High humidity (84%) combined with the heat means it will feel more uncomfortable than the air temperature alone suggests — stay hydrated if you're active outside.

Nearby Regional Outlook

Khon Kaen Weather Radar

Live precipitation · Cloud cover · Wind

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Frequently Asked Questions

What is the hottest month in Khon Kaen?

The hottest month in Khon Kaen is typically April, with daytime highs averaging around 35.5°C (96°F), based on 10 years of historical weather data. Overnight lows during this period average near 25.6°C (78°F). Take extra precautions during this time stay hydrated and avoid strenuous outdoor activity in peak afternoon heat.

What is the coldest month in Khon Kaen?

The coldest month in Khon Kaen is typically January, with overnight lows averaging around 18.5°C (65°F) and daytime highs near 29.3°C (85°F), based on 10 years of historical weather data.

Does Khon Kaen have a rainy season?

Khon Kaen doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. September is the wettest month on average (about 295 mm), while December is the driest (about 6 mm).

What's the best time of year to visit Khon Kaen?

The best time to visit Khon Kaen is typically December to January, when daytime highs average a comfortable 29°C (84°F). Rainfall during this window averages around 7 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.

Is Khon Kaen's air quality safe right now?

As of the latest reading, Khon Kaen's air quality index (AQI) is 82, rated "Moderate", based on the nearest monitoring station. Air quality is acceptable, though unusually sensitive individuals may notice minor effects.

Atmospheric Details

Wind

7 km/h

NE · Light Breeze · Max 19 km/h

Humidity

84 %

High · feels muggy

UV Index

Very High

Visibility

16 km

Excellent

Pressure

992 hPa

Low · change likely

Dew Point

23°C

Very humid

Today vs Normal

32°C+2° above normal

The long-term average high for today is 30°C.

14 of the last 28 days with published data ran above normal.

That's a break from the pattern - today's forecast runs above normal even though the recent stretch mostly ran below.

Red = above normal, blue = at or below · last 12 days

Air Quality

Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Health & Activity Advice

⚠ Limit Outdoor Time

UV index is 8 today — very high. Limit sun exposure around midday, apply SPF 30+ every two hours, and seek shade when possible.

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.

High humidity (84%) combined with the heat means it will feel more uncomfortable than the air temperature alone suggests — stay hydrated if you're active outside.