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Hat Yai weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Hat Yai?
For a warm holiday, the best week has been 30 January – 5 February (Weather Index 81). Favourable start dates for a 7-day trip run from 23 January to 13 February. April and May are warmest (34°C), February is driest and February, March and April have the most sun.
- Warmest
- April and May 34°C
- Coolest
- November and December 30°C
- Driest
- February 30% rain-day chance
- Wettest
- November 93% rain-day chance
- Sunniest
- February, March and April 11 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Hat Yai
Hat Yai historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 30.7 | 24.4 | 46.5 | 14.4 | 120.4 | 9.8 |
| February | 31.8 | 24.1 | 30.4 | 8.5 | 63.0 | 10.6 |
| March | 33.3 | 24.4 | 31.0 | 9.6 | 60.3 | 11.0 |
| April | 34.2 | 25.4 | 60.7 | 18.2 | 128.7 | 10.9 |
| May | 33.6 | 25.8 | 75.8 | 23.5 | 171.9 | 10.4 |
| June | 33.2 | 25.4 | 64.3 | 19.3 | 105.3 | 10.3 |
| July | 33.4 | 25.3 | 55.5 | 17.2 | 105.4 | 10.1 |
| August | 33.2 | 25.2 | 67.1 | 20.8 | 128.3 | 10.3 |
| September | 32.5 | 25.0 | 72.0 | 21.6 | 157.9 | 9.5 |
| October | 31.9 | 25.0 | 87.1 | 27.0 | 255.6 | 9.0 |
| November | 30.4 | 24.9 | 92.7 | 27.8 | 474.4 | 7.9 |
| December | 30.0 | 24.6 | 72.3 | 22.4 | 305.0 | 8.6 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.