°C. The coolest months are considered to be December and January: the average temperature in December is 23.4°C (with nighttime lows around 17.9°C), and in January it is 24.0°C (with lows of 18.0°C). Thus, the annual progression of average temperatures in the city ranges from approximately 23°C to nearly 31°C.

The period from March to June can be characterized as the hot season. In March and April, the daytime heat intensifies, reaching its peak in April with maximum temperatures around 35-36°C. Nights during this time also remain very warm, with temperatures usually above 23-25°C. Starting from May, when the number of rainy days increases significantly, the heat may feel more intense due to high humidity, even if the absolute temperature maximums decrease slightly compared to April. Average temperatures in May and June hold at levels of 30.1°C and 29.7°C respectively.

The cool and dry season, which falls between November and February, offers the most comfortable weather conditions for visiting Khon Kaen. Daytime temperatures during this time are pleasant, averaging from 28.9°C in December to 32.1°C in February. Nights become noticeably cooler, especially in December and January, when the thermometer can drop to 18°C. During these months, there is a significant difference between day and night temperatures, which can be 10-12°C, typical for a dry period with clear skies.

The city of Khon Kaen experiences a distinct change of seasons regarding precipitation. Throughout the year, a dry period and a rainy season can be clearly identified, which is typical for the climate of Thailand. Understanding these features will help you better plan your trip and choose the right time to visit.

The rainy season in Khon Kaen usually covers the months from May to October. The highest amount of precipitation falls in September (an average of 9 mm) and July (8 mm). These months also record the maximum number of rainy days: for example, it rains for approximately 25 days in July, and about 24 days in September. April can be considered a transition month to the rainy season, with an increase in precipitation to 2 mm and 9 rainy days. Rains during this period, despite the relatively small total millimeters, can be frequent but, judging by the data, not necessarily torrential.

The dry season in Khon Kaen falls on the period from November to March. At this time, precipitation is minimal or non-existent. January, February, and December are the driest months, when the average rainfall is 0 mm. The number of rainy days also drops sharply: in December there is only one rainy day, and in January and February, there are two each. November and March are also very dry, with 1 mm of precipitation and 3-5 rainy days respectively. This time is characterized by clear and sunny weather.

When planning a trip to Khon Kaen, it is important to consider its tropical climate. Warm weather prevails here throughout the year, so the foundation of your wardrobe should be light, breathable clothing made from natural fabrics such as cotton or linen. From November to February, when average temperatures range from 23°C to 26°C and nighttime lows can drop to 18°C, a light sweater or jacket will come in handy for evening walks. Regardless of the season, comfortable walking shoes, sunscreen with high SPF, a hat, and sunglasses are mandatory companions for any traveler.

The hottest months are March and April, when daytime temperatures can rise to 35-36°C, so choose the loosest and lightest-colored clothing possible. The rainy season in Khon Kaen lasts from May to October. Although rainfall is often short-lived, its intensity and frequency (especially from July to September, when the number of rainy days reaches 23-25 per month) make a light raincoat or compact umbrella indispensable. Clothing made from quick-drying materials will also be very practical during this period. Don't forget to bring insect repellent, especially if you plan to spend time outdoors in the evenings.