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:
22°C
71.6°F
°C °F

Condition: Clear Sky

Pressure: 927 hPa

Feel like: 21 °C

Temperature: 22°C

Cloud: 6%

Humidity: 48%

Wind: S - 11 km/h

Visibility: 57.76 km

Weather forecast

Fri
23 Oct
12°C / 18°C
Drizzle
Sat
24 Oct
9°C / 15°C
Moderate Drizzle
Sun
25 Oct
6°C / 18°C
Overcast
Mon
26 Oct
9°C / 22°C
Overcast
Tue
27 Oct
13°C / 17°C
Drizzle Dense Intensity
Hourly forecast today:
21:00 PM
11° / 22°
11° / 22°
Clear Sky
48% 27 km/h
22:00 PM
12° / 20°
12° / 20°
Clear Sky
57% 39 km/h
23:00 PM
12° / 19°
12° / 19°
Mainly Clear
65% 39 km/h
00:00 AM
12° / 18°
12° / 18°
Clear Sky
68% 42 km/h
01:00 AM
12° / 16°
12° / 16°
Mainly Clear
76% 50 km/h
02:00 AM
12° / 15°
12° / 15°
Partly Cloudy
82% 50 km/h
03:00 AM
12° / 15°
12° / 15°
Partly Cloudy
82% 51 km/h
04:00 AM
12° / 15°
12° / 15°
Mainly Clear
84% 49 km/h
05:00 AM
12° / 14°
12° / 14°
Mainly Clear
85% 44 km/h
06:00 AM
12° / 14°
12° / 14°
Overcast
86% 42 km/h
07:00 AM
12° / 13°
12° / 13°
Overcast
88% 43 km/h

30 Day Averages and Extremes

  • Average high 19.83°C
  • Average low 10.37°C
  • Hottest day 28°C (01 November 2026)
  • Coldest day 6°C (25 October 2026)
  • Average humidity 68.77%
  • Days with precipitation 30 days
  • Highest precipitation 73 mm (24 October 2026)

Yesterday's Data

  • Max: 26°C
  • Min: 12°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 20ºC to 23ºC (68.0ºF to 73.4ºF), you might consider wearing:
- Comfortable sandals or sneakers
- T-shirt or short-sleeve blouse
- Sunscreen (if spending time outdoors)
- Sun hat or cap

Temperature

Early
10°C / 19°C
Morning
10°C / 16°C
Afternoon
12°C / 22°C
Evening
11°C / 22°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 437
  • CO 130
  • NH3 0
  • NO2 0
  • O3 85
  • PM10 1
  • PM25 1
  • SO2 0
  • CH4 1,330

Sunrise / Sunset

09:36
22:44