Monthly climate guide
Udon Thani weather in January
January in Udon Thani is typically hot, with average daytime highs around 29°C (85°F) and night-time lows near 16°C (60°F). The month usually brings about 9 mm of rain (very dry) and is a mix of sun and cloud. Daytime highs are 2°C warmer than December and 3°C cooler than February.
What stands out in January
- It's one of the drier stretches of the year in Udon Thani.
- Expect a big gap between day and night — about 14°C.
- It warms up quickly from here: by February highs are about 4°C higher.
- Rain is well below Udon Thani's usual level (around 92% less).
It's usually the driest month of the year.
Avg high
29°C
85°F
Avg low
16°C
60°F
Rainfall
9 mm
very dry
Humidity
62%
relative
Sky
37%
cloud · a mix of sun and cloud
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 January
- 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 January 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 January
Cite or embed this data
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Udon Thani weather in January. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/thailand/udon-thani/january
<a href="https://weathercompare.eu/weather/thailand/udon-thani/january">Udon Thani weather in January</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 January"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/thailand/udon-thani/january">Udon Thani weather in January</a> – WeatherCompare</p>
Udon Thani in January: quick answers
Is January a good time to visit Udon Thani?
Yes. January is one of the best months for Udon Thani, with highs around 29°C and about 9 mm of rain.
How warm is Udon Thani in January?
Average highs are about 29°C (85°F) and average lows about 16°C (60°F), based on 10 years of daily data.
Does it rain a lot in Udon Thani in January?
Udon Thani typically gets around 9 mm of rain in January — very dry. It's usually the driest month of the year.
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.