San Luis Potosí weather in July
In July, San Luis Potosí has daytime highs averaging 25 °C, nights around 15 °C, with 10 wet days. Figures are 1991–2020 climate normals.
- 24.9°C Average high
- 15.0°C Average low
- 10days Wet days
- 83mm Rainfall
- 13h Daylight
Daily temperatures through July
How July develops
Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.
| Days | Avg high | Avg low | Chance of rain |
|---|---|---|---|
| 1–10 July | 24.3 °C | 15.1 °C | 46 % |
| 11–20 July | 25.1 °C | 14.9 °C | 25 % |
| 21–31 July | 25.4 °C | 15.0 °C | 25 % |
- Average highs rise from 24.3 °C early in July to 25.4 °C by the end of it.
- Rain is most likely over days 1–10 of July (46 % of days) and least likely over days 11–20 (25 %).
What to expect
| Measure | Typical July | Share of the month |
|---|---|---|
| Days above 25 °C | 15 of 31 | 49 % |
| Days above 30 °C | 0.4 of 31 | 1 % |
| Days below 0 °C | 0 of 31 | 0 % |
| Days with more than 1 mm rain | 10 of 31 | 32 % |
Conditions in July
| Measure | Average |
|---|---|
| Mean temperature | 19 °C |
| Record high (1991–2020) | 32 °C |
| Record low (1991–2020) | 10 °C |
| Relative humidity | 73 % |
| Wind speed | 21 km/h |
| Cloud cover | 65 % |
Where San Luis Potosí ranks in July
| Ranking | Position | Value |
|---|---|---|
| Places with the best weather in North America in July | 37thof 50 | 83/100 |
| The coolest places in North America in July | 50thof 50 | 25 °C |
July compared with the months around it
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| May | 28.6 °C | 47 mm | 47 % |
| June | 26.5 °C | 72 mm | 57 % |
| July | 24.9 °C | 83 mm | 65 % |
| August | 25.3 °C | 64 mm | 62 % |
| September | 23.4 °C | 85 mm | 71 % |
See all twelve months for San Luis Potosí
- July is the 6th warmest month here.
- It is the 11th driest month of the year.
- It ranks 11th for least cloud cover.
- Days last about 13 hours from sunrise to sunset.
- It rains on 10 of 31 days — 32 % of the month.
- Nights are about 10.0 °C cooler than the middle of the day.
- The hottest July day on record since 1991 reached 32 °C, 6.6 °C above the usual daytime high.
Nearby destinations in July
| Destination | Avg high | Wet days |
|---|---|---|
| San Luis Potosí | 25 °C | 10 |
| León de los Aldama | 25 °C | 18 |
| Aguascalientes | 26 °C | 14 |
| San Miguel de Allende | 25 °C | 15 |
| Irapuato | 26 °C | 18 |
| Guadalupe | 24 °C | 13 |
| Salamanca | 26 °C | 20 |
| Celaya | 26 °C | 17 |
| Santiago de Querétaro | 25 °C | 17 |
QuestionsJuly in San Luis Potosí, answered
How warm is San Luis Potosí in July?
Daily highs average 25 °C and nights fall to about 15 °C, a spread of 10.0 °C between afternoon and dawn. That makes July the 5th warmest month of the year here.
Does it rain much in San Luis Potosí in July?
July averages 83 mm of rain, spread over about 10 of the 31 days — 32 % of the month. Cloud cover averages 65 % of the sky.
How long are the days in July?
San Luis Potosí averages 13 hours between sunrise and sunset in July. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.