Khon Kaen Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Khon Kaen.
Climate overview of Khon Kaen
The climate in Khon Kaen, Khon Kaen Province, Thailand, is remarkably consistent, with temperatures year-round averaging 34°C (93°F). The warmest month is April at 38°C (100°F), and the coolest is December at 31°C (88°F).
The city has a wet climate, receiving around 1256 mm (49 in) of rainfall per year. Despite the high annual total, it has distinct dry (November to March) and wet (July to September) seasons. September is the wettest month. Sunshine peaks in March, when the city sees around 9.2 hours of sunshine per day.
Khon Kaen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Khon Kaen - and find the best time to visit.
Monthly Temperature in Khon Kaen
In Khon Kaen temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very hot 38°C (100°F) in April to a very warm 31°C (88°F) in December.
Nighttime temperatures range from 26°C (79°F) in April to 18°C (64°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Khon Kaen
Khon Kaen experiences significant rainfall throughout the year, averaging 1256 mm (49 in) of precipitation annually. The seasons in Khon Kaen bring significant changes in precipitation. The wettest month, September, receives heavy rainfall, with an average of 256 mm (10 in) of precipitation. This rainfall is distributed across 18 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 6.2 mm (0.2 in) over a single rainy day. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Khon Kaen Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Khon Kaen
In Khon Kaen, summer days are longer and more sunny, with daily sunshine hours peaking at 9.2 hours in March. As the darker season arrives, the brightness of the sun becomes less. August sees a soft sun for only 3.9 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Khon Kaen by Month
The relative humidity is high throughout the year in Khon Kaen.
The city experiences its highest humidity in August, reaching 83%. In February, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Khon Kaen
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: January, November and December
- Warmest weather: March, April and May
- Most sunshine: January and March
- Fewest rainy days: January, February, November and December
- Wettest months: May, June, July, August, September and October, when rainfall is highest.
- Seasonal pattern: Distinct dry (November to March) and wet (July to September) seasons
Frequently asked questions about the climate in Khon Kaen
What is the best time to visit Khon Kaen?
January, November and December typically offer the most optimal weather in Khon Kaen. In contrast, February, March, April, May, June, July, August, September and October tend to have less optimal conditions. Khon Kaen has distinct dry (November to March) and wet (July to September) seasons.
What temperatures can I expect in Khon Kaen?
Daytime highs range from 31°C (88°F) in December to 38°C (100°F) in April. Nighttime lows range from 18°C (64°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Khon Kaen get?
Annual rainfall is around 1256 mm (49 in). September is the wettest month with 256 mm (10 in), while December is the driest with 6.2 mm (0.2 in).
How sunny is Khon Kaen?
Khon Kaen receives around 2,545 hours of sunshine per year. March is the sunniest month with 276 hours, while August is the cloudiest with just 118 hours. Overall, Khon Kaen enjoys abundant sunshine.
Khon Kaen 3-Day Forecast
Khon Kaen on the map
Khon Kaen is highlighted - select any city to see its climate.
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