Climate averages 1991–2020
Guanajuato weather
in August.
A warm, wet month: the 5th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Guanajuato: daytime highs average 24.6°C and nights cool to about 14.1°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 141 mm of rain on roughly 16 days, which makes August a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 51 min on an average August day.
The nearest other city in this atlas is Silao de la Victoria (19 km away). In August its highs average 25.9°C, 1.3°C warmer than Guanajuato, with 129 mm of rain.
Among the 153 cities listed in Mexico, Guanajuato ranks 113th of 153 for the warmest August highs and 85th of 153 for the driest August (rainfall, lowest first). The mean August high of those 153 cities is 27.9°C; Guanajuato is 3.3°C cooler than that mean.
From August to September, average highs fall by 1.2°C to 23.4°C, and monthly rainfall falls from 141 mm to 131 mm.
The annual picture
August 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 | 24.4°C14.1°C | 14.1°C | 160 | 17.7 | 13.313 h |
| August, selected | 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
August in nearby cities
- Silao de la Victoria in AugustMexico · 19 kmHigh 25.9°C · Low 15.1°C · 129 mm rain
- Irapuato in AugustMexico · 40 kmHigh 26.1°C · Low 14.9°C · 135 mm rain
- León de los Aldama in AugustMexico · 45 kmHigh 25.3°C · Low 14.4°C · 117 mm rain
- Salamanca, Mexico in AugustMexico · 50 kmHigh 26.3°C · Low 15.3°C · 146 mm rain
- San Miguel de Allende in AugustMexico · 55 kmHigh 25.1°C · Low 14.8°C · 101 mm rain
- San Francisco del Rincón in AugustMexico · 62 kmHigh 25.6°C · Low 15.2°C · 117 mm rain
- Celaya in AugustMexico · 72 kmHigh 25.8°C · Low 14.9°C · 122 mm rain
- Lagos de Moreno in AugustMexico · 79 kmHigh 25.0°C · Low 14.3°C · 126 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.