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Fresnillo Weather by Month
Average temperatures, rainfall and humidity for Fresnillo, Mexico, month by month, built from OpenWeather’s historical records. Use it to see what a typical Fresnillo month looks like before you travel — then check the live Fresnillo forecast for the days ahead.
Warmest month
May
28°C average high
Coolest month
January
4°C average low
Wettest month
September
35 mm of rain
Driest month
January
6 mm of rain
Average temperature and rainfall in Fresnillo 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 | 19°C | 4°C | -6°C / 26°C | 6 mm | 49% | 15 km/h |
| February | 22°C | 5°C | -5°C / 29°C | 6 mm | 41% | 15 km/h |
| March | 24°C | 6°C | -4°C / 32°C | 12 mm | 33% | 16 km/h |
| April | 27°C | 9°C | 0°C / 33°C | 6 mm | 30% | 17 km/h |
| May | 28°C | 12°C | 0°C / 34°C | 10 mm | 36% | 15 km/h |
| June | 27°C | 14°C | 6°C / 34°C | 30 mm | 53% | 15 km/h |
| July | 25°C | 13°C | 6°C / 35°C | 33 mm | 60% | 13 km/h |
| August | 25°C | 13°C | 5°C / 35°C | 24 mm | 61% | 13 km/h |
| September | 24°C | 12°C | 4°C / 31°C | 35 mm | 67% | 12 km/h |
| October | 23°C | 9°C | 0°C / 32°C | 15 mm | 60% | 12 km/h |
| November | 22°C | 6°C | -6°C / 30°C | 12 mm | 54% | 12 km/h |
| December | 20°C | 4°C | -12°C / 29°C | 6 mm | 51% | 14 km/h |
Best time to visit Fresnillo
The most comfortable time to visit Fresnillo is generally March and September to October, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rainfall is spread evenly across the months, totalling about 193 mm a year.
Travellers who prefer heat should aim for May, when highs average 28°C. September is the month to avoid if rain would spoil your plans — it averages 35 mm, roughly 6× the rainfall of the driest month (January).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Fresnillo forecast for what is happening now.