San Luis · Cuyo · 33°18′ S
San Luis
Gateway to the San Luis hills
An orderly, quiet capital a few minutes from the hills and from mountain-ringed reservoirs. The best known is Potrero de los Funes, with a racing circuit around the lake.
What not to miss
- Potrero de los Funes lake and circuit
- Plaza Pringles and the cathedral
- The hills and La Florida reservoir
Getting there
Brigadier Mayor César Raúl Ojeda Airport, a few kilometers away. About 260 km from Mendoza by highway.
San Luis, month by month
Tap a month to see what’s on, the weather and how busy it is.
January
Summer holidays
- Hot days (32°), mild nights (18°); frequent rain.
- Busy. Book ahead.
- Pack: light clothes, an umbrella or rain jacket, sunscreen.
February
Summer
- Hot days (30°), mild nights (17°); frequent rain.
- Normal.
- Pack: light clothes, an umbrella or rain jacket, sunscreen.
March
Autumn
- Hot days (28°), mild nights (16°); frequent rain.
- Normal.
- Pack: light clothes, an umbrella or rain jacket, sunscreen.
April
Autumn
- Mild days (23°), cool nights (12°); little rain.
- Normal.
- Pack: a jacket for the evening, sunscreen.
May
Autumn
- Mild days (20°), cold nights (8°); almost no rain.
- Normal.
- Pack: a jacket for the evening, sunscreen.
June
Winter
- Cool days (17°), cold nights (5°); almost no rain.
- Normal.
- Pack: a jacket for the evening.
July
Winter holidays
- Cool days (17°), cold nights (4°); almost no rain.
- Busy. Book ahead.
- Pack: a jacket for the evening.
August
Winter
- Mild days (20°), cold nights (6°); almost no rain.
- Normal.
- Pack: a jacket for the evening, sunscreen.
September
High season
- Mild days (22°), cool nights (9°); little rain.
- Busy. Book ahead.
- Pack: a jacket for the evening, sunscreen.
October
Spring
- Mild days (26°), cool nights (13°); little rain.
- Normal.
- Pack: sunscreen.
November
High season
- Hot days (29°), mild nights (15°); frequent rain.
- Busy. Book ahead.
- Pack: light clothes, an umbrella or rain jacket, sunscreen.
December
Hot
- Hot days (31°), mild nights (17°); frequent rain.
- Pack: light clothes, an umbrella or rain jacket, sunscreen.
See the full data (travelers and weather)
Month by month
How many travelers stay in San Luis each month. Teal months are the quietest; earth-colored ones, the busiest.
Weather, month by month
Average temperatures and rainfall in San Luis. A guide for packing, not a forecast.
The warmest month is January, with highs of 31.6 °C. The coldest is July, with lows of 4 °C. The wettest month is January (115 mm). The driest is June.
See the numbers
| Month | High | Low | Rain |
|---|---|---|---|
| January | 31.6 °C | 18.3 °C | 115 mm |
| February | 30 °C | 17.2 °C | 113 mm |
| March | 27.6 °C | 15.5 °C | 92 mm |
| April | 23.3 °C | 11.8 °C | 45 mm |
| May | 19.6 °C | 8.3 °C | 19 mm |
| June | 17.1 °C | 5 °C | 5 mm |
| July | 16.7 °C | 4 °C | 5 mm |
| August | 19.5 °C | 6.2 °C | 9 mm |
| September | 22.4 °C | 9.1 °C | 22 mm |
| October | 25.6 °C | 12.5 °C | 50 mm |
| November | 28.5 °C | 15.1 °C | 87 mm |
| December | 30.8 °C | 17.3 °C | 105 mm |
Source: Argentina's National Weather Service (SMN), San Luis Aero station, 1991-2020 averages. smn.gob.ar