San Luis, Argentina Weather

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

Current conditions

Updated:
14°C
57.2°F
°C °F

Condition: Mainly Clear

Pressure: 934 hPa

Feel like: 14 °C

Temperature: 14°C

Cloud: 38%

Humidity: 92%

Wind: NNE - 4 km/h

Visibility: 24.14 km

Weather forecast

Tue
11 Nov
17°C / 26°C
Slight Rain Showers
Wed
12 Nov
14°C / 25°C
Partly Cloudy
Thu
13 Nov
14°C / 30°C
Mainly Clear
Fri
14 Nov
19°C / 31°C
Clear Sky
Sat
15 Nov
15°C / 24°C
Clear Sky
Hourly forecast today:
09:00 AM
12° / 14°
12° / 14°
Mainly Clear
92% 8 km/h
10:00 AM
13° / 15°
13° / 15°
Overcast
86% 7 km/h
11:00 AM
13° / 17°
13° / 17°
Overcast
77% 7 km/h
12:00 PM
13° / 19°
13° / 19°
Overcast
67% 10 km/h
13:00 PM
12° / 21°
12° / 21°
Mainly Clear
59% 20 km/h
14:00 PM
12° / 22°
12° / 22°
Mainly Clear
51% 34 km/h
15:00 PM
11° / 24°
11° / 24°
Mainly Clear
45% 44 km/h
16:00 PM
10° / 25°
10° / 25°
Mainly Clear
40% 46 km/h
17:00 PM
9° / 26°
9° / 26°
Mainly Clear
36% 44 km/h
18:00 PM
9° / 26°
9° / 26°
Mainly Clear
34% 41 km/h
19:00 PM
9° / 27°
9° / 27°
Partly Cloudy
33% 35 km/h

30 Day Averages and Extremes

  • Average high 25.03°C
  • Average low 13.67°C
  • Hottest day 33°C (23 October 2025)
  • Coldest day 4°C (27 October 2025)
  • Average humidity 50.6%
  • Days with precipitation 25 days
  • Highest precipitation 46 mm (07 November 2025)

Yesterday's Data

  • Max: 22°C
  • Min: 13°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 27ºC (80.6ºF), consider wearing:
- Breathable shorts or skirts
- Lightweight t-shirt or tank top
- Loose and airy fabrics like linen or cotton
- Wide-brimmed sun hat

Temperature

Early
11°C / 16°C
Morning
12°C / 14°C
Afternoon
11°C / 24°C
Evening
10°C / 26°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 445
  • CO 127
  • NH3 0
  • NO2 7
  • O3 36
  • PM10 6
  • PM25 6
  • SO2 0
  • CH4 1,323

Sunrise / Sunset

09:17
23:00