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Simi Valley, California Weather Summary
December,
2022
| 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: | 80.3°F (26.8°C) | at 2:26PM Dec 25 | 62.5°F (17.0°C) | 65°F (19°C) |
| Low Temperature: | 34.6°F (1.4°C) | at 6:44AM Dec 14 | 46.1°F (7.8°C) | 47°F (8°C) |
| Month Average: | 53.7°F (12.1°C) | for 31 days | ||
| Normal Average: | 56°F (13°C) | |||
| Precipitation: | 4.20" (106.6 mm) | |||
| Date | High | Low | Average | Precipitation |
| December 1 | 54.8°F(12.7°C) | 50.5°F(10.3°C) | 52.1°F(11.2°C) | 0.07"(1.7 mm) |
| December 2 | 55.3°F(13.0°C) | 49.9°F(10.0°C) | 53.0°F(11.7°C) | 0.48"(12.1 mm) |
| December 3 | 68.4°F(20.2°C) | 48.9°F(9.4°C) | 56.9°F(13.8°C) | 0.01"(0.2 mm) |
| December 4 | 58.1°F(14.5°C) | 52.1°F(11.2°C) | 55.2°F(12.9°C) | 0.16"(4.0 mm) |
| December 5 | 61.0°F(16.1°C) | 45.2°F(7.3°C) | 53.4°F(11.9°C) | 0.13"(3.3 mm) |
| December 6 | 59.4°F(15.2°C) | 43.7°F(6.5°C) | 50.1°F(10.0°C) | 0.00"(0.0 mm) |
| December 7 | 59.1°F(15.1°C) | 41.3°F(5.1°C) | 48.6°F(9.2°C) | 0.00"(0.0 mm) |
| December 8 | 60.5°F(15.8°C) | 37.3°F(3.0°C) | 47.1°F(8.4°C) | 0.00"(0.0 mm) |
| December 9 | 60.8°F(16.0°C) | 37.4°F(3.0°C) | 47.8°F(8.8°C) | 0.00"(0.0 mm) |
| December 10 | 55.7°F(13.2°C) | 43.4°F(6.3°C) | 50.9°F(10.5°C) | 0.09"(2.2 mm) |
| December 11 | 55.0°F(12.8°C) | 38.5°F(3.6°C) | 50.2°F(10.1°C) | 1.20"(30.4 mm) |
| December 12 | 53.5°F(11.9°C) | 38.1°F(3.4°C) | 45.5°F(7.5°C) | 0.27"(6.8 mm) |
| December 13 | 59.5°F(15.3°C) | 37.9°F(3.3°C) | 46.2°F(7.9°C) | 0.00"(0.0 mm) |
| December 14 | 60.8°F(16.0°C) | 34.6°F(1.4°C) | 45.6°F(7.5°C) | 0.00"(0.0 mm) |
| December 15 | 60.0°F(15.5°C) | 38.5°F(3.6°C) | 50.8°F(10.4°C) | 0.00"(0.0 mm) |
| December 16 | 62.2°F(16.8°C) | 51.8°F(11.0°C) | 55.8°F(13.2°C) | 0.00"(0.0 mm) |
| December 17 | 62.6°F(17.0°C) | 49.1°F(9.5°C) | 53.4°F(11.9°C) | 0.00"(0.0 mm) |
| December 18 | 61.9°F(16.6°C) | 38.3°F(3.5°C) | 49.8°F(9.9°C) | 0.00"(0.0 mm) |
| December 19 | 64.9°F(18.3°C) | 35.3°F(1.8°C) | 47.8°F(8.8°C) | 0.00"(0.0 mm) |
| December 20 | 66.1°F(19.0°C) | 40.6°F(4.8°C) | 52.9°F(11.6°C) | 0.00"(0.0 mm) |
| December 21 | 73.2°F(22.9°C) | 52.1°F(11.2°C) | 61.2°F(16.2°C) | 0.00"(0.0 mm) |
| December 22 | 70.0°F(21.1°C) | 48.6°F(9.2°C) | 57.3°F(14.1°C) | 0.00"(0.0 mm) |
| December 23 | 69.6°F(20.9°C) | 43.8°F(6.5°C) | 56.5°F(13.6°C) | 0.00"(0.0 mm) |
| December 24 | 75.3°F(24.0°C) | 55.7°F(13.2°C) | 66.3°F(19.1°C) | 0.00"(0.0 mm) |
| December 25 | 80.3°F(26.8°C) | 65.8°F(18.8°C) | 70.8°F(21.6°C) | 0.00"(0.0 mm) |
| December 26 | 78.3°F(25.7°C) | 55.2°F(12.9°C) | 67.4°F(19.7°C) | 0.00"(0.0 mm) |
| December 27 | 61.9°F(16.6°C) | 52.3°F(11.3°C) | 56.1°F(13.4°C) | 0.57"(14.4 mm) |
| December 28 | 62.5°F(17.0°C) | 46.3°F(8.0°C) | 54.6°F(12.6°C) | 0.00"(0.0 mm) |
| December 29 | 54.6°F(12.6°C) | 51.3°F(10.7°C) | 52.9°F(11.6°C) | 0.03"(0.7 mm) |
| December 30 | 56.4°F(13.6°C) | 52.1°F(11.2°C) | 54.1°F(12.3°C) | 0.11"(2.7 mm) |
| December 31 | 57.1°F(13.9°C) | 53.9°F(12.2°C) | 55.4°F(13.0°C) | 1.08"(27.4 mm) |