San Luis, Argentina Weather

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

Current conditions

Updated:
7°C
44.6°F
°C °F

Condition: Overcast

Pressure: 927 hPa

Feel like: 3 °C

Temperature: 7°C

Cloud: 85%

Humidity: 64%

Wind: ESE - 9 km/h

Visibility: 58.1 km

Weather forecast

Sun
21 Jun
5°C / 14°C
Moderate Drizzle
Mon
22 Jun
3°C / 9°C
Mainly Clear
Tue
23 Jun
3°C / 10°C
Partly Cloudy
Wed
24 Jun
1°C / 11°C
Mainly Clear
Thu
25 Jun
6°C / 18°C
Partly Cloudy
Hourly forecast today:
06:00 AM
0° /
0° /
Overcast
64% 16 km/h
07:00 AM
0° /
0° /
Overcast
61% 20 km/h
08:00 AM
0° /
0° /
Partly Cloudy
58% 19 km/h
09:00 AM
-1° /
-1° /
Mainly Clear
56% 11 km/h
10:00 AM
-1° /
-1° /
Mainly Clear
59% 11 km/h
11:00 AM
-1° /
-1° /
Clear Sky
57% 9 km/h
12:00 PM
0° / 10°
0° / 10°
Mainly Clear
49% 38 km/h
13:00 PM
0° / 13°
0° / 13°
Mainly Clear
38% 48 km/h
14:00 PM
2° / 13°
2° / 13°
Partly Cloudy
45% 43 km/h
15:00 PM
3° / 11°
3° / 11°
Clear Sky
55% 44 km/h
16:00 PM
3° / 12°
3° / 12°
Mainly Clear
54% 44 km/h

30 Day Averages and Extremes

  • Average high 13.13°C
  • Average low 5.07°C
  • Hottest day 18°C (12 June 2026)
  • Coldest day 0°C (28 June 2026)
  • Average humidity 66.4%
  • Days with precipitation 16 days
  • Highest precipitation 56 mm (07 June 2026)

Yesterday's Data

  • Max: 15°C
  • Min: 7°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 cool weather in San Luis, with temperatures between 10ºC to 13ºC (50.0ºF to 55.4ºF), you should consider wearing:
- Casual shoes or sneakers
- Light scarf or wrap
- Light jacket or cardigan
- Cotton socks

Temperature

Early
4°C / 7°C
Morning
-1°C / 6°C
Afternoon
3°C / 11°C
Evening
4°C / 12°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 441
  • CO 105
  • NH3 0
  • NO2 0
  • O3 63
  • PM10 2
  • PM25 1
  • SO2 2
  • CH4 1,310

Sunrise / Sunset

11:28
21:25