Ubon Ratchathani is a province known for its serene natural beauty, historic sites, and deep-rooted cultural traditions. Before planning your itinerary, understanding the weather in Ubon Ratchathani is essential to ensure a comfortable and memorable trip. Whether you’re exploring temples, chasing waterfalls, or enjoying a peaceful retreat at Kaysorn Siri, knowing what to expect from the climate can help you choose the right time to visit.
Year-Round Climate Overview
Ubon Ratchathani has a tropical savanna climate, with three distinct seasons: Cool, Hot, and Rainy. Each brings its own charm, atmosphere, and travel possibilities.
Cool Season (November to February)
Cool mornings, clear skies, and cultural vibrance.
- Temperature: 18°C – 28°C
- Humidity: Low (~60–70%)
- Rainfall: Minimal, especially in December
The cool season is often considered the best time to visit Ubon. During these months, the temperature in Ubon Ratchathani averages between 18°C and 28°C, offering pleasant weather that’s ideal for sightseeing and outdoor adventures. The humidity is low, and the skies are typically clear, making it the perfect time to explore landmarks like Wat Phra That Nong Bua, local markets, and the nearby countryside.
Travelers staying at Kaysorn Siri during this season can enjoy early morning walks, relaxed afternoons in the garden, and crisp evening breezes. This is also a popular season for festivals and cultural events, adding extra vibrancy to your visit.
Hot Season (March to May)
Sun-drenched days and festive spirit.
- Temperature: Up to 35°C, especially in April
- Humidity: Increasing toward May
- Highlights: Songkran Festival (mid-April)
This is Ubon Ratchathani’s hot season, with daytime highs often reaching 35°C. Temperatures usually peak in April, making it the hottest time of the year in the region. Although it may not be ideal for extensive outdoor activities, this season brings with it one of Thailand’s most beloved celebrations — Songkran, Thailand’s traditional New Year, brings lively street water fights, floral offerings, and sacred rituals.
While the weather can be intense, the season is alive with vibrant cultural experiences. Visitors can enjoy the lively atmosphere, taste refreshing seasonal fruits, and relax in the shaded areas of the Kaysorn Siri grounds. After a warm day outdoors, the hotel offers a refreshing retreat with its cool interiors and relaxing accommodations.
If you’re considering a summer holiday and are prepared for the heat, checking the weather forecast ahead of time can help you plan your day around the hottest hours.
Rainy Season (June to October)
Lush landscapes and peaceful quiet.
- Temperature: 24°C – 31°C
- Rainfall: Most frequent in August and September (~300+ mm/month)
- Humidity: High
The rainy season begins around June and continues through October, peaking in August and September. While some may shy away from travel during this period, the landscape in Ubon becomes especially lush and vibrant, with green rice fields, full rivers, and blooming flora. This is when Sam Phan Bok and wildflower fields—are at their most vibrant.
Showers tend to be brief and occur mainly in the afternoons or late at night, allowing travelers to enjoy mostly dry and pleasant daytime hours. The weather in Ubon during this time can be cooler and more refreshing than the hot season, despite the occasional rain. It’s also a quieter season, offering lower travel rates and fewer crowds — ideal for those seeking a tranquil stay.
Nature lovers and photographers will find this a perfect time to visit. Guests at Kaysorn Siri can enjoy cozy indoor moments, watch the rain over a cup of coffee, or venture out between showers to witness the beauty of the region’s rural life.
Choosing the Right Season for You
Deciding on the best time to visit Ubon Ratchathani depends on your preferences. For those who enjoy cool, dry weather and a packed cultural calendar, November to February is optimal. If you want to experience vibrant local traditions, the hot season delivers — just be sure to stay cool and hydrated. For budget-conscious travelers and nature seekers, the rainy season offers a different but equally rewarding experience.
Helpful Travel Tips
- Pack appropriately: Lightweight clothing for the hot season, a light jacket for cooler evenings, and a raincoat or umbrella during the rainy months.
- Stay sun-safe: Sunscreen, hats, and sunglasses are recommended year-round.
- Hydration matters: Always carry water, especially when exploring outdoors.
- Plan around weather: Check the latest weather forecasts before activities like nature hikes or temple visits.
Enjoy Ubon Ratchathani in Every Season
No matter when you choose to visit Ubon Ratchathani, your stay can be unforgettable — especially with the right accommodation. At Kaysorn Siri, we provide a peaceful sanctuary close to all of the region’s major attractions. Whether you’re traveling during the dry, hot, or rainy season, our team is here to ensure your comfort and relaxation.
From sunrise strolls in winter to rainy-day reading in summer, Ubon has something for everyone. Let the changing weather in Ubon Ratchathani, Thailand guide your adventure, and allow Kaysorn Siri to be your home away from home in every season.
Let the seasons of Ubon guide your journey—and let Kaysorn Siri welcome you home.