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Simi Valley, California Weather Summary
December,
2013
| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| 22 | 23 | 24 | 25 | 26 | 27 | 28 |
| 29 | 30 | 31 |
| Extremes | Average | Normal | ||
| High Temperature: | 82.4°F (28.0°C) | at 1:42PM Dec 17 | 67.5°F (19.7°C) | 65°F (19°C) |
| Low Temperature: | 35.8°F (2.1°C) | at 3:42AM Dec 7 | 49.5°F (9.7°C) | 47°F (8°C) |
| Month Average: | 57.8°F (14.3°C) | for 31 days | ||
| Normal Average: | 56°F (13°C) | |||
| Precipitation: | 0.35" (8.8 mm) | |||
| Date | High | Low | Average | Precipitation |
| December 1 | 75.5°F(24.2°C) | 60.8°F(16.0°C) | 67.2°F(19.5°C) | 0.00"(0.0 mm) |
| December 2 | 73.5°F(23.0°C) | 49.5°F(9.7°C) | 59.9°F(15.5°C) | 0.00"(0.0 mm) |
| December 3 | 65.8°F(18.8°C) | 46.4°F(8.0°C) | 54.5°F(12.5°C) | 0.00"(0.0 mm) |
| December 4 | 59.3°F(15.2°C) | 42.9°F(6.1°C) | 49.8°F(9.9°C) | 0.00"(0.0 mm) |
| December 5 | 56.6°F(13.7°C) | 38.5°F(3.6°C) | 47.1°F(8.4°C) | 0.00"(0.0 mm) |
| December 6 | 55.3°F(12.9°C) | 36.3°F(2.4°C) | 44.9°F(7.2°C) | 0.00"(0.0 mm) |
| December 7 | 53.4°F(11.9°C) | 35.8°F(2.1°C) | 43.8°F(6.5°C) | 0.30"(7.6 mm) |
| December 8 | 53.6°F(12.0°C) | 36.7°F(2.6°C) | 44.9°F(7.2°C) | 0.00"(0.0 mm) |
| December 9 | 51.8°F(11.0°C) | 40.7°F(4.8°C) | 46.0°F(7.8°C) | 0.00"(0.0 mm) |
| December 10 | 59.4°F(15.2°C) | 44.7°F(7.1°C) | 51.2°F(10.7°C) | 0.00"(0.0 mm) |
| December 11 | 65.8°F(18.8°C) | 52.1°F(11.2°C) | 57.6°F(14.2°C) | 0.00"(0.0 mm) |
| December 12 | 70.1°F(21.2°C) | 44.6°F(7.0°C) | 57.6°F(14.2°C) | 0.00"(0.0 mm) |
| December 13 | 63.8°F(17.7°C) | 39.8°F(4.3°C) | 51.4°F(10.8°C) | 0.00"(0.0 mm) |
| December 14 | 69.0°F(20.6°C) | 54.4°F(12.5°C) | 62.9°F(17.2°C) | 0.00"(0.0 mm) |
| December 15 | 73.6°F(23.1°C) | 60.5°F(15.9°C) | 66.4°F(19.1°C) | 0.00"(0.0 mm) |
| December 16 | 80.2°F(26.8°C) | 67.0°F(19.4°C) | 72.3°F(22.4°C) | 0.00"(0.0 mm) |
| December 17 | 82.4°F(28.0°C) | 64.5°F(18.0°C) | 73.3°F(23.0°C) | 0.00"(0.0 mm) |
| December 18 | 71.2°F(21.8°C) | 52.8°F(11.5°C) | 61.2°F(16.2°C) | 0.00"(0.0 mm) |
| December 19 | 55.7°F(13.2°C) | 46.9°F(8.3°C) | 51.6°F(10.9°C) | 0.05"(1.2 mm) |
| December 20 | 63.0°F(17.2°C) | 43.3°F(6.3°C) | 52.6°F(11.4°C) | 0.00"(0.0 mm) |
| December 21 | 61.1°F(16.2°C) | 41.1°F(5.1°C) | 49.4°F(9.7°C) | 0.00"(0.0 mm) |
| December 22 | 69.5°F(20.8°C) | 40.6°F(4.8°C) | 52.1°F(11.2°C) | 0.00"(0.0 mm) |
| December 23 | 71.6°F(22.0°C) | 56.0°F(13.4°C) | 63.9°F(17.7°C) | 0.00"(0.0 mm) |
| December 24 | 76.2°F(24.6°C) | 62.6°F(17.0°C) | 67.8°F(19.9°C) | 0.00"(0.0 mm) |
| December 25 | 73.2°F(22.9°C) | 64.2°F(17.9°C) | 67.7°F(19.8°C) | 0.00"(0.0 mm) |
| December 26 | 74.6°F(23.7°C) | 63.3°F(17.4°C) | 68.0°F(20.0°C) | 0.00"(0.0 mm) |
| December 27 | 79.8°F(26.6°C) | 56.8°F(13.8°C) | 68.9°F(20.5°C) | 0.00"(0.0 mm) |
| December 28 | 75.0°F(23.9°C) | 50.0°F(10.0°C) | 60.5°F(15.8°C) | 0.00"(0.0 mm) |
| December 29 | 70.3°F(21.3°C) | 52.9°F(11.6°C) | 62.7°F(17.0°C) | 0.00"(0.0 mm) |
| December 30 | 73.0°F(22.8°C) | 46.0°F(7.8°C) | 59.8°F(15.5°C) | 0.00"(0.0 mm) |
| December 31 | 70.3°F(21.3°C) | 42.0°F(5.6°C) | 54.7°F(12.6°C) | 0.00"(0.0 mm) |