San Luis Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 61°F Lo 47°F | Hi 60°F Lo 47°F | Hi 60°F Lo 47°F | Hi 60°F Lo 48°F | Hi 60°F Lo 47°F | Hi 58°F Lo 46°F | Hi 58°F Lo 45°F | Hi 59°F Lo 44°F | Hi 61°F Lo 45°F | Hi 61°F Lo 46°F | Hi 61°F Lo 48°F | Hi 60°F Lo 47°F |
| 3 mph | 3 mph | 3 mph | 3 mph | 4 mph | 4 mph | 5 mph | 5 mph | 5 mph | 3 mph | 3 mph | 3 mph |
| 10.9 in | 11.9 in | 13 in | 13.2 in | 11.2 in | 10.1 in | 9.7 in | 5.9 in | 4.9 in | 10.4 in | 14 in | 13 in |
| 85% | 87% | 87% | 87% | 87% | 85% | 84% | 80% | 79% | 84% | 87% | 86% |
| 63% | 66% | 65% | 66% | 67% | 66% | 66% | 54% | 50% | 58% | 64% | 63% |
| 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in |
| 9 | 6 | 6 | 5 | 7 | 8 | 10 | 14 | 14 | 8 | 5 | 8 |
| 22 | 23 | 25 | 25 | 24 | 22 | 21 | 17 | 16 | 23 | 25 | 23 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3 | 3 | 2 | 2 | 3 | 3 | 3 | 2 | 2 | 1 | 3 | 3 |
| 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| 59 | 39 | 44 | 36 | 40 | 42 | 46 | 93 | 112 | 68 | 49 | 54 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 16°C Lo 8°C | Hi 16°C Lo 9°C | Hi 16°C Lo 9°C | Hi 16°C Lo 9°C | Hi 15°C Lo 8°C | Hi 15°C Lo 8°C | Hi 14°C Lo 7°C | Hi 15°C Lo 7°C | Hi 16°C Lo 7°C | Hi 16°C Lo 8°C | Hi 16°C Lo 9°C | Hi 16°C Lo 8°C |
| 5 km/h | 5 km/h | 5 km/h | 5 km/h | 6 km/h | 7 km/h | 8 km/h | 8 km/h | 8 km/h | 5 km/h | 4 km/h | 5 km/h |
| 277 mm | 303 mm | 331 mm | 334 mm | 285 mm | 255 mm | 246 mm | 149 mm | 125 mm | 263 mm | 356 mm | 331 mm |
| 85% | 87% | 87% | 87% | 87% | 85% | 84% | 80% | 79% | 84% | 87% | 86% |
| 63% | 66% | 65% | 66% | 67% | 66% | 66% | 54% | 50% | 58% | 64% | 63% |
| 1014 mb | 1014 mb | 1014 mb | 1015 mb | 1016 mb | 1016 mb | 1017 mb | 1016 mb | 1016 mb | 1014 mb | 1014 mb | 1014 mb |
| 9 | 6 | 6 | 5 | 7 | 8 | 10 | 14 | 14 | 8 | 5 | 8 |
| 22 | 23 | 25 | 25 | 24 | 22 | 21 | 17 | 16 | 23 | 25 | 23 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3 | 3 | 2 | 2 | 3 | 3 | 3 | 2 | 2 | 1 | 3 | 3 |
| 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| 59 | 39 | 44 | 36 | 40 | 42 | 46 | 93 | 112 | 68 | 49 | 54 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.
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