Climate and monthly weather forecastKhon Kaen, Thailand

The climate of Khon Kaen

Khon Kaen, a vibrant city in northeastern Thailand, falls under the Köppen climate classification of Aw, often characterized as a tropical wet and dry or savanna climate. The city experiences hot temperatures throughout the year, with an extraordinary balance between high humidity and sunshine hours.

The highest average temperature hovers around 36.4°C (97.5°F) in April, while the cooler months, December and January, see a bearable dip to around 30.1°C (86.2°F). An exceptional fluctuation exists in the low temperatures as well, peering at 24.4°C (75.9°F) in May and succumbing to around 16.1°C (61°F) in January. The nights in this tropical city, nevertheless, hold dramatic temperature disparity from hot days. The humidity in Khon Kaen relatively remains high throughout the year, with slight variations from 61% in March to 83% in September.

When assessing rainfall, Khon Kaen’s weather displays a remarkable pattern. The city remains quite dry from January to March, experiencing only minimal rainfall, averaging from 4mm (0.16") in January to 42mm (1.65") in March. However, a significant transition in precipitation is seen between May and October. This period marks the heaviest rain, with the maximum downpour reaching to 232mm (9.13") in September.

The best time to visit Khon Kaen

The most favorable time to plan a visit to Khon Kaen is between November to February. During these months, the temperatures are relatively lower, averaging between 30.1°C (86.2°F) and 33.1°C (91.6°F). The rainfall is quite minimal, reaching only up to 16mm (0.63") in November. The average low temperatures range from 16°C (60.8°F) in December to 23.6°C (74.5°F) in February, providing pleasantly cool evenings. Visitors can enjoy around 11.4 hours to 11.6 hours of daylight coupled with considerable 8.6 to 9 hours of sunshine.

The worst time to visit Khon Kaen

The months from May to October spell challenging conditions for travel due to heavy rainfall. The rainfall averages between 169mm (6.65") in May and rises to 232mm (9.13") in September. These months also see high humidity levels, reaching up to 83% in September. Despite longer daylight hours, reaching up to 13.1 hours in June, the amount of sunshine received is relatively lower than other months, averaging around 5.7 to 6 hours.

Spring weather in Khon Kaen

In Khon Kaen, springtime extends from March to May. The weather is mostly characterized by rising temperatures, escalating from an average high of 35.3°C (95.5°F) in March to 36.4°C (97.5°F) in April. Correspondingly, the low temperatures show an upward trend from 21.8°C (71.2°F) in March to 24.4°C (75.9°F) in May. Meanwhile, the humidity levels rise from 61% to 74%. The city receives abundant sunshine of about 8.4 hours in April despite the increasing rainfall from 42mm (1.65") to 169mm (6.65").

Summer weather in Khon Kaen

The summer season in Khon Kaen runs from June to August. The high temperatures during this period maintain consistency, remaining between 33.6°C (92.5°F) in June and 32.4°C (90.3°F) in August. The low temperatures hover around the mid-20s, specifically between 24°C (75.2°F) in June and 23.5°C (74.3°F) in August. Rainfall elevates during these months, peaking at about 216mm (8.5") in August. Despite high rainfall, the average sunshine hours are relatively low, remaining around 5.3 to 6 hours.

Autumn weather in Khon Kaen

Autumn in Khon Kaen encapsulates the months from September to November. While the high temperatures remain fairly stable around the low 30s, the low averages gradually decrease from 23.4°C (74.1°F) in September to 22.1°C (71.8°F) in November. The city witnesses its highest rainfall of 232mm (9.13") in September. However, the precipitation significantly reduces by November, settling at 16mm (0.63"). The sunshine hours also witness a gradual improvement, increasing from 5.7 hours in September to 8.5 hours in November.

Winter weather in Khon Kaen

Winter in Khon Kaen, occurring in December and January, is relatively mild. The high temperatures moderately reduce to around 30.1°C (86.2°F) in December, and the lows can drop to around 16°C (60.8°F) in January, offering a respite from the typical warm conditions. The rainfall during this period is meager, averaging about 4mm (0.16") in December to 4mm (0.16") in January. Despite the cooler temperatures, the city basks in an average of 8.6 to 9 hours of daily sunshine.

Weather in January

January in Khon Kaen, Thailand, is slightly colder compared to the coming months. This month carries the least amount of rainfall, with just 4mm (0.16") falling over the span of one day. Moderate levels of humidity, enjoyable daylight hours, and extensive sunshine contribute to weather favoring outdoor activities. Weather in January »

Weather in February

The weather transitions in February, with temperatures inching higher and a slight increase in humidity. The rainfall tends to increase as well, reaching a total of 21mm (0.83") spread over two days. The length of daylight extends and the sunshine duration remains nearly consistent to January. Weather in February »

Weather in March

March represents the onset of a more humid period in Khon Kaen. Rainfall doubles from February to March, with the city seeing 42mm (1.65") coming down over a span of four days. Accompanied by a surge in relative humidity, the higher rainfall endows the landscape with a freshly washed look. Weather in March »

Weather in April

The richness of the tropical climate hits its stride in April. Both rainfall and temperatures increase remarkably from March to April, with 90mm (3.54") of rainfall across seven days and peak temperatures soaring to 36.4°C (97.5°F). Weather in April »

Weather in May

As May rolls in, Khon Kaen embraces its rainiest month. The showers intensify significantly from April, with nearly double the rainfall amounting to 169mm (6.65") distributed over 14 days. This period witnesses a shift not only in terms of showers but also in humidity and sunshine duration. Weather in May »

Weather in June

June carries forward the trends set by May in Khon Kaen. The rainfall goes slightly lower, from 169mm (6.65") in May to 162mm (6.38") in June, from 14 to 15 days. In parallel with increased rainfall, the temperature adjusts slightly, maintaining a warm climate, further escalated by the dimension of heightened relative humidity. Weather in June »

Weather in July

The weather imprints from June and transformations in July yield a balanced climatic experience. Both the minimum temperature and rainfall increase slightly, attributing 173mm (6.81") of rainfall over 16 days and a low temperature fluctuating around 23.6°C (74.5°F). Weather in July »

Weather in August

August perseveres to be one of the rainiest months in Khon Kaen, in line with the monsoon trends. The peak rainfall in August measures 216mm (8.5"), which pours down over 18 long days. Beyond the showers, relatively cooler weather and low sunshine thresholds depict a more calming demeanor. Weather in August »

Weather in September

September presents itself as a transitional period in Khon Kaen's weather timeline. The defining character of September is substantial rainfall, with 232mm (9.13") occurring over a span of 18 days. Alongside, a decrease in temperature range, a slight extension in daylight hours, and the highest relative humidity level of 83% conspire to yield vibrant tropical vibes. Weather in September »

Weather in October

October stands as a month of significant change in weather patterns for Khon Kaen. Rainfall drops significantly from the previous month, accumulating 118mm (4.65") over 10 days only. This reduction in rainfall corresponds with a concomitant drop in humidity levels and a sustained drop in temperature. Weather in October »

Weather in November

The onset of November marks the transition to a substantially dry season in Khon Kaen. The generally warm climate cools down further, coupled with a tremendous reduction in rainfall, down to a meager 16mm (0.63") across two days. Weather in November »

Weather in December

Closing the annual weather chapter, Khon Kaen in December experiences the year's coolest temperatures. Shedding the typical tropical warmth, the city collects only 4mm (0.16") rainfall over a single day. A combination of the lowered thermometer readings, striving daylight hours, and curtailed sunshine period places December firmly within the bracket of a humble and mild tropical winter. Weather in December »