Khon Kaen is the capital of Khon Kaen province and the fourth-largest city in Thailand, with a metropolitan population of approximately 1.8 million. Located in the Isan region of Northeast Thailand, it ranks among the "big four of Isan" alongside Udon Thani, Nakhon Ratchasima, and Ubon Ratchathani. The city sits at 16.4°N, 102.6°E and experiences a tropical savanna climate with pronounced seasonal variation. Monsoon rains peak in September, averaging 287mm, while the driest months occur in December and January with minimal precipitation. Average temperatures range from 23°C in winter to approximately 29°C during pre-monsoon months (April–May). Khon Kaen Airport lies 18km from the city center, providing regional connectivity. The city contains 51 temples within a 10km radius, reflecting its cultural and religious significance as a center of Theravada Buddhism in Isan.
Updated 2026-05-03 · Source: GeoNames, Wikipedia
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Khon Kaen Airport
Khon Kaen
Khon Kaen lies in the Khorat Plateau region of Northeast Thailand, characterized by a tropical savanna climate with clear seasonal patterns. Winter months (November–February) are cool and dry, with January temperatures averaging 23.1°C and minimal rainfall (9mm). The pre-monsoon period (March–May) becomes progressively hotter, peaking in April at 29.4°C average temperature and 34.5°C highs, with increasing rainfall (74mm). The southwest monsoon dominates May through October, bringing heavy precipitation. September is the wettest month, averaging 287mm of rain across 25 days. Temperatures during the monsoon remain warm but moderate, ranging 26.6–29.1°C. The post-monsoon transition (October–November) sees rainfall decline and temperatures cool gradually toward winter conditions.
Khon Kaen is the fourth-largest city in Thailand by population, with a metropolitan area of approximately 1.8 million residents. As the capital of Khon Kaen province, it serves as the administrative, economic, and cultural hub of Northeast Thailand. The city is one of the four major urban centers of Isan, a designation that reflects its regional importance. It functions as a secondary metropolitan center after Bangkok, anchoring development and commerce across the northeastern plateau region.

Khon Kaen has significant religious and cultural importance, with 51 Buddhist temples located within a 10km radius of the city center. This concentration reflects the region's deep Theravada Buddhist traditions. Named cultural attractions within the city include Phanom Pheng, Saiffung, and Atchalai, which rank among the city's notable heritage and tourism sites. These landmarks serve both local devotional purposes and regional tourism.
Khon Kaen Airport is the primary commercial gateway, located 18km from the city center. The airport provides regional air connectivity, connecting Khon Kaen to major cities across Thailand and neighboring countries. Ground transportation from the airport to central Khon Kaen is available via road networks serving the Khorat Plateau.

The optimal months for visiting Khon Kaen are the cool and dry season from November through February, and early March. These months feature comfortable temperatures (23–25°C), minimal rainfall, and clear skies. December and January are particularly dry, with precipitation under 10mm. November offers a transition between the monsoon and winter seasons, with moderate rainfall (33mm) and temperatures around 25°C. This period provides ideal conditions for outdoor activities and temple exploration. March becomes progressively warmer but remains relatively dry before April rains intensify.
Geographic data from GeoNames (CC BY 4.0). Narrative sourced from Wikipedia (CC BY-SA 4.0) and structured by Claude. Map by © OpenStreetMap contributors (ODbL). See the methodology and sources registry for full attribution and update cadence.
This page last refreshed 2026-05-03.