San Luis, Argentina Weather

  1. San Luis, Argentina Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in San Luis over the next 12 hours
  7. Temperature and possibility of rain in San Luis in the coming days
  8. Rainfall in San Luis in the coming days
  9. San Luis Weather Summary
  10. Weather averages by month
  11. San Luis's weather
  12. Frequently asked questions
  13. Comments
San Luis, Weather
(Photo by Sasha • Stories on Unsplash)

Current conditions

Updated:
12°C
53.6°F
°C °F

Condition: Clear Sky

Pressure: 929 hPa

Feel like: 7 °C

Temperature: 12°C

Cloud: 0%

Humidity: 43%

Wind: E - 25 km/h

Visibility: 57.94 km

Weather forecast

Sun
02 Aug
10°C / 22°C
Overcast
Mon
03 Aug
10°C / 15°C
Drizzle
Tue
04 Aug
9°C / 16°C
Overcast
Wed
05 Aug
10°C / 24°C
Slight Rain Showers
Thu
06 Aug
6°C / 14°C
Slight Rain Showers
Hourly forecast today:
10:00 AM
0° / 12°
0° / 12°
Clear Sky
43% 50 km/h
11:00 AM
0° / 13°
0° / 13°
Clear Sky
39% 47 km/h
12:00 PM
-1° / 14°
-1° / 14°
Clear Sky
33% 48 km/h
13:00 PM
-2° / 16°
-2° / 16°
Clear Sky
27% 48 km/h
14:00 PM
-2° / 18°
-2° / 18°
Clear Sky
24% 34 km/h
15:00 PM
-2° / 19°
-2° / 19°
Clear Sky
22% 32 km/h
16:00 PM
-2° / 20°
-2° / 20°
Clear Sky
20% 32 km/h
17:00 PM
-2° / 21°
-2° / 21°
Clear Sky
20% 25 km/h
18:00 PM
-1° / 22°
-1° / 22°
Mainly Clear
20% 22 km/h
19:00 PM
-2° / 22°
-2° / 22°
Clear Sky
19% 37 km/h
20:00 PM
-2° / 21°
-2° / 21°
Partly Cloudy
19% 47 km/h

30 Day Averages and Extremes

  • Average high 18.37°C
  • Average low 8.53°C
  • Hottest day 26°C (12 August 2026)
  • Coldest day 4°C (22 July 2026)
  • Average humidity 62.97%
  • Days with precipitation 19 days
  • Highest precipitation 39 mm (21 July 2026)

Yesterday's Data

  • Max: 25°C
  • Min: 10°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in San Luis over the next 12 hours

Temperature and possibility of rain in San Luis in the coming days

Rainfall in San Luis in the coming days

San Luis Climate Summary

San Luis features a Mid-latitude steppe (Köppen classification: BSk), with an average annual temperature of 19.11ºC (66.4ºF), which is about 0.87% higher than the national average for Argentina. Annually, the city experiences approximately 31.03 millimeters (1.22 inches) of rainfall, spread across 71.36 rainy days, accounting for 19.55% of the year.

Longitude -33.3017267
Latitude -66.3377522
Yearly high temperature 23.24ºC (73.83ºF)
Yearly low temperature 13.33ºC (55.99ºF)
Hottest month December 29.94ºC (85.89ºF)
Coldest month July 5.97ºC (42.75ºF)
Yearly precip 31.03mm (1.22in)
Days with rainfall 71.36 days (19.55%)
Driest month August (43.98%)
Wettest month February (50.17%)

Weather averages by month

Month High / Low (°C) Rain
January 31.24° / 20.25° 10.09 days
February 29.38° / 19.18° 10.64 days
March 26.85° / 16.4° 8.18 days
April 22.56° / 13.44° 5.64 days
May 18.67° / 10.19° 2.55 days
June 15.76° / 7.17° 0.82 days
July 14.82° / 5.97° 0.45 days
August 18.21° / 8.31° 0.45 days
September 21.02° / 10.74° 3.64 days
October 23.44° / 13.27° 8.36 days
November 26.98° / 16.34° 10.09 days
December 29.94° / 18.72° 10.45 days

San Luis's weather

Frequently asked questions

1. What is the hottest month in San Luis?

December has the highest average monthly temperature (daily mean of 29.94ºC) and July are the coolest (daily mean of 5.97ºC).

2. What should I wear in San Luis today?

For today's warm weather in San Luis, with temperatures between 19ºC to 22ºC (66.2ºF to 71.6ºF), you might consider wearing:
- Comfortable sandals or sneakers
- Cotton or linen fabrics
- Sun hat or cap
- Sunscreen (if spending time outdoors)

Temperature

Early
9°C / 14°C
Morning
1°C / 12°C
Afternoon
-2°C / 19°C
Evening
0°C / 20°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 440
  • CO 88
  • NH3 0
  • NO2 3
  • O3 44
  • PM10 1
  • PM25 1
  • SO2 1
  • CH4 1,319

Sunrise / Sunset

11:16
21:47