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San Juan del Río Weather by Month
Average temperatures, rainfall and humidity for San Juan del Río, Mexico, month by month, built from OpenWeather’s historical records. Use it to see what a typical San Juan del Río month looks like before you travel — then check the live San Juan del Río forecast for the days ahead.
Warmest month
May
29°C average high
Coolest month
January
5°C average low
Wettest month
September
55 mm of rain
Driest month
February
4 mm of rain
Average temperature and rainfall in San Juan del Río by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 22°C | 5°C | -5°C / 29°C | 14 mm | 58% | 10 km/h |
| February | 25°C | 6°C | -3°C / 31°C | 4 mm | 50% | 10 km/h |
| March | 27°C | 8°C | -5°C / 45°C | 26 mm | 47% | 12 km/h |
| April | 29°C | 11°C | 4°C / 34°C | 15 mm | 43% | 12 km/h |
| May | 29°C | 13°C | 1°C / 37°C | 32 mm | 50% | 12 km/h |
| June | 27°C | 13°C | 2°C / 35°C | 48 mm | 65% | 12 km/h |
| July | 26°C | 13°C | 5°C / 33°C | 53 mm | 71% | 10 km/h |
| August | 26°C | 13°C | 6°C / 32°C | 45 mm | 71% | 10 km/h |
| September | 25°C | 12°C | 3°C / 31°C | 55 mm | 75% | 10 km/h |
| October | 24°C | 10°C | 2°C / 31°C | 21 mm | 69% | 11 km/h |
| November | 23°C | 8°C | -2°C / 30°C | 22 mm | 65% | 10 km/h |
| December | 22°C | 6°C | -6°C / 28°C | 18 mm | 62% | 10 km/h |
Best time to visit San Juan del Río
The most comfortable time to visit San Juan del Río is generally February and October to November, balancing mild daytime temperatures against the driest stretch of the year. Temperatures stay fairly even all year and rain concentrates around September, totalling about 353 mm a year.
Travellers who prefer heat should aim for May, when highs average 29°C. September is the month to avoid if rain would spoil your plans — it averages 55 mm, roughly 14× the rainfall of the driest month (February).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the San Juan del Río forecast for what is happening now.