Udon Thani Weather in May
Udon Thani in May averages 35°C (95°F) during the day and 26°C (79°F) at night. May is part of the rainy season, so frequent rainfall is typical.
Rainfall in Udon Thani in May
As part of the rainy season, Udon Thani sees around 17 days of rain in May, with an average of 216 mm (8.5 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Udon Thani in May
May in Udon Thani brings extremely high temperatures, with highs of 35°C (95°F) and nights around 26°C (79°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Udon Thani in May
Expect a lot of sunshine this month, with about 198 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit Udon Thani. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Udon Thani's climate page.
Udon Thani Temperature in May
Min Temperature
26°C (79°F)
Max Temperature
35°C (95°F)
Chance of Rain
55%
Precipitation
216 mm (8.5 in)
Rainy days
17 days
Humidity
78% *
Sunshine
198 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Udon Thani typically stay consistent throughout May, with daily highs averaging around 35°C (95°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Udon Thani in May
Browse day-by-day weather records for Udon Thani spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Udon Thani historical weather extremes in May
According to our 49 years of weather records for Udon Thani, the following extremes were recorded between 1976 and 2025.
- The warmest day in May was on May 2, 1990, with a maximum of 44°C (111°F).
- On May 21, 2000, Udon Thani saw its coldest May day with temperatures maxing out at 23°C (73°F).
- The coldest night in May in Udon Thani was on May 6, 1976, with a minimum of 19°C (66°F).
Best Places in Thailand in May
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in May →
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tolerable
unpleasant
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What to Wear in Udon Thani in May
Hot weather in May means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Udon Thani in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Udon Thani's climate page.
Temperature Rainfall Sunshine Humidity
See the full Udon Thani climate overview or explore weather in Thailand.
