Monthly climate guide
Udon Thani weather in December
With highs near 28°C (82°F) and lows around 15°C (59°F), December feels hot in Udon Thani. Rainfall averages about 9 mm (very dry) and the sky is mostly sunny. Daytime highs are 2°C cooler than November and 2°C cooler than January.
What stands out in December
- Evenings cool off sharply: the daily range is around 13°C, so pack a layer.
- It's one of the drier stretches of the year in Udon Thani.
- Just 320 km apart, but Udon Thani runs about 3°C cooler than Sukhothai Thani this month.
- Rain is well below Udon Thani's usual level (around 92% less).
December is typically Udon Thani's coolest month.
Avg high
28°C
82°F
Avg low
15°C
59°F
Rainfall
9 mm
very dry
Humidity
69%
relative
Sky
33%
cloud · mostly sunny
Udon Thani weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 29°C / 85°F | 16°C / 60°F | 9 mm | 62% | 37% |
| February | 33°C / 91°F | 18°C / 65°F | 15 mm | 53% | 32% |
| March | 36°C / 96°F | 23°C / 73°F | 40 mm | 50% | 44% |
| April | 37°C / 98°F | 25°C / 77°F | 69 mm | 52% | 60% |
| May | 34°C / 94°F | 26°C / 78°F | 182 mm | 69% | 83% |
| June | 32°C / 89°F | 25°C / 76°F | 172 mm | 80% | 91% |
| July | 30°C / 87°F | 24°C / 75°F | 232 mm | 83% | 93% |
| August | 30°C / 86°F | 24°C / 74°F | 265 mm | 86% | 94% |
| September | 30°C / 86°F | 24°C / 74°F | 213 mm | 87% | 86% |
| October | 29°C / 85°F | 21°C / 71°F | 112 mm | 84% | 60% |
| November | 29°C / 85°F | 19°C / 66°F | 23 mm | 78% | 45% |
| December | 28°C / 82°F | 15°C / 59°F | 9 mm | 69% | 33% |
What to pack for December
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- An extra layer — evenings are noticeably cooler than afternoons
- Sunglasses
Is December a good time to visit Udon Thani?
Compare the months in the chart above to find your ideal window.
Best time to visit Udon Thani →Other Thailand cities in December
Cite or embed this data
Writing about this destination? Copy a ready-made citation or embed a live widget — free, just keep the link.
Udon Thani weather in December. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/thailand/udon-thani/december
<a href="https://weathercompare.eu/weather/thailand/udon-thani/december">Udon Thani weather in December</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/thailand/udon-thani" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Udon Thani weather in December"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/thailand/udon-thani/december">Udon Thani weather in December</a> – WeatherCompare</p>
Udon Thani in December: quick answers
Is December a good time to visit Udon Thani?
Yes. December is one of the best months for Udon Thani, with highs around 28°C and about 9 mm of rain.
How warm is Udon Thani in December?
Average highs are about 28°C (82°F) and average lows about 15°C (59°F), based on 10 years of daily data.
Does it rain a lot in Udon Thani in December?
Udon Thani typically gets around 9 mm of rain in December — very dry.
Figures are long-term averages for the area around Udon Thani (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.