Atascadero Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 61°F Lo 44°F | Hi 62°F Lo 43°F | Hi 64°F Lo 45°F | Hi 69°F Lo 47°F | Hi 74°F Lo 51°F | Hi 80°F Lo 55°F | Hi 85°F Lo 59°F | Hi 85°F Lo 60°F | Hi 84°F Lo 59°F | Hi 77°F Lo 54°F | Hi 67°F Lo 48°F | Hi 60°F Lo 44°F |
| 6 mph | 6 mph | 6 mph | 6 mph | 6 mph | 5 mph | 5 mph | 5 mph | 4 mph | 5 mph | 5 mph | 6 mph |
| 3.6 in | 3.4 in | 3.1 in | 1 in | 0.2 in | 0.1 in | 0 in | 0 in | 0.2 in | 0.7 in | 2.1 in | 3.4 in |
| 65% | 68% | 68% | 63% | 58% | 53% | 51% | 50% | 50% | 51% | 57% | 65% |
| 28% | 31% | 32% | 22% | 15% | 9% | 7% | 6% | 9% | 15% | 23% | 31% |
| 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.1 in | 30.1 in |
| 27 | 24 | 26 | 28 | 30 | 30 | 31 | 31 | 30 | 30 | 27 | 27 |
| 4 | 4 | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 3 | 4 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 3 | 3 | 4 | 5 | 5 | 6 | 6 | 6 | 5 | 4 | 3 | 3 |
| 258 | 222 | 239 | 281 | 308 | 319 | 337 | 360 | 335 | 308 | 274 | 244 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 16°C Lo 6°C | Hi 16°C Lo 6°C | Hi 18°C Lo 7°C | Hi 21°C Lo 8°C | Hi 23°C Lo 10°C | Hi 27°C Lo 13°C | Hi 29°C Lo 15°C | Hi 30°C Lo 16°C | Hi 29°C Lo 15°C | Hi 25°C Lo 12°C | Hi 20°C Lo 9°C | Hi 16°C Lo 6°C |
| 9 km/h | 10 km/h | 9 km/h | 9 km/h | 9 km/h | 9 km/h | 8 km/h | 7 km/h | 7 km/h | 8 km/h | 9 km/h | 9 km/h |
| 90 mm | 86 mm | 79 mm | 26 mm | 6 mm | 2 mm | 1 mm | 0 mm | 5 mm | 17 mm | 53 mm | 87 mm |
| 65% | 68% | 68% | 63% | 58% | 53% | 51% | 50% | 50% | 51% | 57% | 65% |
| 28% | 31% | 32% | 22% | 15% | 9% | 7% | 6% | 9% | 15% | 23% | 31% |
| 1020 mb | 1019 mb | 1018 mb | 1016 mb | 1014 mb | 1013 mb | 1013 mb | 1013 mb | 1013 mb | 1015 mb | 1018 mb | 1019 mb |
| 27 | 24 | 26 | 28 | 30 | 30 | 31 | 31 | 30 | 30 | 27 | 27 |
| 4 | 4 | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 3 | 4 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 3 | 3 | 4 | 5 | 5 | 6 | 6 | 6 | 5 | 4 | 3 | 3 |
| 258 | 222 | 239 | 281 | 308 | 319 | 337 | 360 | 335 | 308 | 274 | 244 |
| 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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