Spring (March–May): Average 85–87°F, hot and dry, with more rainfall in April. Common activities: Visiting the historical sites of Ayutthaya, boat trips. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Summer (June–August): Average 84–85°F, hot and dry. Common activities: Visiting temples and museums, enjoying Thai massage. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Autumn (September–November): Average 82–82°F, hot, with more rainfall in November. Common activities: Visiting floating markets, trying local cuisine. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
Winter (December–February): Average 80–81°F, warm and dry. Common activities: Cycling through the old city, visiting night markets. Recommended clothing: Light and comfortable clothing, a light jacket for the mornings and evenings.
Phra Nakhon Si Ayutthaya climatological average
Annual average temperature: approx. 83.5°F / Annual rainfall: approx. 218 mm / Summer humidity: 60%–70% / Rainiest month: April
Phra Nakhon Si Ayutthaya monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
80.1°F
13.8
February
81.9°F
42.1
March
85.1°F
46
April
87.8°F
56.6
May
86°F
0
June
85.6°F
0
July
84°F
0
August
83.8°F
0
September
82.6°F
0
October
82.2°F
0
November
82.2°F
52.7
December
80.1°F
7.4
Phra Nakhon Si Ayutthaya weather for the next seven days
10/15
Wednesday
Moderate rain
88.3°F/73.8°F
10/16
Thursday
Patchy rain nearby
88.2°F/73.9°F
10/17
Friday
Moderate rain
88.2°F/75.3°F
10/18
Saturday
Patchy rain nearby
89°F/76.4°F
10/19
Sunday
Patchy rain nearby
88.4°F/74.7°F
10/20
Monday
Patchy rain nearby
87.7°F/74.3°F
10/21
Tuesday
Patchy rain nearby
87.3°F/75.3°F
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