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Bacalar weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Bacalar?
For a warm holiday, the best week has been 30 January – 5 February (Weather Index 93). Favourable start dates for a 7-day trip run from 22 January to 25 February. May is warmest (34°C), March is driest and April and May have the most sun.
- Warmest
- May 34°C
- Coolest
- January and December 29°C
- Driest
- March 17% rain-day chance
- Wettest
- September 83% rain-day chance
- Sunniest
- 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 Bacalar
Bacalar 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 | 28.7 | 20.2 | 33.5 | 10.4 | 41.8 | 9.4 |
| February | 30.0 | 21.1 | 27.9 | 7.8 | 24.3 | 10.4 |
| March | 31.6 | 22.3 | 16.8 | 5.2 | 19.5 | 11.4 |
| April | 32.9 | 23.8 | 20.3 | 6.1 | 30.1 | 11.7 |
| May | 33.6 | 25.2 | 37.4 | 11.6 | 69.6 | 11.6 |
| June | 32.3 | 25.3 | 70.0 | 21.0 | 213.9 | 10.0 |
| July | 32.7 | 25.1 | 65.8 | 20.4 | 96.7 | 11.4 |
| August | 32.8 | 24.9 | 72.9 | 22.6 | 141.6 | 11.0 |
| September | 32.6 | 24.6 | 83.3 | 25.0 | 160.4 | 10.6 |
| October | 31.5 | 23.6 | 66.5 | 20.6 | 147.6 | 9.7 |
| November | 29.8 | 21.8 | 44.0 | 13.2 | 73.5 | 9.7 |
| December | 28.9 | 20.7 | 38.7 | 12.0 | 51.6 | 9.6 |
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.