Currently
81°F
in Simi Valley, California, USA
89°F / 58°F
9 mph W
0.00"
Saturday, July 5, 2025 2:39 PM PDT
Simi Valley
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Use °C/Metric
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Simi Valley, California Climate Summary
Click on the month for hour-by-hour statistics for a typical day.
| Month | High | Low | Average | Precipitation |
| January | 66.4°F (19.1°C) | 47.8°F (8.8°C) | 56.7°F (13.7°C) | 2.31" (58.7 mm) |
| February | 67.9°F (19.9°C) | 46.6°F (8.1°C) | 56.4°F (13.6°C) | 2.59" (65.6 mm) |
| March | 69.2°F (20.7°C) | 47.6°F (8.7°C) | 57.4°F (14.1°C) | 2.84" (72.2 mm) |
| April | 74.1°F (23.4°C) | 50.5°F (10.3°C) | 61.4°F (16.3°C) | 0.57" (14.6 mm) |
| May | 75.1°F (23.9°C) | 52.9°F (11.6°C) | 63.3°F (17.4°C) | 0.29" (7.3 mm) |
| June | 81.2°F (27.3°C) | 57.4°F (14.1°C) | 68.7°F (20.4°C) | 0.02" (0.4 mm) |
| July | 86.8°F (30.5°C) | 61.3°F (16.3°C) | 73.5°F (23.0°C) | 0.09" (2.1 mm) |
| August | 88.6°F (31.4°C) | 61.9°F (16.6°C) | 74.3°F (23.5°C) | 0.29" (7.4 mm) |
| September | 86.8°F (30.4°C) | 60.6°F (15.9°C) | 72.2°F (22.3°C) | 0.12" (3.0 mm) |
| October | 81.1°F (27.3°C) | 56.1°F (13.4°C) | 67.2°F (19.5°C) | 0.29" (7.3 mm) |
| November | 72.7°F (22.6°C) | 51.0°F (10.6°C) | 61.0°F (16.1°C) | 0.75" (19.1 mm) |
| December | 65.5°F (18.6°C) | 46.8°F (8.2°C) | 55.6°F (13.1°C) | 2.67" (67.8 mm) |