San Luis, Argentina Weather

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

Current conditions

Updated:
22°C
71.6°F
°C °F

Condition: Drizzle

Pressure: 927 hPa

Feel like: 22 °C

Temperature: 22°C

Cloud: 32%

Humidity: 57%

Wind: SW - 13 km/h

Visibility: 12.46 km

Weather forecast

Fri
23 Oct
13°C / 19°C
Drizzle
Sat
24 Oct
11°C / 16°C
Drizzle
Sun
25 Oct
8°C / 17°C
Slight Rain Showers
Mon
26 Oct
10°C / 20°C
Overcast
Tue
27 Oct
11°C / 20°C
Slight Rain Showers
Hourly forecast today:
19:00 PM
13° / 22°
13° / 22°
Drizzle
57% 31 km/h
20:00 PM
12° / 21°
12° / 21°
Overcast
55% 31 km/h
21:00 PM
12° / 21°
12° / 21°
Mainly Clear
57% 29 km/h
22:00 PM
12° / 20°
12° / 20°
Mainly Clear
60% 30 km/h
23:00 PM
13° / 17°
13° / 17°
Clear Sky
73% 28 km/h
00:00 AM
13° / 16°
13° / 16°
Clear Sky
81% 25 km/h
01:00 AM
13° / 16°
13° / 16°
Clear Sky
81% 24 km/h
02:00 AM
14° / 16°
14° / 16°
Partly Cloudy
85% 30 km/h
03:00 AM
14° / 16°
14° / 16°
Partly Cloudy
89% 29 km/h
04:00 AM
14° / 16°
14° / 16°
Partly Cloudy
90% 29 km/h
05:00 AM
14° / 16°
14° / 16°
Overcast
89% 29 km/h

30 Day Averages and Extremes

  • Average high 20.13°C
  • Average low 10.67°C
  • Hottest day 27°C (31 October 2026)
  • Coldest day 8°C (09 October 2026)
  • Average humidity 70.23%
  • Days with precipitation 30 days
  • Highest precipitation 64 mm (12 October 2026)

Yesterday's Data

  • Max: 24°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 warm weather in San Luis, with temperatures between 19ºC to 22ºC (66.2ºF to 71.6ºF), you might consider wearing:
- Cotton or linen fabrics
- Sunscreen (if spending time outdoors)
- T-shirt or short-sleeve blouse
- Sunglasses

Temperature

Early
12°C / 18°C
Morning
11°C / 14°C
Afternoon
13°C / 20°C
Evening
12°C / 21°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 437
  • CO 130
  • NH3 0
  • NO2 0
  • O3 79
  • PM10 2
  • PM25 1
  • SO2 0
  • CH4 1,334

Sunrise / Sunset

09:36
22:44