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Sayulita weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Sayulita?
For a warm holiday, the best week has been 25 February – 3 March (Weather Index 99). Favourable start dates for a 7-day trip run from 27 December to 8 April. July and August are warmest (32°C), April is driest and March, April and May have the most sun.
- Warmest
- July and August 32°C
- Coolest
- January 27°C
- Driest
- April 0% rain-day chance
- Wettest
- September 85% rain-day chance
- Sunniest
- March, April and May 12 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 Sayulita
Sayulita 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 | 27.2 | 18.1 | 5.2 | 1.6 | 12.9 | 9.8 |
| February | 27.6 | 18.2 | 4.6 | 1.3 | 14.5 | 10.5 |
| March | 28.2 | 18.2 | 1.3 | 0.4 | 6.9 | 11.6 |
| April | 29.1 | 19.9 | 0.0 | 0.0 | 0.3 | 11.9 |
| May | 30.8 | 22.1 | 1.6 | 0.5 | 1.8 | 12.1 |
| June | 31.2 | 25.1 | 42.3 | 12.7 | 142.0 | 10.3 |
| July | 32.0 | 26.0 | 65.5 | 20.3 | 190.4 | 9.8 |
| August | 31.6 | 26.0 | 80.3 | 24.9 | 247.5 | 9.2 |
| September | 31.3 | 25.9 | 85.0 | 25.5 | 245.7 | 9.1 |
| October | 31.2 | 25.0 | 46.1 | 14.3 | 134.8 | 9.8 |
| November | 30.1 | 21.9 | 6.7 | 2.0 | 12.6 | 10.3 |
| December | 28.2 | 19.4 | 4.2 | 1.3 | 13.2 | 9.7 |
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.