January · Thailand
Best time to visit Ayutthaya in January Weather, crowds & prices
Weather in Ayutthaya in January
Average temperature 26°C, 7 mm of rain, about 21 days with 6+ hours of sunshine and 67% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
January score
8.3/10
Ranked #2 of 12 months
- Avg temp
- 26°C
- Rainfall
- 7 mm
- Humidity
- 67%
- Days with 6h+ sun
- 21
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
January in Ayutthaya scores 8.3/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 26°C, 7 mm of rain, and roughly 21 days with 6+ hours of sunshine this month.
Ayutthaya's ruined temples and prangs recall the Siamese capital that once ruled a vast kingdom.
January holds up well in Ayutthaya — 2nd best month
At 26°C (78°F) this is comfortable city weather in January, with sightseeing easiest before lunch and after the afternoon peak.
At just 7 mm for the month, rain will not shape your plans; you get about 21 days with 6+ hours of sunshine and 11.2 hours of daylight.
That is 8.3/10 on the same scale — 2nd of 12 months, versus 8.5/10 for the best month here.
Pack light clothing, a hat and real sun protection.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Ayutthaya in January?
- In January, Ayutthaya averages 26°C, 7 mm of rain, and about 21 days with 6+ hours of sunshine. Its climate-comfort score is 8.3/10.
- Is January a good time to visit Ayutthaya?
- January earns a 8.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Ayutthaya in January?
- Expect about 7 mm of rain in January. Average humidity is 67% and there are about 21 days with 6+ hours of sunshine.
Curated in Ayutthaya
Tickets & experiences
Things to do in Ayutthaya
Ayutthaya, Thailand. Live activities and tours from GetYourGuide, matched to this destination.