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:
15°C
59.0°F
°C °F

Condition: Overcast

Pressure: 935 hPa

Feel like: 11 °C

Temperature: 15°C

Cloud: 85%

Humidity: 45%

Wind: NNW - 16 km/h

Visibility: 63.86 km

Weather forecast

Sat
20 Jun
6°C / 14°C
Overcast
Sun
21 Jun
5°C / 12°C
Drizzle
Mon
22 Jun
2°C / 9°C
Clear Sky
Tue
23 Jun
2°C / 10°C
Mainly Clear
Wed
24 Jun
1°C / 15°C
Overcast
Hourly forecast today:
19:00 PM
4° / 15°
4° / 15°
Overcast
45% 35 km/h
20:00 PM
4° / 15°
4° / 15°
Partly Cloudy
50% 33 km/h
21:00 PM
5° / 13°
5° / 13°
Partly Cloudy
60% 25 km/h
22:00 PM
5° / 11°
5° / 11°
Partly Cloudy
69% 16 km/h
23:00 PM
5° / 9°
5° / 9°
Overcast
74% 14 km/h
00:00 AM
5° / 8°
5° / 8°
Partly Cloudy
79% 12 km/h
01:00 AM
4° / 8°
4° / 8°
Partly Cloudy
76% 10 km/h
02:00 AM
3° / 8°
3° / 8°
Mainly Clear
73% 6 km/h
03:00 AM
2° / 8°
2° / 8°
Partly Cloudy
69% 9 km/h
04:00 AM
2° / 7°
2° / 7°
Overcast
67% 9 km/h
05:00 AM
1° / 7°
1° / 7°
Overcast
64% 8 km/h

30 Day Averages and Extremes

  • Average high 14.03°C
  • Average low 5.7°C
  • Hottest day 20°C (25 June 2026)
  • Coldest day 1°C (24 June 2026)
  • Average humidity 67.4%
  • Days with precipitation 13 days
  • Highest precipitation 56 mm (07 June 2026)

Yesterday's Data

  • Max: 12°C
  • Min: 6°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:
- Sun hat (if spending time outdoors)
- Scarf (optional)
- Long-sleeve shirt or blouse
- Lightweight sweater or cardigan

Temperature

Early
0°C / 8°C
Morning
1°C / 8°C
Afternoon
3°C / 13°C
Evening
5°C / 13°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 439
  • CO 119
  • NH3 0
  • NO2 1
  • O3 72
  • PM10 5
  • PM25 4
  • SO2 2
  • CH4 1,314

Sunrise / Sunset

11:28
21:25