Hyperlocal rainfall totals + real-time NOAA forecasts
Accurate weather without the clutter
Fresnillo, Zacatecas Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Fresnillo, Zacatecas?
Fresnillo, Zacatecas gets 229 mm of precipitation a year over about 40 rainy days. May is the warmest month (average high 24°C) and January the coldest (average low 5°C).
Cold desert climate
Fresnillo, Zacatecas has warm summers and mild winters. Daytime highs range from about 16°C in January to 24°C in May. July is usually the wettest month. The most comfortable time to visit is typically February to June and August to November, when daytime highs sit near 20°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 6° | 17° |
| Spring | Mar–May | 10° | 22° |
| Summer | Jun–Aug | 12° | 22° |
| Autumn | Sep–Nov | 9° | 19° |
How much rain does Fresnillo get?
Fresnillo gets 229 mm of precipitation in an average year, spread over about 40 days with measurable rain. That is fewer rainy days than 77% of Mexico.
July is the wettest month, with 58 mm. February is the driest, with 2 mm. July has the most rainy days, about 8.
The longest dry spell in the last five years lasted 36 days, to June 7, 2024.
From October 2025 to September 2026 Fresnillo got 589 mm of rain, against a normal of 229 mm for those months. June 2026 had the most, with 174 mm.
Fresnillo weather by month
Fresnillo weather in January
In January, Fresnillo averages a high of 16°C and a low of 5°C. It gets 7 mm of precipitation over about 2 rainy days. Estimated sunshine is 57% of daylight hours, derived from ERA5 cloud cover. The January record high is 28°C (2009) and the record low is -6°C (2006).
Fresnillo weather in February
In February, Fresnillo averages a high of 18°C and a low of 7°C. It gets 2 mm of precipitation over about 1 rainy days. Estimated sunshine is 68% of daylight hours, derived from ERA5 cloud cover. The February record high is 28°C (2016) and the record low is -5°C (2009). February is one of the most comfortable months to visit.
Fresnillo weather in March
In March, Fresnillo averages a high of 20°C and a low of 8°C. It gets 2 mm of precipitation over about 1 rainy days. Estimated sunshine is 66% of daylight hours, derived from ERA5 cloud cover. The March record high is 30°C (2018) and the record low is -3°C (2016). March is one of the most comfortable months to visit.
Fresnillo weather in April
In April, Fresnillo averages a high of 22°C and a low of 11°C. It gets 3 mm of precipitation over about 1 rainy days. Estimated sunshine is 63% of daylight hours, derived from ERA5 cloud cover. The April record high is 38°C (2026) and the record low is 0°C (1995). April is one of the most comfortable months to visit.
Fresnillo weather in May
In May, Fresnillo averages a high of 24°C and a low of 12°C. It gets 7 mm of precipitation over about 2 rainy days. Estimated sunshine is 69% of daylight hours, derived from ERA5 cloud cover. The May record high is 40°C (2026) and the record low is 3°C (2010). May is one of the most comfortable months to visit.
Fresnillo weather in June
In June, Fresnillo averages a high of 23°C and a low of 12°C. It gets 31 mm of precipitation over about 6 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The June record high is 42°C (2026) and the record low is 7°C (1984). June is one of the most comfortable months to visit.
Fresnillo weather in July
In July, Fresnillo averages a high of 21°C and a low of 11°C. It gets 58 mm of precipitation over about 8 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The July record high is 38°C (2026) and the record low is 5°C (1981).
Fresnillo weather in August
In August, Fresnillo averages a high of 21°C and a low of 11°C. It gets 46 mm of precipitation over about 7 rainy days. Estimated sunshine is 45% of daylight hours, derived from ERA5 cloud cover. The August record high is 35°C (2026) and the record low is 5°C (1981). August is one of the most comfortable months to visit.
Fresnillo weather in September
In September, Fresnillo averages a high of 19°C and a low of 11°C. It gets 50 mm of precipitation over about 7 rainy days. Estimated sunshine is 44% of daylight hours, derived from ERA5 cloud cover. The September record high is 33°C (2026) and the record low is 3°C (1989). September is one of the most comfortable months to visit.
Fresnillo weather in October
In October, Fresnillo averages a high of 19°C and a low of 10°C. It gets 13 mm of precipitation over about 3 rainy days. Estimated sunshine is 57% of daylight hours, derived from ERA5 cloud cover. The October record high is 29°C (1994) and the record low is 0°C (1996). October is one of the most comfortable months to visit.
Fresnillo weather in November
In November, Fresnillo averages a high of 18°C and a low of 8°C. It gets 5 mm of precipitation over about 1 rainy days. Estimated sunshine is 73% of daylight hours, derived from ERA5 cloud cover. The November record high is 29°C (1983) and the record low is -5°C (2018). November is one of the most comfortable months to visit.
