What is the climate like in Ubon Ratchathani?

Ubon Ratchathani has a tropical monsoon climate. Temperatures average 24–29°C year-round, peaking in April at 34.4°C. The dry season runs November–February with minimal rain. Monsoon rains occur May–October, with July being the wettest month at 407 mm of precipitation. November–February offers the most comfortable visiting conditions.

How do I get to Ubon Ratchathani from Bangkok?

The primary route is by flying to Ubon Ratchathani Airport (UBP), 33 km from the city, with flights from Bangkok typically 1–1.5 hours. Alternatively, intercity buses operate from Bangkok to Ubon (10–12 hours) via Highway 20. Pakse International Airport in Laos, 66 km away, is another option for cross-border travelers.

What cultural sites are notable in Ubon Ratchathani?

The city contains 26 Buddhist temples within a 10 km radius, reflecting strong Isan spiritual heritage and Khmer-influenced architecture. Temples serve as centers for Buddhist practice, pilgrimage, and cultural ceremonies. The city's name, meaning 'royal lotus city,' underscores its historical and spiritual significance as an Isan cultural hub.

Is Ubon Ratchathani suitable for independent travel?

Yes, the city is accessible for independent travelers. Local songthaews provide affordable transport, motorbike rentals enable countryside exploration, and basic guesthouses and hotels are available. English is less widely spoken than in Bangkok, but tourism infrastructure in the city center is functional for self-guided visitors.

What is the best time to visit Ubon Ratchathani?

November through February is optimal, with cool temperatures (24–26°C) and minimal rainfall (6–35 mm). January offers the coolest and driest conditions. Avoid May–October due to heavy monsoon rains (up to 407 mm in July) and high humidity. March–April becomes uncomfortably hot, reaching 34°C.

Ubon Ratchathani: Isan's Historic City

Ubon Ratchathani is one of Thailand's four major Isan cities, alongside Nakhon Ratchasima, Udon Thani, and Khon Kaen. Located in southeastern Isan on the Mun River approximately 615 km from Bangkok, this city of roughly 1.88 million inhabitants serves as the administrative center of Ubon Ratchathani Province. The name "Ubon Ratchathani" translates to "royal lotus city." The region experiences a tropical monsoon climate with distinct seasonal patterns: cool and dry from November to February, hot and dry from March to April, and wet from May to October. July and August are the wettest months, with 407 mm and 333 mm of precipitation respectively. The nearest commercial airport is Ubon Ratchathani Airport (UBP), located 33 km from the city center, offering regional connectivity. The city is characterized by its strong cultural heritage, with 26 temples located within a 10 km radius, reflecting its significance as a spiritual and cultural hub for Isan.

Updated 2026-05-03 · Source: GeoNames, Wikipedia

Image: Wikimedia Commons contributors · CC BY-SA 4.0 via

Population: 1.9M
Climate: Tropical monsoon
Best months: Jan–Feb, Nov–Dec

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Local currency

THB

Timezone

Asia/Bangkok

Ubon Ratchathani: Isan's Historic City: 15.167, 105.167Open in OpenStreetMap ↗

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Climate

Weather data by Open-Meteo.com

Monthly normals (10-year window). Bars show precipitation, lines show average and max temperature.

Best months to visit: Jan, Feb, Nov, Dec

What's around (within 10km, 43 POIs)

26
Temples
7
Restaurants
3
Guesthouses
2
ATMs
2
Cafés
2
Hotels
1
Markets

Nearest airports

OpenFlights.org

Ubon Ratchathani Airport
Ubon Ratchathani
UBP33km
Pakse International Airport
Pakse
PKZ66km

Quick facts

Ubon Ratchathani is one of Thailand's four major Isan cities alongside Nakhon Ratchasima, Udon Thani, and Khon Kaen.
The city is located approximately 615 kilometers from Bangkok in southeastern Thailand.
Ubon Ratchathani contains 26 Buddhist temples within a 10-kilometer radius.
Ubon Ratchathani Airport is the closest commercial airport, situated 33 kilometers from the city center.
The city's name translates to 'royal lotus city' in English.
July is the wettest month, averaging 407 millimeters of precipitation with 29 rainy days.
December is the driest month, averaging only 6 millimeters of precipitation.
April is the hottest month, with maximum temperatures reaching 34.4 degrees Celsius.
The city has a population of approximately 1.88 million inhabitants.
Ubon Ratchathani serves as the administrative center of Ubon Ratchathani Province.
The city is located on the Mun River in the Isan plateau region.
November through February offer the most comfortable visiting conditions with temperatures averaging 24-26 degrees Celsius.
Monsoon rains occur from May to October, with September receiving 379 millimeters of precipitation.
Pakse International Airport in Laos is an alternative gateway, located 66 kilometers from the city.

Geography & Climate

Ubon Ratchathani sits in southeastern Thailand's Isan plateau region along the Mun River. The city experiences a tropical monsoon climate with pronounced seasonal variation. Average temperatures range from 24.3°C in December to 29.4°C in April. The driest period occurs from November to February, with January receiving only 6 mm of rain. The monsoon season brings substantial rainfall between May and October, peaking in July with 407 mm and 29 rainy days. Humidity levels remain elevated year-round due to proximity to the Mun River and the broader Southeast Asian monsoon system.

