Ayutthaya Weather in December
December in Ayutthaya brings very high temperatures, with highs of 34°C (93°F) and nights dropping to 22°C (72°F). It's also the driest month of the year, ideal for those who want to avoid rain.
Rainfall in Ayutthaya in December
With the least rainfall of the year, this month offers good conditions for outdoor exploration. Take advantage of the dry weather to plan your activities. Records from the past 30 years suggest around a single day of rain, with 9 mm (0.4 in) average for the month. Any rain that does arrive is likely to be fairly light and short-lived.
Temperature in Ayutthaya in December
Ayutthaya in December gets highs of 34°C (93°F) during the day and drops to 22°C (72°F) at night. For most visitors, the main thing to prepare for is the heat during the day. Nights are mild at around 22°C (72°F), which is comfortable for most people. This month features cooler temperatures, yet the warmth remains enjoyable.
Sunshine in Ayutthaya in December
The month enjoys around 262 hours of sunshine, creating mostly sunny days with good weather conditions.If you're interested in exploring other destinations, our weather planner can help you discover additional travel options worldwide.
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 Ayutthaya's climate page.
Ayutthaya Temperature in December
Min Temperature
22°C (72°F)
Max Temperature
34°C (93°F)
Chance of Rain
4%
Precipitation
9 mm (0.4 in)
Rainy days
a single day
Humidity
68% *
Sunshine
262 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ayutthaya typically stay consistent throughout December, with daily highs averaging around 34°C (93°F). Nights are warm, with lows typically ranging from 21°C (70°F) to 23°C (73°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 Ayutthaya in December
Browse day-by-day weather records for Ayutthaya spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ayutthaya historical weather extremes in December
The extremes listed below come from historical weather data collected in Ayutthaya from 1976 through 2025.
- The hottest December day on record in Ayutthaya reached 37°C (99°F) (December 5, 1996).
- Ayutthaya experienced its chilliest December day on December 27, 2017, reaching only 21°C (70°F).
- Ayutthaya registered its coldest December night on December 25, 1999, with temperatures dropping to 12°C (54°F).
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
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tolerable
unpleasant
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What to Wear in Ayutthaya in December
Hot weather in December 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. With minimal rainfall expected, you can leave the rain gear at home. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Ayutthaya 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 Ayutthaya's climate page.
Temperature Rainfall Sunshine Humidity
See the full Ayutthaya climate overview or explore weather in Thailand.
