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: Mainly Clear

Pressure: 938 hPa

Feel like: 9 °C

Temperature: 12°C

Cloud: 35%

Humidity: 29%

Wind: SSW - 4 km/h

Visibility: 56.44 km

Weather forecast

Wed
12 Aug
6°C / 12°C
Slight Rain Showers
Thu
13 Aug
5°C / 14°C
Slight Rain Showers
Fri
14 Aug
6°C / 15°C
Overcast
Sat
15 Aug
7°C / 16°C
Overcast
Sun
16 Aug
10°C / 13°C
Overcast
Hourly forecast today:
16:00 PM
-4° / 12°
-4° / 12°
Mainly Clear
29% 21 km/h
17:00 PM
-4° / 14°
-4° / 14°
Partly Cloudy
27% 18 km/h
18:00 PM
-4° / 15°
-4° / 15°
Mainly Clear
26% 17 km/h
19:00 PM
-4° / 15°
-4° / 15°
Partly Cloudy
25% 15 km/h
20:00 PM
-3° / 15°
-3° / 15°
Partly Cloudy
26% 14 km/h
21:00 PM
-3° / 14°
-3° / 14°
Mainly Clear
28% 13 km/h
22:00 PM
-1° / 11°
-1° / 11°
Partly Cloudy
40% 11 km/h
23:00 PM
0° / 10°
0° / 10°
Overcast
44% 9 km/h
00:00 AM
0° / 10°
0° / 10°
Overcast
47% 13 km/h
01:00 AM
0° / 9°
0° / 9°
Overcast
51% 13 km/h
02:00 AM
0° / 9°
0° / 9°
Overcast
50% 10 km/h

30 Day Averages and Extremes

  • Average high 17.97°C
  • Average low 8.9°C
  • Hottest day 27°C (21 August 2026)
  • Coldest day 2°C (10 August 2026)
  • Average humidity 57.17%
  • Days with precipitation 18 days
  • Highest precipitation 35 mm (17 August 2026)

Yesterday's Data

  • Max: 13°C
  • Min: 2°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 mild weather in San Luis, with temperatures between 12ºC to 15ºC (53.6ºF to 59.0ºF), consider wearing:
- Lightweight sweater or cardigan
- Long-sleeve shirt or blouse
- Scarf (optional)
- Sun hat (if spending time outdoors)

Temperature

Early
-1°C / 4°C
Morning
-4°C / 4°C
Afternoon
-4°C / 11°C
Evening
-3°C / 14°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 439
  • CO 88
  • NH3 0
  • NO2 0
  • O3 64
  • PM10 3
  • PM25 2
  • SO2 1
  • CH4 1,305

Sunrise / Sunset

11:07
21:53