Pattaya is warmest in April, averaging 31° by day and 28° at night. The wettest month is October with 310 mm, and the year brings about 1523 mm in total.
Month by month
| Month | High | Low | Rain | Sea | Daylight | Good for |
|---|---|---|---|---|---|---|
| January | 29° | 25° | 9 mm | 28° | 11.3 h | Beach weather |
| February | 30° | 26° | 39 mm | 28° | 11.6 h | Beach weather |
| March | 30° | 27° | 40 mm | 29° | 11.9 h | Beach weather |
| April | 31° | 28° | 72 mm | 31° | 12.3 h | Beach weather |
| May | 31° | 29° | 149 mm | 31° | 12.6 h | Mild |
| June | 30° | 28° | 138 mm | 31° | 12.8 h | Mild |
| July | 30° | 28° | 202 mm | 30° | 12.7 h | Rainy season |
| August | 30° | 28° | 180 mm | 30° | 12.4 h | Mild |
| September | 29° | 27° | 288 mm | 30° | 12.1 h | Rainy season |
| October | 29° | 27° | 310 mm | 30° | 11.7 h | Rainy season |
| November | 29° | 27° | 84 mm | 29° | 11.4 h | Beach weather |
| December | 28° | 25° | 12 mm | 28° | 11.2 h | Beach weather |
High and low are average daily maximum and minimum, rain is typical monthly total, sea is the average surface temperature, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER and NOAA MUR — averages, not promises.
When to go
Beach weather: January, February, March, April, November and December — highs around 30°, nights no colder than 25°, and at most 84 mm of rain in a month. The sea sits at 28–31° then.
Wet season: July, September and October — up to 310 mm in a single month.