Pattaya weather in January
January in Pattaya: sweltering, dry, with poor air quality — one of the best months to visit.
#2 of 12 months in Pattaya · #36 of 604 destinations to visit in January · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Pattaya climate normals — January
| Daytime high | 31°C / 88°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Feels like (high) | 34°C / 93°F | |
| Rainfall | 14 mm / 0.6 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 67% | 💧 humid |
| Dew point | 19°C / 67°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 11.5 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 102 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Pattaya in January — FAQ
- Is January a good time to visit Pattaya?
- January in Pattaya: sweltering, dry, with poor air quality — one of the best months to visit. It ranks #2 of 12 months for Pattaya on SeasonMap's comfort score (89/100).
- What is the weather like in Pattaya in January?
- In January, Pattaya averages a daily high of 30.9°C and a low of 23°C, with about 14.1 mm of rain over roughly 4.4 rainy days.
- What is the air quality in Pattaya in January?
- Pattaya has a mean US Air Quality Index of about 102 in January.