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San Bernardino, California Weather Summary
May,
2015
| 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: | 92.3°F (33.5°C) | at 2:43PM May 30 | 74.6°F (23.7°C) | 80°F (26°C) |
| Low Temperature: | 46.0°F (7.8°C) | at 5:43AM May 8 | 55.7°F (13.2°C) | 57°F (14°C) |
| Month Average: | 64.0°F (17.8°C) | for 31 days | ||
| Normal Average: | 67°F (20°C) | |||
| Precipitation: | 0.89" (22.6 mm) | |||
| Date | High | Low | Average | Precipitation |
| May 1 | 91.0°F(32.8°C) | 62.7°F(17.1°C) | 77.9°F(25.5°C) | 0.00"(0.0 mm) |
| May 2 | 87.8°F(31.0°C) | 61.3°F(16.3°C) | 74.9°F(23.9°C) | 0.00"(0.0 mm) |
| May 3 | 78.0°F(25.6°C) | 56.3°F(13.5°C) | 65.6°F(18.7°C) | 0.00"(0.0 mm) |
| May 4 | 74.8°F(23.8°C) | 55.4°F(13.0°C) | 62.3°F(16.9°C) | 0.00"(0.0 mm) |
| May 5 | 70.2°F(21.2°C) | 55.9°F(13.3°C) | 61.2°F(16.2°C) | 0.00"(0.0 mm) |
| May 6 | 66.9°F(19.4°C) | 55.1°F(12.8°C) | 59.7°F(15.4°C) | 0.00"(0.0 mm) |
| May 7 | 64.2°F(17.9°C) | 49.6°F(9.8°C) | 57.8°F(14.3°C) | 0.06"(1.5 mm) |
| May 8 | 60.2°F(15.6°C) | 46.0°F(7.8°C) | 53.8°F(12.1°C) | 0.42"(10.6 mm) |
| May 9 | 65.3°F(18.5°C) | 54.3°F(12.4°C) | 59.2°F(15.1°C) | 0.00"(0.0 mm) |
| May 10 | 82.2°F(27.9°C) | 50.6°F(10.3°C) | 66.1°F(19.0°C) | 0.00"(0.0 mm) |
| May 11 | 84.3°F(29.1°C) | 57.1°F(14.0°C) | 71.0°F(21.7°C) | 0.00"(0.0 mm) |
| May 12 | 77.8°F(25.5°C) | 56.9°F(13.8°C) | 65.0°F(18.3°C) | 0.00"(0.0 mm) |
| May 13 | 72.4°F(22.5°C) | 53.0°F(11.7°C) | 61.6°F(16.4°C) | 0.00"(0.0 mm) |
| May 14 | 63.1°F(17.3°C) | 51.3°F(10.7°C) | 56.3°F(13.5°C) | 0.39"(9.9 mm) |
| May 15 | 64.0°F(17.8°C) | 52.0°F(11.1°C) | 56.8°F(13.8°C) | 0.02"(0.5 mm) |
| May 16 | 68.2°F(20.1°C) | 53.1°F(11.7°C) | 60.4°F(15.8°C) | 0.00"(0.0 mm) |
| May 17 | 74.4°F(23.5°C) | 54.4°F(12.4°C) | 62.9°F(17.1°C) | 0.00"(0.0 mm) |
| May 18 | 69.7°F(21.0°C) | 56.8°F(13.8°C) | 61.5°F(16.4°C) | 0.00"(0.0 mm) |
| May 19 | 73.0°F(22.8°C) | 56.7°F(13.7°C) | 63.0°F(17.2°C) | 0.00"(0.0 mm) |
| May 20 | 75.7°F(24.3°C) | 55.3°F(12.9°C) | 63.5°F(17.5°C) | 0.00"(0.0 mm) |
| May 21 | 68.1°F(20.1°C) | 57.5°F(14.2°C) | 61.3°F(16.3°C) | 0.00"(0.0 mm) |
| May 22 | 62.3°F(16.8°C) | 54.7°F(12.6°C) | 57.6°F(14.2°C) | 0.00"(0.0 mm) |
| May 23 | 65.5°F(18.6°C) | 55.2°F(12.9°C) | 60.2°F(15.7°C) | 0.00"(0.0 mm) |
| May 24 | 69.1°F(20.6°C) | 57.8°F(14.4°C) | 62.2°F(16.8°C) | 0.00"(0.0 mm) |
| May 25 | 73.7°F(23.2°C) | 54.9°F(12.7°C) | 62.8°F(17.1°C) | 0.00"(0.0 mm) |
| May 26 | 77.7°F(25.4°C) | 59.1°F(15.1°C) | 65.2°F(18.4°C) | 0.00"(0.0 mm) |
| May 27 | 80.2°F(26.8°C) | 58.6°F(14.8°C) | 66.2°F(19.0°C) | 0.00"(0.0 mm) |
| May 28 | 86.7°F(30.4°C) | 55.7°F(13.2°C) | 69.3°F(20.7°C) | 0.00"(0.0 mm) |
| May 29 | 90.2°F(32.4°C) | 57.8°F(14.4°C) | 73.2°F(22.9°C) | 0.00"(0.0 mm) |
| May 30 | 92.3°F(33.5°C) | 61.3°F(16.3°C) | 75.5°F(24.1°C) | 0.00"(0.0 mm) |
| May 31 | 84.6°F(29.2°C) | 59.4°F(15.2°C) | 71.4°F(21.9°C) | 0.00"(0.0 mm) |