Log visit
Thailand
Railay Beach weather by month
Historical averages 2016–2025 · not a forecast
Loading your weather period…
When is the best time to visit Railay Beach?
For a warm holiday, the best week has been 27 December – 2 January (Weather Index 83). Favourable start dates for a 7-day trip run from 23 December to 1 January. February, March and April are warmest (33°C), February is driest and February, March and April have the most sun.
- Warmest
- February, March and April 33°C
- Coolest
- September 30°C
- Driest
- February 24% rain-day chance
- Wettest
- May and October 90% 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 Railay Beach
Railay Beach 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 | 31.5 | 24.6 | 30.0 | 9.3 | 87.9 | 10.0 |
| February | 32.6 | 24.6 | 23.6 | 6.6 | 34.4 | 10.8 |
| March | 33.2 | 25.0 | 35.8 | 11.1 | 64.6 | 10.9 |
| April | 33.0 | 25.8 | 73.3 | 22.0 | 182.4 | 10.6 |
| May | 32.0 | 26.2 | 90.3 | 28.0 | 311.5 | 9.4 |
| June | 31.2 | 26.0 | 76.7 | 23.0 | 247.8 | 9.3 |
| July | 30.9 | 25.9 | 75.5 | 23.4 | 268.4 | 9.1 |
| August | 30.6 | 25.7 | 80.0 | 24.8 | 272.4 | 9.3 |
| September | 30.5 | 25.5 | 86.3 | 25.9 | 328.6 | 8.2 |
| October | 30.8 | 25.4 | 90.0 | 27.9 | 366.2 | 8.1 |
| November | 30.6 | 25.1 | 82.0 | 24.6 | 318.4 | 7.9 |
| December | 30.7 | 24.6 | 47.7 | 14.8 | 139.8 | 9.2 |
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.