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:
13°C
55.4°F
°C °F

Condition: Partly Cloudy

Pressure: 930 hPa

Feel like: 12 °C

Temperature: 13°C

Cloud: 65%

Humidity: 79%

Wind: N - 3 km/h

Visibility: 42.12 km

Weather forecast

Wed
05 Aug
13°C / 20°C
Drizzle
Thu
06 Aug
6°C / 16°C
Slight Thunderstorm
Fri
07 Aug
5°C / 15°C
Clear Sky
Sat
08 Aug
5°C / 10°C
Mainly Clear
Sun
09 Aug
4°C / 11°C
Mainly Clear
Hourly forecast today:
12:00 PM
9° / 13°
9° / 13°
Partly Cloudy
79% 9 km/h
13:00 PM
10° / 15°
10° / 15°
Overcast
69% 10 km/h
14:00 PM
11° / 17°
11° / 17°
Overcast
70% 18 km/h
15:00 PM
13° / 18°
13° / 18°
Overcast
73% 30 km/h
16:00 PM
12° / 18°
12° / 18°
Overcast
68% 39 km/h
17:00 PM
12° / 19°
12° / 19°
Overcast
65% 39 km/h
18:00 PM
12° / 20°
12° / 20°
Overcast
61% 35 km/h
19:00 PM
12° / 20°
12° / 20°
Partly Cloudy
58% 31 km/h
20:00 PM
12° / 20°
12° / 20°
Mainly Clear
59% 29 km/h
21:00 PM
12° / 19°
12° / 19°
Overcast
62% 21 km/h
22:00 PM
12° / 17°
12° / 17°
Overcast
72% 13 km/h

30 Day Averages and Extremes

  • Average high 17.4°C
  • Average low 7.8°C
  • Hottest day 26°C (31 July 2026)
  • Coldest day 2°C (10 August 2026)
  • Average humidity 61.1%
  • Days with precipitation 18 days
  • Highest precipitation 39 mm (21 July 2026)

Yesterday's Data

  • Max: 22°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 17ºC to 20ºC (62.6ºF to 68.0ºF), you might consider wearing:
- Sun hat or cap
- Light, breathable socks
- Cotton or linen fabrics
- T-shirt or short-sleeve blouse

Temperature

Early
9°C / 14°C
Morning
9°C / 13°C
Afternoon
13°C / 18°C
Evening
12°C / 19°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 448
  • CO 223
  • NH3 0
  • NO2 9
  • O3 44
  • PM10 4
  • PM25 3
  • SO2 1
  • CH4 1,349

Sunrise / Sunset

11:13
21:49