Click on a day for an hourly weather forecast
The temperatures in San Luis in July are quite cold with temperatures between 6°C and 15°C, warm clothes are a must.
There is little to no rain in San Luis during July, so it’s a lot easier to explore the city. Just remember to dress in warm layers, as it can still get pretty chilly.
Our weather forecast can give you a great sense of what weather to expect in San Luis in July 2026.
If you’re planning to visit San Luis in the near future, we highly recommend that you review the 14 day weather forecast for San Luis before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 31° / 20° | 7 | 24 | 0 | 130 mm | Ok | San Luis in January |
| February | 30° / 19° | 7 | 22 | 0 | 126 mm | Ok | San Luis in February |
| March | 27° / 17° | 5 | 26 | 0 | 87 mm | Perfect | San Luis in March |
| April | 23° / 14° | 4 | 26 | 0 | 65 mm | Perfect | San Luis in April |
| May | 19° / 10° | 2 | 29 | 0 | 22 mm | Good | San Luis in May |
| June | 16° / 7° | 0 | 29 | 0 | 8 mm | Good | San Luis in June |
| July | 15° / 6° | 0 | 30 | 0 | 4 mm | Good | San Luis in July |
| August | 18° / 9° | 0 | 30 | 0 | 7 mm | Good | San Luis in August |
| September | 21° / 11° | 3 | 27 | 0 | 34 mm | Good | San Luis in September |
| October | 24° / 13° | 5 | 26 | 0 | 92 mm | Perfect | San Luis in October |
| November | 27° / 16° | 8 | 22 | 0 | 126 mm | Good | San Luis in November |
| December | 30° / 19° | 7 | 24 | 0 | 108 mm | Ok | San Luis in December |