Distance from Bangkok: 615 km
Hottest month: April, 34.4°C max
Wettest month: July, 407 mm precipitation
Population (municipality): 1,878,146

Culture & Spiritual Heritage

Ubon Ratchathani is a center of Isan cultural tradition and Buddhist heritage. The city contains 26 Buddhist temples within a 10 km radius, making it a significant pilgrimage and spiritual destination. These temples reflect both historical Khmer-influenced architecture and contemporary Thai Buddhist practices. The city's name—meaning "royal lotus city"—references its cultural and royal significance. Local festivals and religious ceremonies follow the Buddhist calendar and monsoon cycles, with important celebrations marking the end of the Buddhist Lent period.

Temples (within 10 km): 26
Administrative role: Provincial capital
Cultural region: Isan

Getting There

Ubon Ratchathani Airport (UBP) is the primary air gateway, located 33 km from the city center, with direct flights connecting to Bangkok and other regional hubs. An alternative airport option is Pakse International Airport in Laos, situated 66 km away, useful for cross-border travel. The city is accessible by bus from Bangkok (approximately 10–12 hours) via Highway 20, and local transport within the city is served by songthaews (shared red taxis) and motorcycle taxis. The Mun River provides historical significance as a transport and cultural corridor.

Nearest airport (UBP): 33 km
Alternative airport (PKZ, Laos): 66 km
Distance from Bangkok: 615 km by road

Best Time to Visit

The optimal months to visit Ubon Ratchathani are November through February, when conditions are cool and dry. December and January offer the most comfortable temperatures (averaging 24–25°C) and minimal rainfall (6–9 mm). February is slightly warmer at 25.5°C but remains dry with only 12 mm of rain. November also provides pleasant conditions with an average of 25.9°C. These months coincide with Thailand's high travel season. The period from March to April becomes hot, with temperatures reaching 34°C, while May to October brings heavy monsoon rains, particularly July and August, which see 407 mm and 333 mm respectively.

Best visit months: November–February
Coolest average temp: December, 24.3°C
Lowest rainfall season: November–February, 6–35 mm

Getting Around

Local transportation in Ubon Ratchathani relies primarily on songthaews (shared minibuses operating on fixed routes), motorcycle taxis, and personal tuk-tuks. Motorbike and bicycle rentals are available for exploring the surrounding countryside and Mun River villages. Within the city, walking is feasible in commercial and temple districts. For longer excursions to nearby provinces or Laos, intercity buses operate from the main bus station. The city's relatively compact size and flat terrain make navigation straightforward for visitors.

Main public transport: Songthaews (shared taxis)
City terrain: Flat

Frequently asked questions

What is the climate like in Ubon Ratchathani?: Ubon Ratchathani has a tropical monsoon climate. Temperatures average 24–29°C year-round, peaking in April at 34.4°C. The dry season runs November–February with minimal rain. Monsoon rains occur May–October, with July being the wettest month at 407 mm of precipitation. November–February offers the most comfortable visiting conditions.
How do I get to Ubon Ratchathani from Bangkok?: The primary route is by flying to Ubon Ratchathani Airport (UBP), 33 km from the city, with flights from Bangkok typically 1–1.5 hours. Alternatively, intercity buses operate from Bangkok to Ubon (10–12 hours) via Highway 20. Pakse International Airport in Laos, 66 km away, is another option for cross-border travelers.
What cultural sites are notable in Ubon Ratchathani?: The city contains 26 Buddhist temples within a 10 km radius, reflecting strong Isan spiritual heritage and Khmer-influenced architecture. Temples serve as centers for Buddhist practice, pilgrimage, and cultural ceremonies. The city's name, meaning 'royal lotus city,' underscores its historical and spiritual significance as an Isan cultural hub.
Is Ubon Ratchathani suitable for independent travel?: Yes, the city is accessible for independent travelers. Local songthaews provide affordable transport, motorbike rentals enable countryside exploration, and basic guesthouses and hotels are available. English is less widely spoken than in Bangkok, but tourism infrastructure in the city center is functional for self-guided visitors.
What is the best time to visit Ubon Ratchathani?: November through February is optimal, with cool temperatures (24–26°C) and minimal rainfall (6–35 mm). January offers the coolest and driest conditions. Avoid May–October due to heavy monsoon rains (up to 407 mm in July) and high humidity. March–April becomes uncomfortably hot, reaching 34°C.

More about Ubon Ratchathani: Isan's Historic City

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Chiang Rai

City in Thailand

Nakhon Ratchasima

Regional capital of northeastern Thailand with 2.6 million residents, known for historical ruins, temples, and Isaan cultural heritage.

Bangkok

Capital and largest city of Thailand

Udon Thani

Capital city of Udon Thani Province and one of the four major cities in Isan, Thailand, with a population of approximately 400,000 in its urban area.

Sources & methodology

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.