Udon Thani Weather in December
December in Udon Thani brings very high temperatures, with daytime highs of 30°C (86°F) and nights around 18°C (64°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.
Rainfall in Udon Thani in December
You can expect the least amount of rain of the year this month, making it perfect for outdoor events and activities. You can expect rain on roughly a single day based on historical data, averaging 7.1 mm (0.3 in) for the month. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.
Temperature in Udon Thani in December
Weather in Udon Thani is at its excellent in December. Highs reach 30°C (86°F), while nights settle around 18°C (64°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. Though it's the cooler month of the year, the weather remains warm. Ideal for enjoying the outdoors.
Sunshine in Udon Thani in December
The month enjoys around 249 hours of sunshine, creating mostly sunny days with good weather conditions.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, November and December typically offer the best weather for Udon Thani.
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 December
Min Temperature
18°C (64°F)
Max Temperature
30°C (86°F)
Chance of Rain
3%
Precipitation
7.1 mm (0.3 in)
Rainy days
a single day
Humidity
70% *
Sunshine
249 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Udon Thani typically stay consistent throughout December, with daily highs averaging around 30°C (86°F). Nights are pleasant, with lows typically ranging from 16°C (61°F) to 18°C (64°F).
Average temperatures in December
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 December
Historical weather for Udon Thani in December
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 December
The extremes listed below come from historical weather data collected in Udon Thani from 1976 through 2025.
- Udon Thani recorded its highest December temperature of 35°C (95°F) on December 3, 2018.
- The lowest daytime temperature in December was 15°C (59°F), recorded on December 29, 1991.
- Nighttime temperatures dropped to 5°C (41°F) on December 25, 1999, marking the coldest December night on record.
Best Places in Thailand in December
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in December →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Udon Thani in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Udon Thani in December
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.
