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Simi Valley, California Weather Summary
March,
2021
| 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: | 84.4°F (29.1°C) | at 2:13PM Mar 28 | 67.8°F (19.9°C) | 69°F (21°C) |
| Low Temperature: | 34.3°F (1.3°C) | at 7:01AM Mar 16 | 43.9°F (6.6°C) | 48°F (9°C) |
| Month Average: | 54.7°F (12.6°C) | for 31 days | ||
| Normal Average: | 57°F (14°C) | |||
| Precipitation: | 0.84" (21.3 mm) | |||
| Date | High | Low | Average | Precipitation |
| March 1 | 74.9°F(23.8°C) | 44.7°F(7.1°C) | 59.1°F(15.1°C) | 0.00"(0.0 mm) |
| March 2 | 74.8°F(23.8°C) | 44.1°F(6.7°C) | 58.6°F(14.8°C) | 0.00"(0.0 mm) |
| March 3 | 56.1°F(13.4°C) | 41.0°F(5.0°C) | 47.7°F(8.7°C) | 0.00"(0.0 mm) |
| March 4 | 66.9°F(19.4°C) | 39.4°F(4.1°C) | 51.0°F(10.5°C) | 0.00"(0.0 mm) |
| March 5 | 78.8°F(26.0°C) | 41.3°F(5.2°C) | 57.4°F(14.1°C) | 0.00"(0.0 mm) |
| March 6 | 68.4°F(20.2°C) | 41.7°F(5.4°C) | 53.4°F(11.9°C) | 0.00"(0.0 mm) |
| March 7 | 63.6°F(17.6°C) | 42.4°F(5.8°C) | 52.7°F(11.5°C) | 0.00"(0.0 mm) |
| March 8 | 63.4°F(17.4°C) | 43.1°F(6.1°C) | 54.2°F(12.4°C) | 0.00"(0.0 mm) |
| March 9 | 59.1°F(15.1°C) | 39.3°F(4.0°C) | 49.0°F(9.5°C) | 0.00"(0.0 mm) |
| March 10 | 52.9°F(11.6°C) | 43.3°F(6.3°C) | 47.5°F(8.6°C) | 0.36"(9.1 mm) |
| March 11 | 54.8°F(12.7°C) | 37.6°F(3.1°C) | 44.3°F(6.8°C) | 0.32"(8.1 mm) |
| March 12 | 58.8°F(14.9°C) | 35.5°F(1.9°C) | 45.6°F(7.6°C) | 0.00"(0.0 mm) |
| March 13 | 61.1°F(16.2°C) | 38.2°F(3.4°C) | 49.5°F(9.7°C) | 0.00"(0.0 mm) |
| March 14 | 61.0°F(16.1°C) | 42.4°F(5.8°C) | 50.7°F(10.4°C) | 0.00"(0.0 mm) |
| March 15 | 55.4°F(13.0°C) | 40.5°F(4.7°C) | 48.8°F(9.3°C) | 0.16"(4.0 mm) |
| March 16 | 62.5°F(17.0°C) | 34.3°F(1.3°C) | 46.6°F(8.1°C) | 0.00"(0.0 mm) |
| March 17 | 68.0°F(20.0°C) | 38.5°F(3.6°C) | 50.6°F(10.3°C) | 0.00"(0.0 mm) |
| March 18 | 68.3°F(20.2°C) | 46.5°F(8.1°C) | 54.7°F(12.6°C) | 0.00"(0.0 mm) |
| March 19 | 68.9°F(20.5°C) | 45.2°F(7.3°C) | 55.8°F(13.2°C) | 0.00"(0.0 mm) |
| March 20 | 68.9°F(20.5°C) | 52.3°F(11.3°C) | 57.9°F(14.4°C) | 0.00"(0.0 mm) |
| March 21 | 70.1°F(21.2°C) | 49.4°F(9.7°C) | 57.8°F(14.3°C) | 0.00"(0.0 mm) |
| March 22 | 68.5°F(20.3°C) | 47.8°F(8.8°C) | 58.1°F(14.5°C) | 0.00"(0.0 mm) |
| March 23 | 67.1°F(19.5°C) | 43.1°F(6.2°C) | 55.1°F(12.8°C) | 0.00"(0.0 mm) |
| March 24 | 73.7°F(23.2°C) | 46.2°F(7.9°C) | 57.1°F(14.0°C) | 0.00"(0.0 mm) |
| March 25 | 56.8°F(13.8°C) | 44.3°F(6.8°C) | 50.7°F(10.4°C) | 0.00"(0.0 mm) |
| March 26 | 68.9°F(20.5°C) | 41.8°F(5.4°C) | 52.1°F(11.2°C) | 0.00"(0.0 mm) |
| March 27 | 80.8°F(27.1°C) | 43.1°F(6.2°C) | 59.8°F(15.4°C) | 0.00"(0.0 mm) |
| March 28 | 84.4°F(29.1°C) | 51.1°F(10.6°C) | 66.1°F(18.9°C) | 0.00"(0.0 mm) |
| March 29 | 80.5°F(27.0°C) | 52.2°F(11.2°C) | 65.3°F(18.5°C) | 0.00"(0.0 mm) |
| March 30 | 82.2°F(27.9°C) | 46.3°F(7.9°C) | 64.4°F(18.0°C) | 0.00"(0.0 mm) |
| March 31 | 83.3°F(28.5°C) | 63.7°F(17.6°C) | 72.9°F(22.7°C) | 0.00"(0.0 mm) |