Climate averages 1991–2020
Guanajuato weather
in July.
A warm, wet month: the 6th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Guanajuato: daytime highs average 24.4°C and nights cool to about 14.1°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 160 mm of rain on roughly 18 days, which makes July a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 17 min on an average July day.
The nearest other city in this atlas is Silao de la Victoria (19 km away). In July its highs average 25.7°C, 1.3°C warmer than Guanajuato, with 148 mm of rain.
Among the 153 cities listed in Mexico, Guanajuato ranks joint 112th of 153 for the warmest July highs and joint 110th of 153 for the driest July (rainfall, lowest first). The mean July high of those 153 cities is 28.0°C; Guanajuato is 3.6°C cooler than that mean.
From July to August, average highs rise by 0.2°C to 24.6°C, and monthly rainfall falls from 160 mm to 141 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Guanajuato climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.4°C8.0°C | 8.0°C | 13 | 2.4 | 11.011 h |
| February | 23.8°C9.3°C | 9.3°C | 13 | 2.0 | 11.411 h |
| March | 26.3°C11.1°C | 11.1°C | 13 | 2.1 | 12.012 h |
| April | 28.6°C13.5°C | 13.5°C | 14 | 2.9 | 12.613 h |
| May | 29.1°C14.9°C | 14.9°C | 48 | 8.5 | 13.113 h |
| June | 26.8°C14.9°C | 14.9°C | 133 | 14.2 | 13.413 h |
| July, selected | 24.4°C14.1°C | 14.1°C | 160 | 17.7 | 13.313 h |
| August | 24.6°C14.1°C | 14.1°C | 141 | 15.9 | 12.813 h |
| September | 23.4°C13.8°C | 13.8°C | 131 | 14.4 | 12.312 h |
| October | 23.5°C12.0°C | 12.0°C | 47 | 7.0 | 11.712 h |
| November | 22.9°C10.1°C | 10.1°C | 13 | 2.5 | 11.211 h |
| December | 21.9°C8.7°C | 8.7°C | 5.8 | 1.3 | 10.911 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Silao de la Victoria in JulyMexico · 19 kmHigh 25.7°C · Low 15.1°C · 148 mm rain
- Irapuato in JulyMexico · 40 kmHigh 25.9°C · Low 14.9°C · 149 mm rain
- León de los Aldama in JulyMexico · 45 kmHigh 25.1°C · Low 14.5°C · 135 mm rain
- Salamanca, Mexico in JulyMexico · 50 kmHigh 26.2°C · Low 15.2°C · 170 mm rain
- San Miguel de Allende in JulyMexico · 55 kmHigh 24.9°C · Low 14.7°C · 112 mm rain
- San Francisco del Rincón in JulyMexico · 62 kmHigh 25.3°C · Low 15.2°C · 135 mm rain
- Celaya in JulyMexico · 72 kmHigh 25.6°C · Low 14.7°C · 135 mm rain
- Lagos de Moreno in JulyMexico · 79 kmHigh 24.8°C · Low 14.4°C · 144 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Guanajuato) is explained once on the Guanajuato year overview and on the Sources, method and limits page.