Fresnillo climate
Fresnillo (Zacatecas, Mexico) has a cold semi-arid climate (Köppen BSk). The average temperature over the year is 16 °C61 °F, and about 499 mm20 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Fresnillo climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin | Frost days |
|---|---|---|---|---|---|
| Jan | 1865 | 236 | 1050 | 130.5 | 5 |
| Feb | 2169 | 439 | 1254 | 170.7 | 2 |
| Mar | 2475 | 542 | 1558 | 80.3 | 1 |
| Apr | 2781 | 847 | 1864 | 30.1 | 0 |
| May | 2985 | 1253 | 2069 | 150.6 | 0 |
| Jun | 2883 | 1457 | 2170 | 692.7 | 0 |
| Jul | 2679 | 1355 | 1967 | 1104.3 | 0 |
| Aug | 2679 | 1254 | 1967 | 983.9 | 0 |
| Sep | 2476 | 1253 | 1864 | 1064.2 | 0 |
| Oct | 2474 | 948 | 1661 | 351.4 | 0 |
| Nov | 2169 | 541 | 1355 | 140.5 | 1 |
| Dec | 1965 | 338 | 1152 | 100.4 | 3 |
| Year | 2985 | 236 | 1661 | 49920 | 13 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total. Frost days are for the whole grid cell.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 57% | 43% | 4.6 | 10:51 |
| Feb | 50% | 37% | 5.6 | 11:21 |
| Mar | 41% | 36% | 6.7 | 11:58 |
| Apr | 34% | 39% | 7.4 | 12:40 |
| May | 38% | 38% | 7.5 | 13:15 |
| Jun | 53% | 48% | 7.1 | 13:33 |
| Jul | 64% | 56% | 6.7 | 13:26 |
| Aug | 65% | 52% | 6.6 | 12:56 |
| Sep | 71% | 57% | 5.7 | 12:15 |
| Oct | 65% | 33% | 5.6 | 11:34 |
| Nov | 63% | 31% | 4.9 | 10:59 |
| Dec | 59% | 40% | 4.4 | 10:43 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Fresnillo is like
The warmest month is June, with an average high of 28 °C83 °F and a low of 14 °C57 °F. The coldest is January, when highs average 18 °C65 °F and lows 2 °C36 °F. There is a clear seasonal cycle, with 10.7 °C19.3 °F between the average temperature of the warmest and the coolest month.
Annual precipitation is moderate at about 499 mm20 in. The wettest three-month stretch is July–September, which brings 63% of the annual total. Months with less than 20 mm0.8 in on average: November–May. The wettest month is July (110 mm4.3 in), the driest is April (3 mm0.1 in).
Relative humidity ranges from 34% in April to 71% in September. The clearest skies (lowest average cloud amount, 31%) are typical of November. Average wind speed near the ground ranges from 8 km/h (5 mph) in October to 10 km/h (6 mph) in April. Daylight lasts from about 10.7 hours in December to 13.6 hours in June.
Best time to visit Fresnillo
Based on these averages, the most comfortable months for sightseeing and outdoor activities are February–June, August and October and November: average highs of 21 °C69 °F to 29 °C85 °F with 3 mm0.1 in to 98 mm3.9 in of precipitation per month.
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Fresnillo
- Wetter months (June–September) — highs 2476 to 28 °C83 °F, lows 1253 to 14 °C57 °F, about 96 mm3.8 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses, an extra layer for the cooler mornings and evenings and an umbrella or light rain jacket.
- Drier months (October–May) — highs 1865 to 29 °C85 °F, lows 236 to 12 °C53 °F, about 14 mm0.6 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket and an extra layer for the cooler mornings and evenings.
How Fresnillo compares
Compared with Guadalupe, about 60 km to the southeast, Fresnillo is on average 0.4 °C0.7 °F warmer and receives 5% more precipitation (499 mm20 in vs 474 mm19 in). The difference is largest in June (0.9 °C1.7 °F warmer).
Of the 96 places in Mexico covered by World Climates, Fresnillo is the 87th warmest by annual mean temperature and the 72nd wettest by annual precipitation. See all of them on the Mexico climate page.
Places in other countries with the most similar temperature and rainfall pattern: Jianshui (China, Cwb), Xiangcheng (China, Cwb) and Kunming (China, Cwb).
Nearby places
- Zacatecas 54 km · 14 °C58 °F · 439 mm17 in
- Guadalupe 60 km · 16 °C60 °F · 474 mm19 in
- Aguascalientes 156 km · 18 °C65 °F · 546 mm22 in
- Victoria de Durango 205 km · 18 °C64 °F · 550 mm22 in
- San Luis Potosí 225 km · 18 °C64 °F · 500 mm20 in
- León de los Aldama 259 km · 19 °C66 °F · 683 mm27 in
- Torreón 269 km · 22 °C71 °F · 274 mm11 in
- Gómez Palacio 274 km · 22 °C72 °F · 306 mm12 in
Frequently asked questions
What is the warmest month in Fresnillo?
June is the warmest month in Fresnillo, with an average high of 28 °C (83 °F) and an average low of 14 °C (57 °F).
What is the coldest month in Fresnillo?
January is the coldest month, with an average high of 18 °C (65 °F) and an average low of 2 °C (36 °F).
When does it rain the most in Fresnillo?
July is the wettest month with about 110 mm (4.3 in) of precipitation; April is the driest with about 3 mm (0.1 in).
What is the best time to visit Fresnillo?
Judging by long-term averages, the most comfortable months are February–June, August and October and November.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.
The grid cell’s average elevation is 2,270 m, while Fresnillo lies at about 2,192 m. Temperatures on this page were therefore adjusted by +0.5 °C0.9 °F using the standard lapse rate of 6.5 °C per 1,000 m.