Climate averages 1991–2020
San Juan del Río weather
in May.
A hot, fairly dry month: the 2nd warmest and the 7th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in San Juan del Río: daytime highs average 28.3°C and nights cool to about 14.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 38 mm of rain on roughly 8 days, which makes May a fairly dry month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 05 min on an average May day.
The nearest other city in this atlas is Santiago de Querétaro (46 km away). In May its highs average 29.7°C, 1.4°C warmer than San Juan del Río, with 45 mm of rain.
Among the 153 cities listed in Mexico, San Juan del Río ranks joint 101st of 153 for the warmest May highs and 67th of 153 for the driest May (rainfall, lowest first). The mean May high of those 153 cities is 29.6°C; San Juan del Río is 1.3°C cooler than that mean.
From May to June, average highs fall by 2.6°C to 25.8°C, and monthly rainfall rises from 38 mm to 90 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
San Juan del Río climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 21.7°C7.5°C | 7.5°C | 13 | 2.7 | 11.011 h |
| February | 24.0°C8.8°C | 8.8°C | 14 | 2.5 | 11.511 h |
| March | 26.5°C10.4°C | 10.4°C | 13 | 3.0 | 12.012 h |
| April | 28.4°C12.7°C | 12.7°C | 21 | 4.4 | 12.613 h |
| May, selected | 28.3°C14.1°C | 14.1°C | 38 | 8.0 | 13.113 h |
| June | 25.8°C14.5°C | 14.5°C | 90 | 12.4 | 13.313 h |
| July | 24.0°C14.0°C | 14.0°C | 93 | 13.6 | 13.213 h |
| August | 24.3°C14.2°C | 14.2°C | 82 | 12.0 | 12.813 h |
| September | 22.8°C13.9°C | 13.9°C | 98 | 13.3 | 12.312 h |
| October | 22.5°C11.9°C | 11.9°C | 43 | 7.0 | 11.712 h |
| November | 22.2°C9.8°C | 9.8°C | 16 | 3.1 | 11.211 h |
| December | 22.2°C8.4°C | 8.4°C | 4.9 | 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
- Santiago de Querétaro in MayMexico · 46 kmHigh 29.7°C · Low 14.8°C · 45 mm rain
- El Pueblito in MayMexico · 49 kmHigh 29.2°C · Low 14.3°C · 45 mm rain
- Celaya in MayMexico · 86 kmHigh 30.3°C · Low 15.0°C · 45 mm rain
- Tepeji del Río de Ocampo in MayMexico · 87 kmHigh 26.4°C · Low 12.4°C · 41 mm rain
- San Miguel de Allende in MayMexico · 97 kmHigh 29.1°C · Low 14.9°C · 44 mm rain
- Heróica Zitácuaro in MayMexico · 112 kmHigh 26.7°C · Low 12.7°C · 117 mm rain
- Zumpango in MayMexico · 114 kmHigh 25.5°C · Low 11.9°C · 25 mm rain
- Cuautitlán Izcalli in MayMexico · 116 kmHigh 24.5°C · Low 10.7°C · 54 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 San Juan del Río) is explained once on the San Juan del Río year overview and on the Sources, method and limits page.