San Luis, Argentina Weather

San Luis,  Weather
(Photo by Sasha • Stories on Unsplash)

Current conditions

Updated:
24°C
75.2°F
°C °F

Condition: Clear Sky

Pressure: 928 hPa

Feel like: 22 °C

Temperature: 24°C

Cloud: 2%

Humidity: 44%

Wind: NNW - 27 km/h

Visibility: 60.06 km

Weather forecast

Fri
06 Nov
12°C / 18°C
Slight Rain Showers
Sat
07 Nov
10°C / 20°C
Moderate Drizzle
Sun
08 Nov
10°C / 24°C
Clear Sky
Mon
09 Nov
14°C / 27°C
Drizzle
Tue
10 Nov
16°C / 27°C
Drizzle
Hourly forecast today:
16:00 PM
11° / 24°
11° / 24°
Clear Sky
44% 58 km/h
17:00 PM
11° / 24°
11° / 24°
Clear Sky
42% 55 km/h
18:00 PM
10° / 25°
10° / 25°
Clear Sky
40% 52 km/h
19:00 PM
10° / 25°
10° / 25°
Clear Sky
39% 50 km/h
20:00 PM
10° / 25°
10° / 25°
Clear Sky
39% 47 km/h
21:00 PM
10° / 24°
10° / 24°
Mainly Clear
41% 45 km/h
22:00 PM
10° / 22°
10° / 22°
Clear Sky
44% 40 km/h
23:00 PM
8° / 21°
8° / 21°
Partly Cloudy
45% 36 km/h
00:00 AM
8° / 20°
8° / 20°
Mainly Clear
46% 29 km/h
01:00 AM
8° / 19°
8° / 19°
Clear Sky
47% 30 km/h
02:00 AM
8° / 19°
8° / 19°
Mainly Clear
48% 29 km/h

30 Day Averages and Extremes

  • Average high 24.0°C
  • Average low 13.43°C
  • Hottest day 33°C (11 November 2026)
  • Coldest day 6°C (25 October 2026)
  • Average humidity 60.73%
  • Days with precipitation 25 days
  • Highest precipitation 68 mm (27 October 2026)

Yesterday's Data

  • Max: 21°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

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 very hot weather in San Luis, with the high temperatures above 25ºC (77.0ºF), consider wearing:
- Wide-brimmed sun hat
- Sunscreen for skin protection
- Open-toed sandals or light sneakers
- Loose and airy fabrics like linen or cotton

Temperature

Early
7°C / 14°C
Morning
8°C / 14°C
Afternoon
10°C / 23°C
Evening
10°C / 24°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 440
  • CO 114
  • NH3 0
  • NO2 0
  • O3 92
  • PM10 3
  • PM25 3
  • SO2 0
  • CH4 1,311

Sunrise / Sunset

09:22
22:56