Fresnillo weather in December
In December, Fresnillo averages a high of 16°C and a low of 7°C. It gets 4 mm of precipitation over about 1 rainy days. Estimated sunshine is 64% of daylight hours, derived from ERA5 cloud cover. The December record high is 22°C (2024) and the record low is -6°C (2017).
Sunshine, humidity and wind in Fresnillo
November is the sunniest month in Fresnillo, with estimated sunshine of 73% of daylight hours from ERA5 cloud cover. July is the cloudiest, at 38%. The annual cloud-cover estimate is 59% of daylight hours; it is not a measurement of sunshine duration. Fresnillo is sunnier than 76% of Mexico.
Humidity peaks in September at 60% and is lowest in March at 24%.
First and last freeze in Fresnillo
The first fall freeze in Fresnillo typically comes around December 3, and the last spring freeze around February 18. That leaves a frost-free growing season of about 288 days.
Fresnillo weather records
These records cover ZACATECAS ZAC. (LA BUFA ZAC during 1975–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Fresnillo station is 42°C, on June 18, 2026. The coldest is -6°C, on January 17, 2006.
The wettest day in the available station history brought 133 mm of precipitation, on July 12, 2026.
30 all-time records have been set at the station since 1975.
The best time to visit Fresnillo
The most comfortable time to visit is typically February to June and August to November, when daytime highs sit near 20°C.
Winter (December–February) is mild, with average highs around 17°C and lows near 6°C.
Spring (March–May) is warm, with average highs around 22°C and lows near 10°C.
Summer (June–August) is warm, with average highs around 22°C and lows near 11°C.
Autumn (September–November) is mild, with average highs around 19°C and lows near 10°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 5° | 16° | 7.1 mm | 2 | 39% | 57% | 28° | -6° |
| February | 7° | 18° | 2.3 mm | 1 | 34% | 68% | 28° | -5° |
| March | 8° | 20° | 2.3 mm | 1 | 24% | 66% | 30° | -3° |
| April | 11° | 22° | 2.8 mm | 1 | 24% | 63% | 38° | 0° |
| May | 12° | 24° | 7.4 mm | 2 | 26% | 69% | 40° | 3° |
| June | 12° | 23° | 31 mm | 6 | 40% | 58% | 42° | 7° |
| July | 11° | 21° | 58 mm | 8 | 57% | 38% | 38° | 5° |
| August | 11° | 21° | 46 mm | 7 | 56% | 45% | 35° | 5° |
| September | 11° | 19° | 50 mm | 7 | 60% | 44% | 33° | 3° |
| October | 10° | 19° | 13 mm | 3 | 50% | 57% | 29° | 0° |
| November | 8° | 18° | 5.3 mm | 1 | 44% | 73% | 29° | -5° |
| December | 7° | 16° | 4.3 mm | 1 | 43% | 64% | 22° | -6° |
Station: ZACATECAS ZAC. (LA BUFA ZAC, 53 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1975–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Fresnillo climate questions
How much rain does Fresnillo get?
Fresnillo gets 229 mm of precipitation in an average year, over about 40 rainy days.
What is the wettest month in Fresnillo?
July is the wettest month in Fresnillo, with 58 mm. February is the driest, with 2 mm.
How many rainy days does Fresnillo have a year?
Fresnillo has about 40 days with measurable rain in an average year. July has the most, about 8.
What is the hottest month in Fresnillo?
May is the warmest month in Fresnillo, with an average high of 24°C.
What is the coldest month in Fresnillo?
January is the coldest month in Fresnillo, with an average low of 5°C.
What is the record high temperature in Fresnillo?
Within the available 1975–2026 station history, the record high at the Fresnillo station is 42°C, set on June 18, 2026. The record low is -6°C, on January 17, 2006.
What is the sunniest month in Fresnillo?
November is the sunniest month in Fresnillo, with estimated sunshine of 73% of daylight hours from ERA5 cloud cover. July is the cloudiest.
When is the first frost in Fresnillo?
The first fall freeze in Fresnillo typically comes around December 3. The last spring freeze is around February 18.
What is the best time to visit Fresnillo?
The most comfortable time to visit is typically February to June and August to November, when daytime highs sit near 20°C.
Climate for places near Fresnillo, Zacatecas
All Mexico citiesZacatecasGuadalupeAguascalientesVictoria de DurangoSan Luis PotosíSoledad de Graciano SánchezTorreónGómez PalacioZapopanTepicGuadalajaraTlaquepaqueTonaláSaltilloIrapuatoSan Miguel de AllendeSalamancaZamora de HidalgoMazatlánSanta CatarinaSan Pedro Garza GarcíaMonterreyGuadalupeCiudad Victoria