Last updated: June 24, 2025
In August, the average temperature in San Luis, United States hovers around 17°C (63°F), with minimums dipping to 6°C (43°F) and peak highs reaching up to 29°C (84°F). Expect about 45 mm (1.8 in) of precipitation spread over 8 days, contributing to an average humidity level of 61%.
In August in San Luis, the average temperature is 17°C (63°F). The maximum can reach 29°C (84°F), while the minimum can be as low as 6°C (43°F). This pleasant weather makes San Luis an ideal destination for exploring outdoor activities and enjoying the local scenery.
In San Luis in August, the precipitation amount is 45 mm (1.8 in) over the course of 8 days.
In San Luis in August, humidity is 61%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace that's slightly muggy, making it a bit uncomfortable for long walks or outdoor sightseeing, but still pleasant enough for leisurely explorations.
In San Luis in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in San Luis.
UV Risk Categories
Weather in San Luis varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in San Luis, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 23 mm (0.9 inches) | 84% | moderate |
| February Weather | -4°C (25°F) | 25 mm (1.0 inches) | 84% | high |
| March Weather | 1°C (34°F) | 37 mm (1.5 inches) | 74% | very high |
| April Weather | 5°C (42°F) | 35 mm (1.4 inches) | 68% | extreme |
| May Weather | 10°C (51°F) | 42 mm (1.6 inches) | 62% | extreme |
| June Weather | 16°C (62°F) | 28 mm (1.1 inches) | 55% | extreme |
| July Weather | 18°C (65°F) | 71 mm (2.8 inches) | 54% | extreme |
| August Weather | 17°C (63°F) | 45 mm (1.8 inches) | 61% | extreme |
| September Weather | 14°C (57°F) | 31 mm (1.2 inches) | 70% | extreme |
| October Weather | 7°C (45°F) | 27 mm (1.1 inches) | 78% | very high |
| November Weather | 2°C (35°F) | 17 mm (0.7 inches) | 81% | moderate |
| December Weather | -4°C (25°F) | 23 mm (0.9 inches) | 85% | moderate |