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Nong Khai

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Travel Info
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Travel Info

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Nong Khai Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Nong Khai year round climate

  • Spring (March–May): Average 28.5–30.7°C, hot climate. Rainfall gradually increases from March, with heavier rainfall in May. Common activities: Visiting temples, enjoying local cuisine. Recommended clothing: Light and breathable clothing, short sleeves, loose-fitting long trousers, sun protection clothing and hat.
  • Summer (June–August): Average 27.8–28.6°C, hot and humid climate with abundant rainfall. Common activities: Boat trips on the Mekong River, exploring local markets. Recommended clothing: Light and breathable clothing, short sleeves, loose-fitting long trousers, rain gear.
  • Autumn (September–November): Average 26.9–28°C, warm climate. September has the most rainfall, which gradually decreases afterwards. Common activities: Visiting natural landscapes, outdoor activities. Recommended clothing: Light and breathable clothing, long or short sleeves.
  • Winter (December–February): Average 23.7–25.4°C, mild and comfortable climate, relatively dry. Common activities: Visiting temples, enjoying a relaxed atmosphere. Recommended clothing: Light jacket, long-sleeved shirts.

Nong Khai climatological average

Annual average temperature: approx. 27.4°C / Annual rainfall: approx. 1862 mm / Summer humidity: 70%–80% / Rainiest month: September

Nong Khai monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
23.7°C
17
February
25.4°C
40.7
March
28.5°C
65
April
30.7°C
44.3
May
29.5°C
163.7
June
28.6°C
251.7
July
28.5°C
377.3
August
27.8°C
408
September
27.6°C
427.7
October
28°C
60.3
November
26.9°C
6.3
December
24°C
0

Nong Khai weather for the next seven days

12/18
Thursday
Sunny
28.3°C/17°C
12/19
Friday
Sunny
29.8°C/17.4°C
12/20
Saturday
Sunny
29.3°C/17.6°C
12/21
Sunday
Sunny
29.3°C/17°C
12/22
Monday
Sunny
28.9°C/17.1°C
12/23
Tuesday
Sunny
29.6°C/19.9°C
12/24
Wednesday
Sunny
28.9°C/19.4°C

Nong Khai Frequently Asked Questions and Useful Information for Travel

Is there a train from Bangkok to Nong Khai?

Yes, there are direct trains from Bangkok to Nong Khai, offering a convenient way to reach this border town. Sleeper berths are available on select services, making overnight journeys comfortable.

What is Nong Khai known for?

Nong Khai is renowned for its beautiful temples, rich traditional culture, and a tranquil rural lifestyle. The most captivating annual event is the Bung Fi Phaya Nak, or naga fireballs, a mysterious phenomenon where glowing balls of light rise from the Mekong River.

How to cross the border from Nong Khai?

For crossing into Laos, you can take a train from Nong Khai to Thanaleng station. From Thanaleng, you will need to de-board and take a bus to Vientiane, the capital of Laos.

Does Nong Khai have an airport?

Nong Khai does not have its own airport. Travelers typically fly into Udon Thani International Airport and then take road transport to Nong Khai.

What are the main attractions in Nong Khai?

Nong Khai offers several attractions, including the Sala Keoku sculpture park, Wat Pho Chai with its impressive Buddha images, and the vibrant Red Lotus Sea during the blooming season. The riverside promenade is also a popular spot for leisurely strolls.