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San Luis, United States Snapshot 2026
Where is San Luis?
San Luis, United States
- Continent
- Americas
- Country
- United States
- City
- San Luis
- Population
- 31.5K
- Elevation
- 40 m
- Coordinates
- 32.49°, -114.78°
San Luis is a city in United States with a population of approximately 31.5K. Average temperatures range from 8°C (47°F) in January to 43°C (109°F) in July. The best time to visit is March, April, May, October, November.
Time in San Luis right now
Open full time & time zone page 21:08 08
Monday, June 15, 2026
IANA time zone
America/Phoenix
Daylight saving
No DST
Next DST change
—
Live weather in San Luis
Daylight in San Luis today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 16m
Climate normals for San Luis
Long-term monthly averages based on historical data.
January
Good 
February
Excellent March best
Excellent April best
Excellent May best
Excellent June
Fair July
Poor August
Poor September
Fair October best
Excellent November best
Excellent December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 21°C / 8°C | 17°C / 5°C | 1days (10 mm) Excellent | 9h Good | 39% Comfortable | 4.2 Moderate | Good | View Details |
| February | 24°C / 10°C | 20°C / 7°C | 2days (9 mm) Excellent | 9.7h Good | 34% Comfortable | 5.4 High | Excellent | View Details |
| March best | 27°C / 12°C | 24°C / 9°C | 1days (11 mm) Excellent | 10.8h Excellent | 32% Comfortable | 6.8 High | Excellent | View Details |
| April best | 32°C / 16°C | 30°C / 13°C | 1days (2 mm) Excellent | 12h Excellent | 26% Comfortable | 8 Very High | Excellent | View Details |
| May best | 35°C / 19°C | 33°C / 17°C | 0days (1 mm) Excellent | 12.8h Excellent | 28% Comfortable | 8.6 Very High | Excellent | View Details |
| June | 41°C / 24°C | 40°C / 23°C | 0days (0 mm) Excellent | 13.2h Excellent | 28% Comfortable | 8.8 Very High | Fair | View Details |
| July | 43°C / 28°C | 43°C / 30°C | 1days (4 mm) Excellent | 12.9h Excellent | 34% Comfortable | 8.9 Very High | Poor | View Details |
| August | 42°C / 29°C | 43°C / 31°C | 2days (8 mm) Excellent | 12.3h Excellent | 38% Comfortable | 8.4 Very High | Poor | View Details |
| September | 39°C / 25°C | 39°C / 26°C | 2days (17 mm) Excellent | 11.1h Excellent | 38% Comfortable | 7.6 Very High | Fair | View Details |
| October best | 33°C / 19°C | 31°C / 17°C | 1days (4 mm) Excellent | 10.4h Excellent | 31% Comfortable | 6.2 High | Excellent | View Details |
| November best | 26°C / 13°C | 23°C / 10°C | 1days (7 mm) Excellent | 9.2h Good | 32% Comfortable | 4.6 Moderate | Excellent | View Details |
| December | 21°C / 9°C | 18°C / 6°C | 2days (11 mm) Excellent | 8.5h Good | 39% Comfortable | 3.9 Moderate | Good | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 21°C / 8°C . Feb: 24°C / 10°C . Mar: 27°C / 12°C . Apr: 32°C / 16°C . May: 35°C / 19°C . Jun: 41°C / 24°C . Jul: 43°C / 28°C . Aug: 42°C / 29°C . Sep: 39°C / 25°C . Oct: 33°C / 19°C . Nov: 26°C / 13°C . Dec: 21°C / 9°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 10 mm. Feb: 9 mm. Mar: 11 mm. Apr: 2 mm. May: 1 mm. Jun: 0 mm. Jul: 4 mm. Aug: 8 mm. Sep: 17 mm. Oct: 4 mm. Nov: 7 mm. Dec: 11 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 39%. Feb: 34%. Mar: 32%. Apr: 26%. May: 28%. Jun: 28%. Jul: 34%. Aug: 38%. Sep: 38%. Oct: 31%. Nov: 32%. Dec: 39%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 16 km/h . Feb: 17 km/h . Mar: 18 km/h . Apr: 18 km/h . May: 17 km/h . Jun: 17 km/h . Jul: 19 km/h . Aug: 18 km/h . Sep: 15 km/h . Oct: 15 km/h . Nov: 14 km/h . Dec: 15 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 5. Mar: UV 7. Apr: UV 8. May: UV 9. Jun: UV 9. Jul: UV 9. Aug: UV 8. Sep: UV 8. Oct: UV 6. Nov: UV 5. Dec: UV 4.
Frequently Asked Questions
San Luis has a population of approximately 31.5K.
The best months to visit San Luis are March, April, May, October, November, when temperatures are pleasant and rainfall is lower.
San Luis receives approximately 84mm of rainfall annually across 14 rainy days.
San Luis is located in United States, in the Americas region.
San Luis sits at an elevation of 40 m (131 ft) above sea level.