Climate averages 1991–2020
Guanajuato weather
in May.
A hot, moderately wet month: the warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Guanajuato: daytime highs average 29.1°C and nights cool to about 14.9°C. By daytime temperature it is the warmest month of the year.
Expect about 48 mm of rain on roughly 9 days, which makes May a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 07 min on an average May day.
The nearest other city in this atlas is Silao de la Victoria (19 km away). In May its highs average 30.7°C, 1.6°C warmer than Guanajuato, with 35 mm of rain.
Among the 153 cities listed in Mexico, Guanajuato ranks joint 95th of 153 for the warmest May highs and 85th of 153 for the driest May (rainfall, lowest first). The mean May high of those 153 cities is 29.6°C; Guanajuato is 0.5°C cooler than that mean.
From May to June, average highs fall by 2.3°C to 26.8°C, and monthly rainfall rises from 48 mm to 133 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Silao de la Victoria in MayMexico · 19 kmHigh 30.7°C · Low 16.3°C · 35 mm rain
- Irapuato in MayMexico · 40 kmHigh 31.1°C · Low 15.8°C · 36 mm rain
- León de los Aldama in MayMexico · 45 kmHigh 30.2°C · Low 15.8°C · 27 mm rain
- Salamanca, Mexico in MayMexico · 50 kmHigh 31.4°C · Low 16.1°C · 37 mm rain
- San Miguel de Allende in MayMexico · 55 kmHigh 29.1°C · Low 14.9°C · 44 mm rain
- San Francisco del Rincón in MayMexico · 62 kmHigh 30.5°C · Low 16.1°C · 27 mm rain
- Celaya in MayMexico · 72 kmHigh 30.3°C · Low 15.0°C · 45 mm rain
- Lagos de Moreno in MayMexico · 79 kmHigh 29.6°C · Low 15.2°C · 31 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.