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Reynosa weather by month
Historical averages 2016–2025 · not a forecast
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When is the best time to visit Reynosa?
For a warm holiday, the best week has been 11–17 April (Weather Index 89). Several start dates remain plausible, and the best timing varies between years. August is warmest (37°C), December is driest and May to August have the most sun.
- Warmest
- August 37°C
- Coolest
- January 23°C
- Driest
- December 12% rain-day chance
- Wettest
- September 38% rain-day chance
- Sunniest
- May to August 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 Reynosa
Reynosa 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 | 22.6 | 11.4 | 16.5 | 5.1 | 22.2 | 7.8 |
| February | 25.3 | 13.6 | 12.9 | 3.6 | 18.1 | 8.5 |
| March | 28.8 | 17.8 | 13.2 | 4.1 | 34.7 | 9.3 |
| April | 31.1 | 20.5 | 16.0 | 4.8 | 34.2 | 10.5 |
| May | 33.8 | 23.9 | 23.5 | 7.3 | 57.3 | 11.7 |
| June | 35.5 | 25.4 | 24.3 | 7.3 | 65.3 | 12.4 |
| July | 36.3 | 25.7 | 18.7 | 5.8 | 73.6 | 12.3 |
| August | 37.3 | 26.0 | 19.7 | 6.1 | 29.3 | 12.4 |
| September | 34.5 | 24.5 | 37.7 | 11.3 | 77.8 | 10.7 |
| October | 31.5 | 20.4 | 19.4 | 6.0 | 35.4 | 9.9 |
| November | 26.8 | 16.3 | 21.0 | 6.3 | 42.3 | 8.4 |
| December | 24.3 | 13.5 | 12.3 | 3.8 | 21.2 | 8.0 |
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.