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Guanajuato City in August sees high temperatures, with highs around 27°C (81°F) and overnight lows of 15°C (59°F). Rainfall is fairly high at around 146 mm (5.7 in) on average, so pack waterproofs just in case.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, October, November and December typically offer the best weather for Guanajuato City.
Pick a month to see the average temperature, rainfall and sunshine in Guanajuato City - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Guanajuato City typically stay consistent throughout August, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 15°C (59°F).
Browse day-by-day weather records for Guanajuato City spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 50 years of weather records for Guanajuato City, the following extremes were recorded between 1976 and 2026.
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in August →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Wind Speed
See the full Guanajuato City climate overview or explore weather in Mexico.
Where to go in August - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
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