Climate normals · 1970–2000
San Luis Climate
San Luis is a city in Argentina (19) with a population of about 169,947. Its average annual temperature is 16.9°C (62°F), with roughly 455 mm of rain per year.
16.9°C
Avg Temp
455
Precip (mm/yr)
Jan
Hottest Month
Jul
Coldest Month
San Luis Climate
San Luis has an average annual temperature of 16.9°C (62°F) and receives about 455 mm of precipitation per year. The warmest month is January and the coldest is July. Figures are 1970–2000 climate normals.
16.9°C
Avg Temp
455
Precip (mm/yr)
Jan
Hottest Month
Jul
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 24° / 75° | 75 mm |
| February | 23° / 73° | 62 mm |
| March | 20° / 69° | 54 mm |
| April | 16° / 62° | 28 mm |
| May | 13° / 55° | 16 mm |
| June | 10° / 49° | 7 mm |
| July | 9° / 48° | 12 mm |
| August | 12° / 53° | 12 mm |
| September | 14° / 58° | 21 mm |
| October | 18° / 64° | 47 mm |
| November | 21° / 69° | 50 mm |
| December | 23° / 74° | 71 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit San Luis
The most comfortable months to visit San Luis are typically November, March and February, when temperatures are mildest and rainfall is relatively low. The hottest month is January (around 31°C high). The coldest is July (near 2°C low). January is usually the wettest month.
Where to stay near San Luis
Planning a trip to San Luis? Compare hotels and short-term rentals — live availability and prices.
Top-rated places to stay near San Luis
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to San Luis?
Get climate tips and the best lodging deals for San Luis by email. No spam, unsubscribe anytime.
Other cities in Argentina
Frequently Asked Questions
The most comfortable months to visit San Luis are typically November, March and February, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
San Luis, Argentina has an average annual temperature of 16.9°C and about 455 mm of precipitation per year. The warmest month is January and the coldest is July.
In January, the hottest month, daily highs in San Luis average about 31°C (87°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.