Phra Nakhon Si Ayutthaya Climate by Month
Phra Nakhon Si Ayutthaya, Thailand
Hot all year, with a rainy season from June to October.
The climate in Phra Nakhon Si Ayutthaya is hot all year, with a rainy season from June to October. Expect highs of 97°F (36°C) in April and 89°F (32°C) in December, with the coldest nights (January) near 69°F (21°C). It gets 39 in (998 mm) of rain a year, 73% of it from June to October. December to February are almost completely dry.
- Warmest month
- 97°F(36°C)
- Average high, April
- Coldest nights
- 69°F(21°C)
- Average low, January
- Rain per year
- 39 in(998 mm)
- Wettest: September
- Humidity
- 70%
- Sunniest: April
Best and worst months in Phra Nakhon Si Ayutthaya
Best for weatherThe most comfortable weather comes in December and January, with highs around 90°F (32°C) and almost no rain.
Least pleasantSeptember is the least pleasant month: it's the wettest, with 9.2 in (234 mm) of rain.
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in December.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Phra Nakhon Si Ayutthaya weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuaryBest | 90°F(32°C) | 69°F(21°C) | 0.2 in(5 mm) | 67% | 4.9 |
| FebFebruary | 93°F(34°C) | 72°F(22°C) | 0.3 in(7 mm) | 67% | 5.3 |
| MarMarch | 95°F(35°C) | 75°F(24°C) | 1.1 in(29 mm) | 68% | 5.6 |
| AprApril | 97°F(36°C) | 78°F(25°C) | 2.6 in(67 mm) | 68% | 5.9 |
| MayMay | 95°F(35°C) | 78°F(26°C) | 5.2 in(133 mm) | 69% | 5.4 |
| JunJune | 94°F(34°C) | 78°F(25°C) | 3.9 in(98 mm) | 72% | 5.0 |
| JulJuly | 92°F(33°C) | 77°F(25°C) | 4.0 in(101 mm) | 72% | 4.5 |
| AugAugust | 92°F(33°C) | 77°F(25°C) | 5.4 in(136 mm) | 72% | 4.6 |
| SepSeptember | 91°F(33°C) | 76°F(25°C) | 9.2 in(234 mm) | 76% | 4.5 |
| OctOctober | 90°F(32°C) | 76°F(25°C) | 6.1 in(155 mm) | 78% | 4.9 |
| NovNovember | 90°F(32°C) | 74°F(23°C) | 1.1 in(29 mm) | 70% | 4.9 |
| DecDecemberBest | 89°F(32°C) | 70°F(21°C) | 0.2 in(4 mm) | 64% | 4.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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