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Temecula, California Climate Summary
Click on the month for hour-by-hour statistics for a typical day.
| Month | High | Low | Average | Precipitation |
| January | 69.4°F (20.8°C) | 40.5°F (4.7°C) | 52.5°F (11.4°C) | 2.79" (70.7 mm) |
| February | 67.8°F (19.9°C) | 42.4°F (5.8°C) | 53.1°F (11.7°C) | 3.64" (92.4 mm) |
| March | 71.3°F (21.8°C) | 44.9°F (7.2°C) | 56.2°F (13.5°C) | 1.11" (28.2 mm) |
| April | 73.1°F (22.8°C) | 47.7°F (8.7°C) | 58.7°F (14.8°C) | 0.92" (23.3 mm) |
| May | 78.7°F (25.9°C) | 53.6°F (12.0°C) | 64.0°F (17.8°C) | 0.26" (6.4 mm) |
| June | 83.6°F (28.6°C) | 56.9°F (13.8°C) | 68.3°F (20.2°C) | 0.02" (0.5 mm) |
| July | 90.7°F (32.6°C) | 61.7°F (16.5°C) | 74.1°F (23.4°C) | 0.08" (1.9 mm) |
| August | 91.4°F (33.0°C) | 61.9°F (16.6°C) | 74.3°F (23.5°C) | 0.06" (1.6 mm) |
| September | 89.7°F (32.0°C) | 58.9°F (15.0°C) | 71.7°F (22.0°C) | 0.07" (1.7 mm) |
| October | 81.8°F (27.7°C) | 52.7°F (11.5°C) | 64.6°F (18.1°C) | 0.85" (21.6 mm) |
| November | 75.7°F (24.3°C) | 45.2°F (7.3°C) | 57.7°F (14.3°C) | 1.26" (32.1 mm) |
| December | 68.8°F (20.4°C) | 39.5°F (4.2°C) | 51.7°F (10.9°C) | 2.16" (54.8 mm) |