Climate Chart of Ayutthaya, Thailand
Monthly data: Temperature °C, Rain (mm), Sunshine (h) · 2013–2023
For Ayutthaya, Thailand, the climate data cover 2013–2023. Monthly mean temperatures remain warm across the year, with the supplied monthly means ranging from January at 26.1 °C to April at 30.3 °C. Rainfall and sunshine also vary by month: the recorded extremes identify different points in the year, offering useful context for planning while not predicting conditions on any particular day.
Climate overview
Temperature
The coolest monthly mean temperature occurs in January, at 26.1 °C; this describes the monthly average, not a typical daytime maximum or the temperature at every hour. The warmest monthly mean is in April, at 30.3 °C. Across the calendar-month means, the unweighted mean is 28.0 °C, which provides a broad summary rather than a day-weighted annual average. Visitors can use these figures to compare average monthly warmth, but they do not capture daily fluctuations.
Rain
Mean daily rainfall is lowest in December, at 0.39 mm/day, making that month a conditional option for visitors who prioritise lower average rainfall. The highest monthly mean daily rainfall is in September, at 10.99 mm/day; visitors then may wish to prepare for rain in their plans. These are daily averages, not monthly totals, and the lower figure does not guarantee dry days or indicate how often rain falls. The unweighted mean across calendar-month means is 4.13 mm/day.
Sunshine
Mean daily sunshine reaches its highest level in March, at 10.65 hours/day, and its lowest in August, at 7.80 hours/day. These monthly averages can help visitors considering outdoor sightseeing compare expected sunshine duration, but they do not indicate day length or guarantee the conditions on a particular day. The unweighted mean across calendar-month means is 9.38 hours/day.
Best Travel Time Guide for Ayutthaya, Thailand: Ideal Seasons and Weather Insights
For a visit prioritising lower average rainfall, December is the conditional option in the supplied figures, with mean daily rainfall of 0.39 mm/day. This average cannot promise dry days or show rain frequency, so it is sensible to keep plans flexible rather than treating it as a guarantee. Visitors planning outdoor time around sunshine can consider that the highest mean daily sunshine is in March, at 10.65 hours/day, while the lowest is in August, at 7.80 hours/day. Sunshine duration is not day length, and monthly averages cannot forecast a particular day's sky.
Those prioritising cooler monthly averages can look to January, when the monthly mean temperature is 26.1 °C; the warmest monthly mean is April at 30.3 °C. These figures describe monthly means rather than daytime highs, so they are a guide to average warmth, not a complete account of daily temperature variation. For rain preparation, note that mean daily rainfall is highest in September, at 10.99 mm/day. This is a daily mean rather than a monthly total; it does not specify how many days will be wet, so visitors should avoid treating it as a day-by-day forecast.
Climate Data Overview for Ayutthaya, Thailand
Explore the comprehensive climate data for Ayutthaya, Thailand. This detailed table provides valuable insights into temperature variations, precipitation levels, and seasonal changes, helping you understand the unique weather patterns of this region.
| Month | Average: Temperature °C | Rain (mm) / day | Snow (mm) / day | Sunshine (h) / day |
|---|---|---|---|---|
| Jan | 26.1 | 0.69 | 0.00 | 9.91 |
| Feb | 27.5 | 1.06 | 0.00 | 10.40 |
| Mar | 29.4 | 1.30 | 0.00 | 10.65 |
| Apr | 30.3 | 2.84 | 0.00 | 10.51 |
| May | 29.9 | 5.13 | 0.00 | 10.17 |
| Jun | 28.9 | 5.51 | 0.00 | 9.29 |
| Jul | 28.3 | 6.33 | 0.00 | 8.08 |
| Aug | 28.0 | 7.19 | 0.00 | 7.80 |
| Sep | 27.4 | 10.99 | 0.00 | 7.86 |
| Oct | 27.1 | 6.36 | 0.00 | 8.66 |
| Nov | 27.2 | 1.78 | 0.00 | 9.44 |
| Dec | 26.2 | 0.39 | 0.00 | 9.77 |
| Average | 28.0 | 4.13 | 0.00 | 9.38 |