Monthly climate guide
Udon Thani weather in May
Expect very hot weather in Udon Thani in May: afternoons reach about 34°C (94°F), while nights drop to around 26°C (78°F). Around 182 mm of rain falls over the month (very wet), and skies are often cloudy. Daytime highs are 3°C cooler than April and 3°C warmer than June.
What stands out in May
- Just 430 km apart, but Udon Thani runs about 2°C warmer than Chiang Mai this month.
- This is rainy-season territory in Udon Thani: short, heavy downpours are typical.
- Only 2 months are warmer in Udon Thani than May.
- Rain is above Udon Thani's usual level, by about 63%.
Avg high
34°C
94°F
Avg low
26°C
78°F
Rainfall
182 mm
very wet
Humidity
69%
relative
Sky
83%
cloud · often cloudy
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 May
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is May 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 May
Cite or embed this data
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Udon Thani weather in May. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/thailand/udon-thani/may
<a href="https://weathercompare.eu/weather/thailand/udon-thani/may">Udon Thani weather in May</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 May"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/thailand/udon-thani/may">Udon Thani weather in May</a> – WeatherCompare</p>
Udon Thani in May: quick answers
Is May a good time to visit Udon Thani?
It can be, if you like heat: May highs in Udon Thani are around 34°C. Good for the beach; plan sightseeing for early morning and evening.
How warm is Udon Thani in May?
Average highs are about 34°C (94°F) and average lows about 26°C (78°F), based on 10 years of daily data.
Does it rain a lot in Udon Thani in May?
Udon Thani typically gets around 182 mm of rain in May — very wet.
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.