Year-round weather and climate in Udon Thani, Thailand
Average temperatures in Udon Thani run from an average low of 16°C61°F in January up to an average high of 37°C99°F in April. December is the driest month at 0 rainy days; July the wettest at 28 rainy days. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 131K
- Currency
- THB
- Language
- Thai
- Time zone
- Bangkok
Best time to visit
The most pleasant weather falls in December, January, and February, offering a perfect balance of comfortable temperatures and clear skies.
Rain character
Tropical Downpours: Expect intense bursts of rain during wetter months. Pack quick-drying footwear and a compact umbrella.
Day-to-night swing
The Daypack Trap: Beware the "noon illusion". In months like February, crisp sunny days drop off a cliff by <span class="val-c">12°C</span><span class="val-f">22°F</span> at sunset. Always carry an evening layer.
Seasonality Profile
Humid Subtropical: Sweltering, wet summers accompanied by mild, drier winters.
Evening vibe
Seasonal Terraces: During the more temperate months, the city opens up with lively outdoor terraces. For the rest of the year, expect to dine indoors.
Sightseeing stamina
High Heat Fatigue: During the hotter half of the year, midday sun can cause heat exhaustion. Adopt a local rhythm: sightsee early, and rest indoors at 2 PM.
Average temperatures, sunshine, and rainfall
Average monthly weather in Udon Thani, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Dec is typically driest at 0 rainy days (4mm); Jul the wettest at 28 rainy days (351mm).
| Month | Average high | Average low | Daily sunshine | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | 27°C / 81°F | 16°C / 61°F | 10h | 2 | 11mm |
| Feb | 31°C / 87°F | 19°C / 67°F | 10h | 2 | 10mm |
| Mar | 33°C / 92°F | 22°C / 71°F | 11h | 4 | 38mm |
| Apr | 37°C / 98°F | 26°C / 78°F | 11h | 6 | 37mm |
| May | 34°C / 94°F | 25°C / 78°F | 10h | 20 | 195mm |
| Jun | 32°C / 90°F | 25°C / 77°F | 9h | 24 | 258mm |
| Jul | 31°C / 88°F | 25°C / 76°F | 8h | 28 | 351mm |
| Aug | 31°C / 88°F | 24°C / 76°F | 8h | 26 | 294mm |
| Sep | 30°C / 87°F | 24°C / 75°F | 8h | 27 | 421mm |
| Oct | 31°C / 88°F | 23°C / 73°F | 10h | 14 | 158mm |
| Nov | 30°C / 85°F | 20°C / 69°F | 10h | 5 | 24mm |
| Dec | 29°C / 83°F | 18°C / 65°F | 10h | 0 | 4mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Udon Thani?
April is the sunniest month in Udon Thani, averaging 11 hours of sunshine a day. Pack sunglasses and high-SPF sunscreen.
What clothes should I pack for Udon Thani?
Your packing list depends entirely on when you travel. Temperatures in Udon Thani swing from an average low of 16°C61°F in January up to 37°C99°F in April. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.
Do I need to pack an umbrella for Udon Thani?
Udon Thani gets rain on about 158 days a year, with July being the wettest. If you're traveling then, pack an umbrella and a light rain jacket.
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Udon Thani with Packola.
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